Glossary / E
Psychology terms starting with E
1,292 terms with short definitions. Study these as flashcards
- Eother
- In statistics, this symbol stands for the average result expected over many repeated trials.
- E trisomynoun
- An older name for trisomy 18 describes an extra chromosome 18 copy that affects growth and development.
- e-therapynoun
- Psychological therapy is delivered through internet communication, such as video sessions or written messages.
- EAabbreviation
- Educational age indicates the age at which students typically show a given level of school achievement.
- EAHCAabbreviation
- A 1975 American law required public schools to provide appropriate education for students with disabilities in settings limiting unnecessary separation.
- EAPabbreviation
- A workplace program that gives employees short-term help for personal or job-related problems.
- earnoun
- The body part that detects sound and helps keep balance by sending signals to the brain.
- ear canalnoun
- A passage in the outer ear carries incoming sound toward the eardrum.
- ear ossiclesnoun
- Three tiny middle-ear bones pass vibrations from the eardrum toward the fluid-filled inner ear.
- eardrumnoun
- A thin membrane between the outer and middle ear vibrates with sound and moves nearby hearing bones.
- Early and Periodic Screening, Diagnosis, and Treatment (EPSDT)noun
- A U.S. Medicaid benefit provides regular health checks, diagnosis, and needed treatment for eligible children and young people.
- early bilingualismnoun
- A child develops two languages during early childhood, either together or with one introduced soon after the other.
- early detectionphrase
- Finding an illness at an early stage, before clear symptoms or full damage appear.
- early experiencephrase
- Events and relationships in the first five years can strongly shape later thinking, feelings, and social behavior.
- early immersionnoun
- A school program begins in kindergarten or first grade and teaches subjects through a new language across elementary school.
- early infantile autismnoun
- A historical autism label described early developmental differences in social communication, focused interests, and repetitive patterns of behavior.
- early interventionphrase
- Special help for babies and toddlers at risk aims to reduce developmental delays and support families early.
- early memoryphrase
- Adult recall of childhood events usually reaches back only to around age three.
- Early Years Cognitive Batterynoun
- A set of tasks within the Differential Ability Scales assesses thinking abilities in younger children.
- Early Years of Marriage Project (EYM Project)noun
- Researchers began tracking American newlyweds in 1986 to investigate marital happiness and divorce, comparing couples identified as Black or White.
- early-morning awakening insomnianoun
- A recurring sleep problem involves waking too early, still feeling unrested, and being unable to resume sleep.
- early-onset Alzheimer’s diseasenoun
- Alzheimer's disease begins before age 65, progressively affecting memory, thinking, and everyday functioning.
- early-selection theorynoun
- An attention theory proposes that information is selected before identification, limiting meaning processing for unattended input.
- earwaxnoun
- A waxy substance naturally collects in the passage leading into the ear.
- ease-of-learning judgmentnoun
- Before studying, a person estimates how easily they will learn and remember particular information.
- Easterbrook hypothesisnoun
- A proposed explanation suggests that greater arousal narrows attention, so a person notices fewer surrounding cues.
- eating aidnoun
- An adapted tool helps a person with a disability eat more independently.
- eating compulsionnoun
- A powerful urge to eat feels difficult to resist and may contribute to distressing eating patterns.
- eating disorderphrase
- A mental disorder where unhealthy thoughts and behaviors about food or eating seriously harm health or daily life.
- Eating Disorders Awareness and Prevention, Inc.noun
- A former nonprofit focused on eating disorders merged with another organization in 2001 to form the National Eating Disorders Association.
- Ebbinghaus curvenoun
- A graph shows memory retention often falling quickly after learning, then declining more slowly as time passes.
- Ebbinghaus illusionnoun
- Equal circles appear different in size when one is surrounded by larger circles and the other by smaller circles.
- Ebonicsnoun
- An alternative name for African American English describes a language variety with its own consistent grammatical and pronunciation patterns.
- EBPabbreviation
- Evidence-based practice combines strong research findings, professional skill, and a person's needs, culture, and preferences to guide care.
- EBVabbreviation
- Epstein–Barr virus is a common herpes virus that can cause infectious mononucleosis, especially in adolescents and young adults.
- ECA Surveyabbreviation
- The Epidemiologic Catchment Area Survey studied U.S. mental disorder frequency and mental health service use during the 1980s.
- eCBabbreviation
- An endogenous cannabinoid is a body-made chemical messenger that helps regulate nerve signaling, mood, memory, appetite, and other functions.
- eccentric projectionnoun
- A sensation seems located outside the body, rather than at the sensory receptors that detect it.
- eccyesisnoun
- An embryo implants somewhere beyond the uterine cavity, usually inside a fallopian tube.
- ECFabbreviation
- An extended care facility provides residential nursing support around the clock and rehabilitation, often after a hospital stay.
- ECGabbreviation
- An electrocardiogram records the heart's electrical activity as a line of waves using sensors placed on the body.
- echinaceanoun
- An herbal preparation from coneflower plants is used for colds, although evidence for its benefits is mixed.
- echonoun
- A repeated or mirrored message or feeling that comes back from other people or groups.
- echocardiographynoun
- An ultrasound test that makes pictures of the heart's parts and movement while it beats.
- echoencephalographynoun
- This brain imaging method uses returning ultrasound signals to reveal structures inside the skull.
- echographianoun
- A writing disturbance involves copying written words or phrases without grasping their meaning.
- echoic memoryphrase
- Keeps heard sounds in mind for about two to three seconds after they stop.
- echolalianoun
- Repeating another person's words right after hearing them, often seen in autism or some brain disorders.
- echolocationnoun
- People and other animals can locate objects by interpreting sounds that bounce back from them.
- echophrasianoun
- A person repeats speech heard from someone else, sometimes immediately and sometimes later.
- echopraxianoun
- Automatically copying another person's movements, often seen in catatonia, a state of severe movement disturbance.
- echovirusnoun
- This enterovirus can cause infections ranging from unnoticed illness to inflammation affecting the brain or its coverings.
- eclampsianoun
- This serious pregnancy complication involves seizures related to preeclampsia and can occur before birth or afterward.
- eclectic behaviorismnoun
- This approach to behavior therapy selects techniques from different theories according to the person's needs.
- eclectic counselingnoun
- This counseling approach combines ideas and methods from several theoretical traditions to help a person.
- eclectic psychotherapynoun
- This form of psychotherapy draws on multiple theories and techniques to address a client's needs.
- eclecticismnoun
- An approach selects and combines useful ideas or methods from different systems of thought.
- eclimanoun
- An unusually strong appetite or hunger that feels difficult to satisfy is described by this word.
- ECMabbreviation
- An external chemical messenger is a substance released by one organism that affects other organisms.
- ecobehavioral assessmentnoun
- Observers repeatedly record specific behaviors alongside surrounding events to examine how behavior varies with changing conditions.
- ECochGabbreviation
- Electrocochleography records electrical responses from the inner ear to help assess how hearing works.
- ecofeminismnoun
- This perspective connects feminism and environmental concern, proposing shared social roots for exploiting women and nature.
- ECoGabbreviation
- Electrocorticography records brain electrical signals using sensors placed directly against the surface of the cerebral cortex.
- ecological assessmentnoun
- Observations across different settings help reveal how a person's behavior changes with their surroundings.
- ecological fallacynoun
- A reasoning error occurs when patterns found in group data are assumed to describe individual members.
- ecological momentary assessment (EMA)noun
- Researchers repeatedly collect reports or measurements of current experiences and behavior as people go about everyday life.
- ecological nichenoun
- An organism's place in its environment includes the resources it uses and the role it plays.
- ecological perceptionnoun
- Gibson's approach describes directly noticing stable environmental features and opportunities for action while moving through everyday surroundings.
- ecological perspectivenoun
- This community psychology view examines how people and surrounding social systems influence each other to guide community improvement.
- ecological psychologynoun
- This approach studies how physical surroundings, social roles, and setting rules shape predictable patterns of behavior.
- ecological studynoun
- In psychology, this research examines how surrounding physical and social conditions relate to behavior and mental health.
- ecological systems theorynoun
- Bronfenbrenner's theory explains human development through interactions among individuals and connected layers of their environments over time.
- ecological validityphrase
- Shows how well a study's results match what happens in real-life settings.
- ecologynoun
- This science examines how living things interact with one another and with the environments around them.
- ecomanianoun
- This older label describes excessive preoccupation with family members accompanied by irritability and controlling behavior toward them.
- economic modelnoun
- In historical psychoanalysis, mental activity was explained through proposed quantities of psychic energy and how that energy was distributed.
- Economo’s diseasenoun
- Also called encephalitis lethargica, this illness involves brain inflammation associated with extreme sleepiness and problems controlling eye movements.
- economynoun
- A rule-based system for managing behavior, such as giving tokens as rewards.
- economy of effortnoun
- Living things tend to conserve energy by carrying out actions efficiently and reducing unnecessary effort.
- economy principlenoun
- When explanations fit the evidence equally well, this principle favors the one requiring fewer unsupported assumptions.
- ecopathologynoun
- Community members may label someone psychologically abnormal because that person's behavior conflicts with their local expectations.
- ecopsychologynoun
- This field encourages understanding humans as part of nature and developing attitudes that support care for the environment.
- ecosystemnoun
- A connected system where people, groups, and their environment affect one another, so one change can spread widely.
- ecosystemic approachnoun
- This therapy approach addresses how individuals or families interact with wider social settings, including schools, workplaces, and services.
- ecphorynoun
- A matching cue activates stored information, bringing a memory or associated feeling back into awareness.
- ECSabbreviation
- Electroconvulsive shock is an electrical stimulus used to trigger a seizure, including during electroconvulsive therapy.
- Ecstasynoun
- This common name for MDMA describes a psychoactive drug that can increase energy, pleasure, and feelings of emotional closeness.
- ecstatic trancenoun
- An altered state of awareness includes intense joy and may occur during meditation or religious practices.
- ECTabbreviation
- A medical treatment that uses a brief controlled seizure to quickly relieve severe depression.
- ECT-induced amnesianoun
- Memory loss can follow electroconvulsive therapy, affecting recall of past events or the ability to form new memories.
- ecto-prefix
- This word part indicates an outer location or a position beyond a structure's boundary.
- ectodermnoun
- An embryo's outer cell layer develops into structures including the nervous system and the skin's outer covering.
- ectohormonenoun
- An organism releases this chemical signal outside its body, influencing behavior in other members of its species.
- ectomorphnoun
- In Sheldon's historical body classification, a person with a slender, elongated build was proposed to have a reserved temperament.
- ectopianoun
- A body structure or group of cells is located somewhere other than its usual anatomical position.
- ectopic pregnancynoun
- A pregnancy implants and develops beyond the uterine cavity, usually within a fallopian tube.
- ectopic testisnoun
- A testis moves away from its usual descent route and settles somewhere outside the scrotum.
- ectoplasmnoun
- In spiritualist belief, a substance supposedly emerges from a medium's body during attempts to communicate with spirits.
- ectothermnoun
- An animal obtains most of its body heat from its surroundings rather than generating it internally.
- EDabbreviation
- The dose of a drug that produces the wanted effect.
- EDAabbreviation
- Exploratory data analysis examines data for patterns and possible new questions without being limited to predictions made beforehand.
- edemanoun
- Swelling caused by extra fluid building up in body tissues, organs, or spaces.
- edgenoun
- A visible boundary where one object or image area ends and another begins.
- edge detectornoun
- A visual nerve cell or proposed processing unit responds especially strongly to borders between lighter and darker areas.
- edge theorynoun
- A proposed explanation suggests fear of death prepares people for survival mainly when they sense immediate danger.
- EDIabbreviation
- The Emory Dyssemia Index screens for difficulties understanding and using unspoken social signals through ratings provided by someone else.
- Edinger–Westphal nucleusnoun
- A midbrain cell group helps control pupil narrowing and changes in the eye’s focus through parasympathetic signals.
- EDRabbreviation
- An electrodermal response changes the skin’s electrical properties as sweat gland activity changes with bodily arousal.
- edrophoniumnoun
- A rapidly acting, brief-lasting drug slows the breakdown of acetylcholine, strengthening signals involved in muscle activity.
- educableadjective
- Someone described this way has the capacity to learn academic knowledge and skills.
- educable mentally retarded (EMR)phrase
- An offensive historical school label classified students with intellectual disabilities as able to learn basic academic skills.
- educationnoun
- Teaching and learning that build knowledge, skills, and values.
- Education for All Handicapped Children Act (EAHCA; EHA)noun
- A historical American education law established public schooling rights for children with disabilities and supported learning alongside peers without disabilities.
- educational accelerationnoun
- Students move through school material faster than the usual schedule to match their readiness and learning abilities.
- educational age (EA)noun
- A student’s academic performance is expressed as the age when students typically reach that level.
- educational attainment levelnoun
- A person’s educational progress can be described by schooling completed, learning achieved, or standards required for advancement.
- educational counselingnoun
- Professional support helps students plan their education, choose courses or schools, and address problems affecting learning.
- educational diagnosisnoun
- An assessment investigates learning difficulties and factors affecting school performance, or names the conclusion reached through that investigation.
- educational guidancenoun
- Counselors help students make educational plans, select suitable courses or schools, and work through learning challenges.
- educational linguisticsnoun
- A field studies language in schooling and uses knowledge about language to shape teaching methods and education policies.
- educational measurementnoun
- Researchers and educators design and use tests to assess students’ abilities and academic skills.
- educational neurosciencenoun
- Researchers study how brain activity supports learning and explore how those findings might improve teaching and school curricula.
- educational pacingnoun
- The speed of learning or covering school material can be observed and adjusted for individual students or whole classes.
- educational placementnoun
- Students are matched with learning programs or settings based on their age, abilities, and educational needs.
- educational programphrase
- An organized course of study that can lead to a degree, certificate, or professional license.
- educational psychologyphrase
- Studies how people learn in school and how teaching can better support students' needs.
- educational quotient (EQ)noun
- A score divides a student’s educational age by their actual age, then multiplies the result by 100.
- educational retardationnoun
- An offensive, outdated expression described slower academic progress associated with disability or occurring within a particular subject or school setting.
- educational sport psychologynoun
- A specialty teaches psychological skills, such as mental imagery and attention control, to help people improve sports performance.
- Educational Testing Service (ETS)noun
- This nonprofit develops tests and studies how to measure learning, aiming to make educational assessment accurate and fair.
- educational testsnoun
- These assessments identify academic skills that need support and measure the extent of learning difficulties.
- educational therapynoun
- Individualized support combines teaching and therapeutic methods to address learning barriers while developing academic skills, confidence, and independence.
- eductionnoun
- Reasoning involves discovering the relationship within an analogy, applying that relationship to find a missing term, or both.
- Edwards Personal Preference Schedule (EPPS)phrase
- A forced-choice personality test for adults measures the strength of 15 everyday needs, such as achievement, order, and affiliation.
- Edwards syndromenoun
- A genetic condition involving extra chromosome 18 material causes serious medical complications and usually substantial developmental disabilities.
- EEabbreviation
- Expressed emotion describes family criticism, hostility, and excessive emotional involvement toward a relative with a mental health condition.
- EEGabbreviation
- A test that records the brain's electrical activity through electrodes placed on the scalp.
- EEG biofeedbacknoun
- Training uses feedback from recorded brain electrical activity to help people practice changing patterns in that activity.
- EEG measures of intelligencenoun
- Proposed estimates of intelligence use recorded brain electrical activity, but findings linking them to intelligence tests have been inconsistent.
- EEOCabbreviation
- The federal agency that enforces workplace laws against discrimination in hiring, pay, firing, and promotion.
- EFAabbreviation
- Exploratory factor analysis searches patterns among many related measurements to identify a smaller set of possible underlying dimensions.
- effectnoun
- A change or result caused by something else, such as a drug, condition, or training program.
- effect codingnoun
- A regression coding method represents categories with positive, negative, and sometimes zero values to compare groups against their average.
- effect lawnoun
- A learning principle proposes that satisfying consequences make a behavior more likely to recur in similar circumstances.
- effect sizephrase
- A number showing how strong or important a difference or relationship is in study results.
- effect variablenoun
- The measured outcome in a study is what researchers aim to explain or predict using other variables.
- effect-size correlationnoun
- A correlation indicates the strength and direction of a predictor’s relationship with an outcome without adjusting for other variation.
- effectancenoun
- A person or organism has an actual influence on surrounding objects or events through its actions.
- effective dose (ED)phrase
- The smallest drug amount that produces a chosen effect, often measured by the dose helping 50% of subjects.
- effective stimulusnoun
- The specific feature of a presented stimulus actually guides an organism’s response, even when researchers intended another feature to matter.
- effectiveness evaluationnoun
- A systematic assessment examines how successfully a program reaches its stated goals using selected methods and standards.
- effectiveness researchphrase
- Studies how well treatments work in real care settings so patient care can be improved.
- effectornoun
- A muscle, gland, or acting body part carries out a response directed by nervous system signals.
- effeminacynoun
- A culturally shaped description applies to feminine appearance or behavior in boys or men relative to local expectations of masculinity.
- efference copynoun
- An internal duplicate of a movement command helps the brain predict and compare the sensory effects of its own actions.
- efferentadjective
- Signals or structures described this way carry information outward from a central location toward another destination.
- efferent motor aphasianoun
- Damage to the lower left premotor brain region causes difficulty producing connected sequences of speech sounds.
- efferent nerve fibernoun
- A nerve cell’s long extension carries outgoing signals from brain or spinal cord toward the body’s outer structures.
- efferent neuronnoun
- A nerve cell sends outgoing signals from brain or spinal cord toward a muscle, gland, or another responding structure.
- efferent pathwaynoun
- A connected nerve route carries outgoing signals from a central nervous system region toward structures that carry out responses.
- Effexornoun
- A brand name identifies venlafaxine, an antidepressant that reduces reabsorption of the chemical messengers serotonin and norepinephrine.
- efficacynoun
- A person's belief that they can do something well and handle the demands involved.
- efficacy researchphrase
- Research that tests whether a treatment works better than a placebo, an inactive fake treatment.
- efficiencynoun
- Getting the most work or results from the least time, effort, or other resources.
- efficient causenoun
- In Aristotle’s framework, the agent or process that brings something about explains its efficient cause.
- effluviumnoun
- Historical paranormal theories proposed an undetectable stream of tiny particles flowing from people or objects to explain unusual phenomena.
- effort after meaningnoun
- People repeatedly reshape unfamiliar or unclear information using familiar ideas to make it understandable.
- effort justificationnoun
- People may value an activity more because working hard or enduring discomfort for it makes that investment feel worthwhile.
- effort syndromenoun
- An older label described anxiety with symptoms such as a racing heart and breathlessness, later associated with panic disorder.
- effortful processingphrase
- Using attention and control to work with information, especially when it feels mentally hard.
- effortfulnessnoun
- A task has this quality when it demands attention and other mental resources to carry out.
- effortless attentionnoun
- Someone stays actively focused on an activity while feeling little need to push themselves mentally.
- EFPabbreviation
- Equine-facilitated psychotherapy uses activities with horses as psychological treatment guided by a mental health professional and a horse specialist.
- EFPPAabbreviation
- This abbreviation names a federation founded in 1981 to connect European psychology associations across education, practice, and research.
- EFTabbreviation
- A therapy that helps people notice, express, and change emotions to improve relationships and mental health.
- egersisnoun
- An unusually intense degree of wakefulness characterizes this state.
- egg cellnoun
- A female reproductive cell, also called an ovum, can combine with sperm during fertilization.
- egonoun
- The conscious part of personality that feels like you and manages real-world demands.
- ego analysisnoun
- Psychoanalytic techniques examine the ego's abilities, difficulties, and defenses against impulses experienced as unacceptable.
- ego anxietynoun
- Psychoanalytic theory describes distress arising when practical self-management, instinctive wishes, and moral demands conflict within a person.
- ego boundarynoun
- A person's sense of separation distinguishes their own self from other people and the surrounding world.
- ego controlnoun
- A personality tendency determines how strongly someone holds back emotional urges and impulses to act.
- ego defectnoun
- Psychoanalytic theory uses this label for missing or limited ego abilities, especially understanding reality and adapting to it.
- ego defensenoun
- Psychoanalytic theory proposes unconscious mental responses that shield the self from anxiety about impulses, conflicts, or outside threats.
- ego depletionnoun
- A proposed temporary drop in self-control occurs after earlier efforts to regulate thoughts, feelings, decisions, or behavior.
- ego developmentnoun
- An infant gradually becomes aware of being a separate person, distinct from caregivers and other people.
- ego formationnoun
- Classical psychoanalysis proposes that the ego emerges from instinctive drives as a child responds to the world's demands.
- ego functionsnoun
- Psychoanalytic theory assigns the ego abilities such as reasoning, remembering, managing emotions, and responding realistically to circumstances.
- ego identitynoun
- Psychoanalytic and Eriksonian theories describe a coherent, lasting sense of who one is across changing roles and experiences.
- ego integrationnoun
- Psychoanalytic theory describes bringing motives, attitudes, goals, and other personality features together into a balanced whole.
- ego integrity versus despairnoun
- Erikson's proposed final life stage involves older adults reviewing their lives with acceptance and satisfaction or regret and despair.
- ego involvementphrase
- How much a task or opinion matters to a person's self-esteem and sense of self.
- ego orientationnoun
- Success is judged mainly by winning or performing better than other people within this motivational outlook.
- ego psychologynoun
- A psychoanalytic approach emphasizes adaptation and proposes that some ego abilities operate independently of instinctive wishes and inner conflict.
- ego resiliencynoun
- A personality capacity allows someone to flexibly restrain or express emotional impulses as social situations require.
- ego resistancenoun
- Psychoanalysis describes a patient's unconscious opposition to uncovering impulses that have been kept outside awareness.
- ego statenoun
- Psychoanalytic theory describes a coordinated mental condition that shapes how someone relates to people and their surroundings.
- ego strengthnoun
- Psychoanalytic theory describes the capacity to balance impulses, moral expectations, and reality while managing frustration and stress.
- ego stressnoun
- An inner or outer challenge creates tension that, in psychoanalytic terms, requires the ego to adapt.
- ego structurenoun
- Psychoanalytic theory uses this concept for how the ego's components and abilities are organized.
- ego transcendencenoun
- An altered conscious state involves feeling beyond personal concerns and believing this allows a more objective view of reality.
- ego weaknessnoun
- Psychoanalytic theory describes difficulty managing impulses and coping with stress, frustration, or disappointment through this concept.
- ego-alienadjective
- A thought, wish, or impulse feels unacceptable because it conflicts with someone's values or understanding of themselves.
- ego-boundary lossnoun
- Someone loses a clear distinction between their own body, thoughts, or influence and those of other people or things.
- ego-centered networknoun
- Social network analysis examines one selected person or point and its connections to others using this network.
- ego-defensive function of an attitudenoun
- An attitude can help someone protect or improve their feelings of personal worth.
- ego-dystonicadjective
- Describing thoughts or urges that feel unwanted, upsetting, and unlike a person's usual sense of self.
- ego-dystonic homosexualitynoun
- A historical diagnostic label described distress about unwanted same-sex attraction, including wishing for attraction to people of another sex.
- ego-idealnoun
- Psychoanalytic theory describes an inner model of the person someone hopes to become, shaped by admired values and people.
- ego-splittingnoun
- Psychoanalytic theory describes the ego maintaining opposing attitudes toward the same thing at the same time.
- ego-syntonicadjective
- Fitting a person's self-image, so the thought or behavior feels acceptable, not upsetting or wrong.
- egocentric predicamentnoun
- A philosophical problem asks how we can know other minds or an outside world if experience is entirely private.
- egocentric speechphrase
- Children sometimes talk aloud to themselves without adjusting for listeners, often while guiding their own thinking.
- egocentrismnoun
- Seeing the world only from your own view and assuming others see and feel the same.
- egoismnoun
- A pattern of selfish behavior driven by self-interest and little concern for other people's needs.
- egoistic helpingnoun
- Someone helps another person mainly to gain a personal benefit, such as pleasure, recognition, or a reward.
- egoistic relative deprivationnoun
- Someone feels personally disadvantaged because their resources or standing fall below what they expect or see others having.
- egoistic suicidenoun
- Durkheim's historical theory proposed a category of suicide linked to weak social bonds and limited belonging within groups.
- egomanianoun
- Extreme self-preoccupation involves inflated beliefs about personal importance or ability and little attention to other people's needs.
- egopathynoun
- An older descriptive label links exaggerated personal importance with hostility toward others, often expressed through putting them down.
- egotheismnoun
- A person identifies themselves with a god or divine being in this form of belief.
- egotismnoun
- Someone shows excessive pride in themselves or gives too much attention to their own importance.
- EHAabbreviation
- This abbreviation names a 1975 United States law expanding educational rights for children with disabilities in settings that minimize separation.
- EHRabbreviation
- An electronic health record stores a person's health information digitally for authorized professionals to use when coordinating care.
- eidetic imagenoun
- A vivid visual picture remains in someone's mind for seconds or minutes after the original scene disappears.
- eigenvaluenoun
- In statistical data reduction, a number indicates how much variation a particular component or factor accounts for.
- eigenvectornoun
- A nonzero mathematical arrow becomes a multiple of itself under a particular linear transformation, keeping the same line.
- Eigenweltnoun
- In existential psychology, this describes the personal world formed through how someone relates to and experiences themselves.
- eighth cranial nervenoun
- The vestibulocochlear nerve carries information about sounds and balance from structures inside the ear toward the brain.
- Einstellungnoun
- A mental readiness shaped by experience or instructions guides responses and can make different approaches harder to notice.
- either–or fallacynoun
- An argument wrongly presents two options as the only choices, overlooking other possibilities or ways both could apply.
- either–or thinkingnoun
- A person views situations through opposite extremes while overlooking possibilities between them.
- ejaculationnoun
- The release of semen from the penis during sexual climax, caused by automatic and voluntary muscle contractions.
- ejaculatory ductnoun
- Each of two small tubes carries sperm and seminal fluid through the prostate into the urethra during ejaculation.
- Ekbom’s syndromenoun
- In this usage, restless legs syndrome involves uncomfortable leg sensations and an urge to move during rest, often at night.
- EKGabbreviation
- A test that records the heart's electrical activity through electrodes placed on the skin.
- elaborated codenoun
- A language style uses varied vocabulary and detailed sentence structures to express meaning with less reliance on shared context.
- elaborationnoun
- Careful thinking about the main arguments in a message before deciding what attitude to hold.
- elaboration-likelihood model (ELM)noun
- A persuasion theory explains attitude change through varying amounts of thought, from careful consideration of reasons to reliance on simple cues.
- elaborative rehearsalphrase
- Remembering improves when new information is connected to things you already know in meaningful ways.
- elationnoun
- An unusually high, overly cheerful mood with restless energy, often seen in mania or other disorders.
- Elavilnoun
- This brand name identifies amitriptyline, a tricyclic antidepressant also used for some forms of ongoing pain and migraine prevention.
- ELBWabbreviation
- The abbreviation means extremely low birth weight, describing a baby who weighs under 1,000 grams when born.
- Eldeprylnoun
- This brand name identifies oral selegiline, a medicine used with other treatment for Parkinson's disease that slows dopamine breakdown.
- elder abusenoun
- Harming, exploiting, or neglecting a person age 60 or older, whether by action or by failing to help.
- elder carenoun
- Support helps older adults meet daily needs through personal assistance, health services, supervision, or social resources.
- elder neglectphrase
- When a caregiver does not provide the needed care for an older adult.
- elderspeaknoun
- People sometimes use overly simple, slow, or loud speech with older adults because they assume age limits understanding.
- electivenoun
- A school class a student chooses freely instead of one required for graduation.
- elective abortionnoun
- A pregnancy is deliberately ended through medication or a procedure following a planned decision.
- elective affinitynoun
- A person feels drawn to someone, something, or an idea through sympathy, shared preferences, or a sense of connection.
- elective bilingualismnoun
- A person gains a second language through formal education, including literacy, in a context that associates it with social status.
- elective mutismnoun
- An older name for selective mutism describes persistent difficulty speaking in certain social settings despite being able to speak elsewhere.
- Electra complexphrase
- In Jung's view, a girl's early wish for her father and rivalry with her mother.
- electric ophthalmianoun
- Exposure to ultraviolet light from electric welding can inflame the eye's surface, producing this painful eye condition.
- electric potentialnoun
- A quantity measured in volts expresses electrical potential energy per unit of charge at a point relative to a reference.
- electric sensenoun
- Some animals detect nearby electric fields, including fields they may generate themselves, to gather information about their surroundings.
- electric shock methodnoun
- An older broad label describes treatments using electricity, including electroconvulsive therapy, which uses controlled current to trigger a seizure.
- electric sinknoun
- A device or location receives electrical energy from elsewhere and may absorb or dissipate it.
- electrical activity of the brainnoun
- Brain cells produce changing electrical signals both during ongoing activity and in response to events.
- electrical intracranial stimulationnoun
- Electrodes implanted inside the skull deliver current directly to selected brain regions to change their activity.
- electrical self-stimulation of the brain (ESSB)noun
- An individual performs an action that triggers current through implanted electrodes in their own brain, often to study reward.
- electrical stimulationphrase
- Using electricity to activate nerve cells, sometimes by sending current directly into the brain.
- electrical stimulation of the cortexnoun
- Electrodes deliver current to the brain's outer layer to influence activity, investigate functions, or produce therapeutic effects.
- electrical synapsenoun
- Connected nerve cells pass electrical signals directly through tiny protein channels linking their interiors.
- electrical transcranial stimulation (ETS)noun
- In historical electrosleep therapy, weak electrical currents were applied across the head to encourage relaxation or sleep.
- electroacupuncturenoun
- A form of acupuncture applies small electrical currents through inserted needles to stimulate selected body sites.
- electrocardiogram (ECG; EKG)noun
- A recording of the heart's electrical activity used to check how well it is working.
- electrocardiographic effectnoun
- A change in the heart's electrical signals appears on a recording, sometimes following medication use.
- electrocochleography (ECochG)noun
- A hearing test records electrical responses generated in the cochlea and nearby auditory nerve when sounds are presented.
- electroconvulsive therapy (ECT)phrase
- A medical treatment that triggers a brief seizure with electricity to quickly relieve severe depression when medicines fail.
- electrocorticography (ECoG)noun
- A recording method measures brain signals with electrodes resting directly against the cortex, the brain's outer layer.
- electrodenoun
- A small conductor placed on the body or in tissue to record or send electrical signals.
- electrode placementphrase
- Putting recording sensors on the head or into nerve tissue to measure brain electrical activity.
- electrodermal changesnoun
- Shifts in the skin's electrical properties, often linked to sweat gland activity, can indicate changes in bodily arousal.
- electrodermal response (EDR)noun
- Sweat gland activity changes the skin's electrical properties following a stimulus, providing a measure of bodily arousal.
- electrodiagnosisnoun
- Clinicians investigate disorders by measuring bodily electrical signals or testing how nerves and muscles respond to electrical stimulation.
- electroencephalographic audiometrynoun
- A hearing assessment estimates sound sensitivity by recording how brain signals change when sounds are played.
- electroencephalography (EEG)noun
- A test that records the brain's electrical activity from scalp sensors to study sleep, seizures, and other problems.
- electrolyte imbalancephrase
- Having too much or too little of key body salts can disrupt fluid balance, nerves, and muscles.
- electromagnetic spectrumnoun
- The full range of electromagnetic radiation includes radio waves, visible light, and gamma rays, ordered by wavelength or frequency.
- electromyography (EMG)noun
- Electrodes on the skin or inside muscles record electrical signals produced by muscle activity.
- electronarcosisnoun
- A historical electrical treatment produced seizure-related muscle stiffening while limiting or preventing the rhythmic jerking phase.
- electronic aid to daily livingnoun
- An assistive electronic device helps someone control nearby features, such as lights, doors, or appliances, to support everyday independence.
- electronic brainstormingnoun
- People use digital tools to generate and build on ideas together while postponing judgment about their value.
- electronic cigarette (e-cigarette)noun
- A battery-powered device heats liquid into an aerosol that users inhale, often delivering nicotine.
- electronic health record (EHR)phrase
- A digital patient chart that authorized providers share and update to coordinate care and patient access.
- electronic nosenoun
- A device uses sensors to detect gases or recognize odor patterns, sometimes helping researchers model the sense of smell.
- electronystagmographynoun
- Electrodes near the eyes record movement-related electrical changes to assess involuntary eye movements and parts of the balance system.
- electrooculography (EOG)noun
- Electrodes record changes caused by eye movement in the voltage difference between the eye's front and back.
- electroolfactography (EOG)noun
- This method records electrical signals from smell receptors when different odor substances reach them.
- electrophysiologic audiometrynoun
- These hearing tests measure electrical signals produced in the ear or nervous system after sounds are presented.
- electrophysiologynoun
- This scientific field investigates how living cells and tissues generate, carry, and respond to electrical signals.
- electroplethysmographynoun
- This testing method uses electrical measurements to track blood volume or its changes within body regions.
- electroretinographynoun
- This method records how the retina, the eye's light-sensitive lining, responds electrically to light.
- electroshock therapy (EST)noun
- This older name describes electroconvulsive therapy, which uses controlled electrical stimulation under anesthesia to trigger therapeutic seizures.
- electrosleep therapynoun
- This historical treatment applied weak electrical currents across the head, aiming to promote relaxation or sleep and ease psychological symptoms.
- electrostimulationnoun
- In this behavioral treatment usage, electrical shocks serve as unpleasant events intended to change behavior.
- electrostimulation of the brain (ESB)noun
- Researchers apply electrical stimulation to a selected brain region to investigate what that region does.
- electrostimulatornoun
- An electrical device applies adjustable pulses to selected bodily tissues.
- electrotactile aidnoun
- This assistive device converts information, such as sound, into electrical patterns that a person feels on their skin.
- electrotherapynoun
- This broad category includes treatments that apply electrical current to the body for a therapeutic purpose.
- electrotonic conductionnoun
- An electrical disturbance spreads across nearby nerve or muscle cell membrane without renewing itself, losing strength over distance.
- electrotonusnoun
- Applied electrical current changes a nerve's or muscle's electrical condition, responsiveness, or ability to carry signals.
- elegant solutionnoun
- An answer solves a problem very effectively while requiring few steps, resources, or unsupported assumptions.
- elementnoun
- One basic part that makes up a larger whole, often not broken into simpler parts.
- element-level compatibility effectnoun
- Response speed and accuracy depend on how naturally each individual signal matches its assigned action within a set.
- elementarismnoun
- This approach explains complex experiences or behaviors by breaking them into basic parts, such as sensations or simple responses.
- elementary cognitive task (ECT)noun
- A simple laboratory activity measures how quickly someone responds while performing a task assumed to require basic mental processing.
- Elephant Man’s diseasenoun
- This outdated label describes Joseph Merrick's condition, thought more likely to have been Proteus syndrome than neurofibromatosis.
- elevated mazenoun
- A research maze uses raised, wall-free paths separated by gaps, with wrong turns ending at the edge of a path.
- elevated moodphrase
- An unusually high emotional state with strong happiness, excitement, and a sense that everything feels good.
- elevated plus mazenoun
- A raised, cross-shaped apparatus with two open and two enclosed arms helps researchers study anxiety-related behavior in rodents.
- elevator phobiaphrase
- A lasting, unreasonable fear of elevators, often tied to heights, closed spaces, or panic sensations.
- eleventh cranial nervenoun
- Also called the accessory nerve, this nerve controls muscles that help turn the head and raise the shoulders.
- elicitationnoun
- A particular stimulus reliably brings about a specific response, such as food causing the mouth to water.
- elicited behaviornoun
- A response occurs predictably when a particular stimulus triggers it, as in many reflexes.
- elimination by aspectsnoun
- This decision theory proposes choosing by repeatedly discarding options that lack a selected important feature until one remains.
- elimination disorderphrase
- A childhood condition involving repeated trouble controlling pee or poop, not caused by illness or substances.
- elimination drivenoun
- A bodily urge motivates a person to empty the bladder or bowels and can be influenced by psychological factors.
- eliminativismnoun
- This philosophical view proposes replacing everyday explanations involving beliefs, feelings, and intentions with scientific accounts of biological processes.
- elisionnoun
- Speakers leave out particular sounds in certain speech contexts, often when words are spoken together.
- elite athletenoun
- A highly skilled sports competitor typically participates in professional contests or events involving the best competitors nationally or internationally.
- elite bilingualismnoun
- A person learns a second language through formal education, including literacy, in circumstances where this learning carries social prestige.
- ellipsisnoun
- A speaker or writer leaves out words that the surrounding context allows someone to understand.
- Ellis–van Creveld syndromenoun
- An inherited recessive condition causes short stature, extra fingers or toes, changes in teeth and nails, and sometimes heart differences.
- ELMabbreviation
- The elaboration-likelihood model proposes that persuasion varies with how deeply people examine information, influencing the strength of resulting attitudes.
- elopementnoun
- In psychiatric care, a patient leaves a hospital or treatment unit without the required permission.
- ELSI Programnoun
- A Human Genome Project program studies how discoveries about genes affect people's rights, emotions, cultures, and healthcare.
- EMAabbreviation
- Ecological momentary assessment repeatedly measures people's current experiences or behavior during everyday life, often at randomly chosen times.
- emancipated minorphrase
- A person under 18 who lives independently and can make many legal decisions like an adult.
- emancipation disordernoun
- This clinical label describes distress in young people who want freedom from parents but struggle with independence and its responsibilities.
- emasculationnoun
- In psychological usage, a man feels that his masculinity has been diminished, often through culturally shaped expectations about male roles.
- embalming fluidnoun
- In drug slang, this label often means a liquid containing phencyclidine, or PCP, rather than chemicals used for preserving bodies.
- embarrassmentnoun
- Feeling awkward and flustered because other people are watching, noticing, or mildly disapproving.
- embedded figurenoun
- A recognizable image blends into a more complicated visual pattern, making it difficult to notice at first.
- Embedded Figures Test (EFT)noun
- This assessment asks people to locate simple shapes within complex drawings, helping evaluate how they separate details from surrounding patterns.
- embedded sentencenoun
- In transformational grammar, a smaller sentence appears as a dependent clause inside a larger sentence.
- embeddedness of an attitudenoun
- This describes how extensively an attitude connects in memory with other attitudes, beliefs, or values.
- emblemnoun
- A gesture communicates a specific message that people within a culture generally recognize without spoken words.
- embodied cognitionnoun
- This theoretical approach proposes that thinking is shaped by the body's structure, sensory experiences, movements, and interactions with surroundings.
- embolic strokephrase
- A stroke happens when traveling debris blocks a brain artery suddenly, cutting off blood flow.
- embolismnoun
- Blood circulation is blocked when material traveling from elsewhere lodges inside a blood vessel.
- embolusnoun
- A traveling piece of material, such as a clot or air bubble, can lodge in a vessel and block circulation.
- embryonoun
- In human pregnancy, the developing baby from conception until week eight is called an embryo.
- embryo transfernoun
- An embryo created through fertilization outside the body is placed into a uterus with the aim of establishing pregnancy.
- embryologynoun
- This branch of biology examines how organisms form and develop during their earliest stages of life.
- embryonic stagephrase
- During this prenatal period, the embryo forms major body parts between the germinal stage and the fetal stage.
- embryonic stem cellnoun
- An unspecialized cell from an early embryo can multiply and develop into nearly any specialized type of body cell.
- EmCabbreviation
- The abbreviation names the extreme capsule, a brain pathway connecting several regions and possibly carrying information used in language.
- EMDRabbreviation
- A therapy for trauma where people recall painful memories while following back-and-forth movements or taps.
- emergencenoun
- New, more complex abilities can arise from simpler parts without being fully predictable from those parts alone.
- emergency call systemnoun
- A portable or wearable device lets someone request urgent help when reaching a telephone may be difficult.
- emergency interventionphrase
- Immediate help after a sudden dangerous event to reduce harm, assess safety, and plan next care.
- Emergency Medical Treatment and Active Labor Act (EMTALA)noun
- This U.S. law requires Medicare-participating emergency departments to assess patients and stabilize emergencies, even when patients cannot afford care.
- emergency psychotherapynoun
- Urgent psychological treatment helps people manage severe distress, suicidal feelings, or overwhelming reactions following a traumatic experience.
- emergency reactionnoun
- The sympathetic nervous system prepares the body to confront or escape a perceived threat by making energy available quickly.
- emergency servicesphrase
- Immediate medical or mental health help given when someone seems to need urgent care.
- emergency syndromenoun
- A perceived threat activates bodily changes, such as faster breathing and heartbeat, that prepare someone for immediate action.
- emergent evolutionnoun
- This theory proposes that evolving species and adaptations develop new qualities that cannot be fully explained by their ancestral forms.
- emergent featurenoun
- A noticeable visual pattern arises when simpler elements combine, making the whole easier to recognize than its separate parts.
- emergent leadernoun
- Someone gradually becomes a group's accepted leader through members' responses, without being formally chosen or assigned the role.
- emergent literacynoun
- Early knowledge, skills, and attitudes prepare children for reading and writing before formal lessons begin.
- emergent propertynoun
- A quality appears in a complex whole that cannot be predicted simply by examining its separate parts.
- emergent-norm theorynoun
- This theory proposes that crowds act similarly because members follow shared expectations that develop during their interactions.
- emergentismnoun
- This view holds that interactions among basic processes create complex qualities that those processes alone cannot fully explain.
- emerging adulthoodphrase
- A stage from about 18 to 25 when people explore adult choices while not yet feeling fully grown up.
- emetic therapynoun
- An aversion treatment pairs targeted behaviors or cues with drug-induced nausea or vomiting to discourage those behaviors.
- EMGabbreviation
- Short for electromyography, this procedure uses electrodes to measure and record electrical signals generated by muscles.
- emicadjective
- Describing a way of studying behavior from inside a culture's own meanings and viewpoint.
- emic–etic distinctionnoun
- Researchers distinguish understanding behavior through a culture's own meanings from studying it with concepts intended for comparison across cultures.
- emitted behaviornoun
- An action occurs without being automatically triggered by a specific stimulus, unlike a reflex response.
- Emmert’s lawnoun
- An afterimage appears proportionally larger as the surface where it seems to appear is perceived as farther away.
- emmetropianoun
- An eye focuses light from distant objects directly onto the retina without needing extra focusing effort or optical correction.
- Emory Dyssemia Index (EDI)noun
- An observer-completed screening questionnaire checks how often someone has difficulty understanding or using nonverbal social signals.
- emotionnoun
- A whole-body response of feelings, actions, and body changes to something important happening.
- emotion regulationphrase
- Managing how strongly and how long feelings happen, either on purpose or automatically.
- emotion-focused copingphrase
- Managing stress by changing your feelings about a problem instead of changing the problem itself.
- emotion-focused couples therapynoun
- Partners work with a therapist to understand emotional needs, change recurring conflicts, and strengthen their emotional connection.
- emotion-focused therapy (EFT)phrase
- A therapy that helps people notice, accept, understand, and manage feelings to solve problems and grow.
- emotional abusenoun
- Repeated nonphysical mistreatment, such as threats, humiliation, or isolation, that harms a person's feelings, behavior, or mental health.
- emotional adjustmentnoun
- A person adapts to life circumstances by accepting feelings and adjusting attitudes or emotional expression to fit the situation.
- emotional anesthesianoun
- After trauma, a person may feel emotionally numb and struggle to express feelings or experience closeness with others.
- emotional blockingnoun
- Intense feelings, especially fear, interrupt a person's ability to think, speak, or respond.
- emotional chargephrase
- The felt strength and positive or negative pull of an emotion, especially when intense feelings build up.
- emotional cognitionphrase
- Correctly noticing and understanding feelings in yourself and other people from clues like faces and tone of voice.
- emotional conflictnoun
- Strong feelings pull a person in incompatible directions, creating distress or inner tension.
- emotional contagionphrase
- Feelings can quickly spread from one person to others in a group or community.
- emotional contentphrase
- Feeling-related themes in messages or situations that strongly stir people's emotions.
- emotional dependencenoun
- A person relies on other people for reassurance, comfort, and emotional care.
- emotional deprivationnoun
- Someone lacks close relationships that provide enough affection, attention, and acceptance, especially during childhood.
- emotional deteriorationnoun
- This descriptive label combines reduced self-care, little interest in people or surroundings, and emotional responses poorly matched to circumstances.
- emotional developmentphrase
- Growing ability to feel, show, understand, and manage emotions in ways that fit one's age and situation.
- emotional disordernoun
- A broad label describes psychological conditions mainly involving emotional responses whose intensity or fit with circumstances causes significant difficulties.
- emotional dispositionnoun
- A person has a usual tendency to experience certain kinds of feelings, such as cheerfulness or worry.
- emotional dissemblancenoun
- Someone's visible or spoken emotional expression differs from what they actually feel, sometimes because of social expectations.
- emotional disturbancenoun
- Emotional difficulties lead to behavior that substantially interferes with learning, relationships, or participation in everyday social life.
- emotional divorcenoun
- Married partners remain married but lead separate lives with little meaningful interaction or emotional connection.
- emotional dysregulationphrase
- Having trouble controlling feelings so reactions become too strong, too fast, or hard to calm down.
- emotional engineeringnoun
- Designers study people's feelings about product features and use those findings to guide how products are made.
- emotional expressionphrase
- Showing feelings through face, voice, posture, or actions, often shaping how other people respond.
- emotional floodingnoun
- A sudden rush of intense feelings overwhelms a person's ability to manage them.
- emotional illnessnoun
- This broad label describes mental health conditions in which difficult or disproportionate emotional reactions are a central feature.
- emotional immaturityphrase
- Showing feelings with poor control or with more intensity than a situation reasonably calls for.
- emotional incestnoun
- In this usage, a caregiver sexually abuses a child through sexualized comments or interactions without physical contact.
- emotional inoculationnoun
- Mentally practicing an anxiety-provoking situation may reduce worry by helping a person anticipate feelings and plan coping responses.
- emotional insightnoun
- A person recognizes their own or others' feelings and may understand emotional experiences underlying their difficulties.
- emotional instabilityphrase
- Having feelings that shift quickly and unpredictably from one emotion to another.
- emotional insulationnoun
- A proposed defense involves becoming emotionally detached or seemingly indifferent when facing frustration or disappointment.
- emotional intelligencenoun
- Skill in noticing, understanding, using, and managing emotions to guide thinking and behavior.
- emotional intelligence quotientnoun
- A score aims to summarize how well someone recognizes, understands, uses, or manages emotional information.
- emotional isolationnoun
- A person defensively distances themselves from feelings after frustration or disappointment, appearing detached or unconcerned.
- emotional maturitynoun
- A person can manage strong feelings and express them in thoughtful ways suited to the situation.
- emotional memoryphrase
- Memory for experiences that caused strong feelings, stored either consciously or outside awareness.
- emotional processing theorynoun
- This theory proposes that activating fear-related memories while encountering new, corrective information changes fear patterns and reduces distress.
- emotional quotientnoun
- A numerical result is intended to represent a person's emotional intelligence, including understanding and managing emotions.
- emotional reeducationnoun
- Psychotherapy helps someone understand emotional conflicts and change feelings, attitudes, and responses that contribute to ongoing difficulties.
- emotional releasephrase
- A sudden letting out of feelings that were held in or pushed down for a while.
- emotional responsephrase
- A feeling such as fear, sadness, or joy triggered by something that happens.
- emotional securitynoun
- A person feels emotionally safe and confident, without a persistent sense that something threatening is about to happen.
- emotional stabilityphrase
- Showing steady, predictable feelings without quick, strong mood shifts from one moment to the next.
- emotional stressnoun
- Psychological tension and unease arise from experiences such as perceived threats, grief, frustration, inner conflict, or shaken confidence.
- emotional stupornoun
- Profoundly limited responses to surroundings and an inability to speak accompany depression or extreme anxiety in this condition.
- emotional supportphrase
- Showing care through words or actions that give someone comfort, empathy, reassurance, and acceptance.
- emotional tensionphrase
- A feeling of inner strain or uneasiness caused by stress, conflict, or strong emotions.
- emotional unconsciousnoun
- This proposed aspect of mental life includes emotional or motivational states that influence thinking and behavior without conscious awareness.
- emotional valencenoun
- The pleasantness or unpleasantness of an emotion or experience describes its position along an emotional scale.
- emotionalitynoun
- How strongly and openly a person feels and shows emotions, whether pleasant or unpleasant.
- emotionally based persuasionnoun
- An attempt to change someone's attitude works mainly by changing their feelings about the subject.
- emotiveadjective
- Describing words or actions that stir up strong feelings.
- emotive imageryphrase
- Having a person picture upsetting scenes while staying relaxed to weaken fear responses.
- emotive techniquenoun
- A therapy exercise encourages vivid expression of thoughts and feelings so they become easier to explore together.
- empathic failurenoun
- Someone misses or misunderstands another person's feelings, thoughts, or point of view.
- empathynoun
- Understanding another person's viewpoint and feelings as if you were standing in their shoes.
- empathy trainingphrase
- A structured program that helps someone better understand others' feelings and respond with more caring communication.
- empathy-altruism hypothesisphrase
- Feeling another person's pain can create a selfless wish to help them for their sake.
- empiric-risk figurenoun
- A percentage estimates inherited disorder risk from family observations when the genetic pathway is unclear.
- empiricaladjective
- Based on careful observation or experiments rather than guesses, opinions, or pure theory.
- empirical constructnoun
- An explanatory concept is built from events or processes that researchers can observe, measure, and check.
- empirical groundingnoun
- Researchers connect a theory's concepts to events that can be observed or measured scientifically.
- empirical knowledgenoun
- Understanding comes from experience, careful observation, or experiments, giving claims a basis in evidence.
- empirical methodnoun
- An investigation gathers evidence through experiments or organized observations to answer a question.
- empirical psychologynoun
- An approach to psychology explains behavior and mental activity using evidence from careful observations and experiments.
- empirical realitynoun
- The parts of the world available to observation and measurement can be investigated using scientific evidence.
- empirical selfnoun
- In William James's theory, the self someone can know includes their belongings, social identity, and inner experience.
- empirical testnoun
- Researchers check a prediction or explanation by comparing it with experimental results or carefully collected observations.
- empirical validitynoun
- The strength of research findings supporting an assessment or model indicates how accurately it measures or explains its target.
- empirical-criterion keyingnoun
- Personality test developers keep questions whose answers distinguish people with a known characteristic from people without it.
- empirical-rational strategynoun
- A proposed approach to changing society assumes that factual information and logical arguments alone can persuade people to adopt different attitudes.
- empirically keyed testnoun
- An assessment assigns scores according to answer patterns observed in comparison groups whose relevant characteristics have already been established.
- empiricismnoun
- The belief that knowledge should come from direct experience, observation, and testing rather than inborn ideas.
- employee appraisalnoun
- An assessment judges someone's work performance and relevant qualities, such as cooperation with coworkers.
- employee assistance program (EAP)phrase
- A workplace service helps employees with personal problems hurting job performance through assessment, counseling, and referrals for treatment.
- employee comparison techniquenoun
- A workplace assessment judges employees' performance by comparing workers with one another.
- employee engagementphrase
- A worker's energetic emotional and mental connection to the job that drives effort, focus, and dedication.
- employee evaluationnoun
- A reviewer assesses how well someone performs their job, including personal qualities relevant to that work.
- Employee Retirement Income Security Act (ERISA)noun
- A United States federal law enacted in 1974 established protections and standards for many private workplace retirement and benefit plans.
- employee trainingnoun
- A planned learning program helps workers develop job knowledge, skills, or attitudes and adjust to workplace roles.
- employment at willnoun
- A legal arrangement generally allows either party to end employment without advance notice or explanation, subject to legal and contractual limits.
- employment counselingnoun
- Professional guidance helps people handle work concerns, including finding jobs, workplace difficulties, and losing employment.
- employment discriminationnoun
- An employer treats people unequally because of characteristics unrelated to their job qualifications or performance.
- employment interviewnoun
- An employer and job applicant discuss the position and the applicant's background to help assess suitability.
- employment psychologynoun
- A branch of psychology studies people at work and applies findings to improve organizations and workers' well-being.
- employment testphrase
- A hiring measure used to predict how well a person will perform at a job.
- empowermentnoun
- Building people's skills, knowledge, and confidence so they can make choices and control their lives.
- empowerment evaluationnoun
- Service providers, sometimes joined by clients, directly assess their program while an evaluator guides the process.
- empty nestphrase
- A stage when grown children leave home, often leaving parents lonely or without a clear role.
- empty setnoun
- In mathematics, a set contains no members at all.
- empty speechphrase
- Speaking smoothly and at length without giving useful or meaningful information.
- empty wordnoun
- A word such as “the” or “and” mainly serves grammar rather than naming things, actions, or qualities.
- empty-chair techniquenoun
- In therapy, someone addresses an imagined person or part of themselves in an unoccupied chair, sometimes switching seats to reply.
- empyreumaticadjective
- In Zwaardemaker's historical odor classification, this describes a roasted or smoky smell, such as roasted coffee or creosote.
- EMRabbreviation
- An outdated, offensive special-education abbreviation labeled students with intellectual disabilities according to assumed limits on academic learning.
- EMSAMnoun
- A brand name identifies a skin patch containing selegiline, a medicine used to treat depression.
- emulationnoun
- A learner understands another's goal and works toward that outcome without necessarily copying the person's exact actions.
- enablingnoun
- Helping or allowing another person's harmful behavior continue, often by protecting them from its consequences.
- enactionnoun
- A plan or process is put into practice with guidance and support, without requiring complete automation.
- enactive representationnoun
- In Bruner's theory, knowledge is represented through actions and movements, especially in early childhood.
- enactmentnoun
- Recreating or acting out key relationship experiences in therapy can reveal feelings and patterns that words alone miss.
- enantiodromianoun
- In Jung's theory, psychological tendencies can develop opposing tendencies, reflecting a proposed movement between mental opposites.
- enantiomersnoun
- Two molecules share the same chemical makeup but have mirror-image arrangements that cannot be perfectly overlaid.
- encapsulated end organnoun
- A sensory nerve ending has a surrounding tissue capsule that helps it respond to signals such as touch or pressure.
- encapsulationnoun
- Some people keep a delusion, a fixed false belief, separate from daily thinking and behavior.
- encéphale isolénoun
- A historical animal research preparation separates the spinal cord from the medulla while preserving the brain's usual sleep and waking pattern.
- encephalitisnoun
- Brain swelling, usually from a virus, that can cause fever, confusion, seizures, and even coma.
- encephalitis lethargicanoun
- A brain inflammation illness associated with historical epidemics can cause extreme sleepiness, reduced motivation, and problems moving the eyes.
- encephalizationnoun
- A species has a larger brain than expected for its body size when compared with a relevant animal group.
- encephalocelenoun
- A condition present at birth allows brain tissue to extend outward through an opening in the skull.
- encephalofacial angiomatosisnoun
- A condition present at birth involves unusual blood vessels affecting the face and brain and sometimes the eyes.
- encephalomalacianoun
- Brain tissue softens as it deteriorates, often after an area receives too little blood.
- encephalomyelitisnoun
- Inflammation affects both the brain and the spinal cord, sometimes because of infection or an immune response.
- encephalonnoun
- Another name for the brain identifies the nervous system organ inside the skull that supports thought, sensation, and bodily control.
- encephalopathynoun
- A broad brain disease that changes brain function or structure, often causing confusion and other mental changes.
- encephalopsynoun
- A person associates colors with experiences such as seeing letters or numbers, noticing smells, or sensing other qualities.
- encodingnoun
- Turning sights, sounds, or ideas into a form the brain can store in memory.
- encoding specificityphrase
- Memory is easiest to recall when the setting or cues match what was present while learning it.
- encoding strategyphrase
- A way of using thoughts or actions to put new information into memory for later recall.
- encoding variability theorynoun
- One explanation proposes that spaced study stores information with different contexts, giving memory more ways to retrieve it.
- encopresisnoun
- A child developmentally aged four or older repeatedly passes stool somewhere other than a toilet, often with constipation.
- encounternoun
- A direct meeting or interaction between people, often involving face-to-face contact.
- encounter groupnoun
- A facilitated group encourages personal growth through open emotional exchanges and attention to how members relate in the present.
- encounter movementnoun
- A movement popular during the 1960s promoted small group exercises intended to increase awareness, personal growth, and connection.
- enculturationnoun
- People learn the values, customs, beliefs, and behaviors of their own cultural community, beginning early in life.
- end brushnoun
- The end of an axon, a nerve cell's outgoing extension, divides into many fine branches.
- end feetnoun
- These are the tips of extensions from axons or astrocytes, which are supporting cells in the nervous system.
- end of lifenoun
- The period when death approaches involves emotional, social, practical, and care concerns for a person and those around them.
- end organnoun
- A specialized structure at a nerve ending receives sensory information or helps transmit motor signals to muscle.
- end platenoun
- A specialized patch on a muscle cell's surface receives chemical signals from a nearby motor nerve ending.
- end spurtnoun
- Performance or productivity sometimes rises as someone approaches the finish of an activity or working period.
- end-aversion biasnoun
- People favor middle ratings and avoid a scale's endpoints, potentially hiding real differences in what they judge.
- end-stage renal diseasenoun
- Chronic kidney disease has progressed so far that dialysis or a transplant is needed to sustain life.
- end-stopped cellnoun
- A visual brain neuron responds best to certain line lengths or corners and responds less when they extend farther.
- endarterectomynoun
- Surgeons remove fatty plaque from inside an artery to widen the opening and improve blood flow.
- endemicadjective
- A disease or other condition is regularly present within a particular population or geographical area.
- endo- (end-)prefix
- This word part indicates that something lies inside or comes from within another structure or system.
- endocannabinoidnoun
- A natural brain chemical that binds cannabinoid receptors and helps control mood, pain, appetite, and memory.
- endocarditisnoun
- Inflammation affects the tissue lining the heart's interior, often including its valves, and commonly results from infection.
- endocastnoun
- A model of the space inside a skull helps researchers estimate the brain's size and outer shape.
- endocochlear potentialnoun
- A steady voltage of about positive 80 millivolts exists in the fluid inside the cochlea's middle chamber.
- endocrineadjective
- Describing glands or cells that send hormones through blood to affect faraway parts of the body.
- endocrine disruptornoun
- A natural or manufactured chemical interferes with hormone signals by copying, blocking, or changing their usual activity.
- endocrine glandphrase
- A ductless body organ that releases hormones into blood to affect distant parts.
- endocrinologynoun
- This scientific and medical field studies hormones, the glands that release them, and disorders affecting their functions.
- endodermnoun
- An embryo's innermost main cell layer develops into digestive and respiratory linings and parts of several glands.
- endogamynoun
- A marriage custom involves choosing a spouse from within one's own religious, social, or kinship group.
- endogenousadjective
- Describes a variable whose value is shaped by other variables inside the same model or system.
- endogenous attentionnoun
- A person deliberately directs and maintains their focus according to their own goals or intentions.
- endogenous cannabinoid (eCB)noun
- A substance made by the body activates cannabinoid receptors and helps regulate nerve signaling and other bodily processes.
- endogenous cuenoun
- A signal guides someone to deliberately focus on a location, often by using a symbol such as an arrow.
- endogenous depressionnoun
- A historical label describes depression without an obvious outside stressor and suggests a biological or inherited cause.
- endogenous opioidphrase
- A body-made brain chemical that reduces pain and can create feelings of pleasure.
- endogenous oscillatornoun
- An internal network of nerve cells generates repeating patterns of activity that can organize bodily functions or behavior.
- endogenous researchnoun
- An investigation relies on information from within the system being studied while leaving independent outside information out of account.
- endogenous rhythmnoun
- A repeating pattern in bodily or psychological activity arises within an organism and may be adjusted by environmental signals.
- endogenous smilenoun
- A young infant spontaneously lifts the mouth's corners during rapid eye movement sleep, without a social trigger.
- endogenous thyrotoxicosisnoun
- Excess thyroid hormone originating inside the body causes a condition that can include nervousness, trembling, and a racing heart.
- endogenous variablephrase
- An outcome variable whose value is explained by other variables inside the model being studied.
- endolymphnoun
- A fluid fills the inner ear's membranous chambers and supports the sensory processes involved in hearing and balance.
- endolymphatic potentialnoun
- Fluid in the cochlea's middle chamber maintains an electrical voltage roughly 80 millivolts above the surrounding fluid.
- endometriosisnoun
- Tissue resembling the uterine lining grows elsewhere in the body and can cause inflammation, pain, and fertility difficulties.
- endometriumnoun
- The uterus has an inner tissue lining that changes during menstrual cycles and can support an implanted embryo.
- endomorphnoun
- Sheldon's historical personality theory used this category for a rounded, soft body build, proposing links with comfort seeking and sociability.
- endomorphinnoun
- A member of a small opioid peptide group acts at mu opioid receptors and is involved in reducing pain signals.
- endomusianoun
- A person mentally recreates music, such as a tune, without needing to hear it played aloud.
- endophasianoun
- A person mentally produces or recreates spoken words without saying them out loud.
- endophenotypenoun
- A measurable, heritable characteristic may help researchers connect genetic differences with vulnerability to psychological or neurological disorders.
- endoplasmnoun
- The inner, relatively fluid portion of a cell's cytoplasm occupies much of its interior but excludes the nucleus.
- endoplasmic reticulum (ER)noun
- A membrane network inside cells helps make and process proteins and fats for use within or beyond the cell.
- endopsychicadjective
- Something described this way occurs within the mind, including processes or contents outside conscious awareness.
- endopsychic structurenoun
- Psychoanalytic theories propose an internal organization of mental functions, such as Freud's id, ego, and superego.
- endoradiosondenoun
- A tiny recording device placed inside a nonhuman animal transmits radio signals for research on internal processes or behavior.
- endorphinnoun
- A natural brain chemical that lowers pain and can create pleasure during stress or hard exercise.
- endosomatic currentnoun
- An electrical current originates within a living organism through its own biological activity.
- endothermnoun
- An animal relies mainly on heat generated by its own metabolism to regulate its body temperature.
- endowment effectnoun
- People tend to value something more highly when they own it or feel it belongs to them.
- endurance activitynoun
- Sustained physical effort relies mainly on oxygen use to supply muscles with energy over an extended period.
- enemanoun
- Liquid is introduced through the anus into the rectum for bowel emptying, testing, or medicine delivery.
- enema addictionnoun
- A person becomes reliant on enemas for bowel emptying, sometimes as part of an eating disorder.
- energization theorynoun
- This theory proposes that effort toward a goal depends on how valuable and achievable the person thinks it is.
- energy drinknoun
- A beverage marketed to boost alertness or stamina usually contains caffeine and may include sugar or other ingredients.
- energy-flow systemnoun
- Connected parts transform energy into forms other parts can use, allowing energy to move through the whole system.
- enervateverb
- To weaken someone or something is to reduce their strength or available energy.
- engendering psychologynoun
- This approach develops psychology with attention to gender and its influence on people's experiences.
- engineering anthropometrynoun
- Measuring body size, movement, and balance helps designers create and evaluate equipment that fits human users.
- engineering controlsnoun
- Physical changes to equipment or workplaces prevent hazards or reduce people's exposure to them.
- engineering modelnoun
- This view proposes that living beings can be understood as machines whose interacting parts produce their actions.
- engineering psychologynoun
- This field applies knowledge about human thinking and behavior to designing products, systems, and spaces people use.
- English as a second language (ESL)phrase
- Classes that teach English to students whose first language is different, so they can later learn other subjects.
- engramnoun
- A proposed physical trace in the brain represents information retained from an experience.
- engulfmentnoun
- Intense anxiety involves feeling overtaken by an outside force or fearing that closeness will erase one's independence and identity.
- enhancementnoun
- A change that makes something better, stronger, or more valuable than it was before.
- enjoymentnoun
- A feeling of strong pleasure and happiness during or after something satisfying or successful.
- enkephalinnoun
- A naturally produced opioid peptide attaches to opioid receptors and helps reduce pain signals.
- Enlonnoun
- This brand name identifies edrophonium, a briefly acting drug that slows acetylcholine breakdown and strengthens nerve signaling to muscles.
- enmeshmentnoun
- A family pattern where people are too involved in each other's lives, weakening personal boundaries and independence.
- enrichmentnoun
- Adding helpful, challenging features to a job or setting so people feel more interested and work better.
- enrichment programnoun
- Additional learning activities broaden children's education, supporting those facing learning barriers or offering greater depth for gifted learners.
- entelechynoun
- In philosophy, this concept describes the realization of a being's potential as its actual, fulfilled nature.
- enteric virus infectionnoun
- An illness is caused by enteroviruses, which reproduce in the digestive tract but may affect other body systems.
- enterogastronenoun
- An intestinal hormone reduces stomach juice release when food leaving the stomach reaches the small intestine.
- enthusiasmnoun
- Strong excitement and eager interest in something can boost attention, effort, and persistence.
- entitativitynoun
- The degree to which observers see a collection of people as one organized, connected group varies with its apparent unity.
- entitlementnoun
- An unfair belief that you deserve special treatment or rewards without earning them.
- entitlement programnoun
- A U.S. government program guarantees specified benefits to people who satisfy eligibility conditions established by law.
- entity theorynoun
- A person believes that psychological qualities, such as intelligence or personality, are fixed and cannot be developed through effort.
- entopticadjective
- A visual experience described this way arises from processes inside the eye rather than from an outside object.
- entorhinal cortexnoun
- A temporal-lobe brain area that helps the hippocampus form memories and guides spatial navigation.
- entrainmentnoun
- An outside timing cue adjusts a biological rhythm so that it follows a recurring environmental pattern.
- entrapmentnoun
- Someone feels unable to stop investing in a failing effort because stopping would make earlier investments seem wasted.
- entrepreneurshipnoun
- Starting and running a business while taking financial risks in hopes of later profit.
- entropynoun
- Increasing disorder or loss of structure in a closed system that is cut off from new input.
- enucleationnoun
- A whole organ or distinct tissue mass is surgically removed while surrounding structures are preserved.
- enuresisnoun
- Repeated peeing in clothes or bed after age 5, not caused by illness or medicine.
- envelopenoun
- A smooth overall pattern of how a sound's loudness changes over time or across frequencies.
- environmentnoun
- All the outside physical, social, and cultural conditions that affect how a person or animal functions.
- environmental aestheticsnoun
- This area studies how features of natural settings and other surroundings influence judgments of beauty and visual appeal.
- environmental agnosianoun
- Following certain brain injuries, a person cannot recognize places or surroundings that were previously familiar.
- environmental approachnoun
- Therapy addresses outside pressures or changes everyday surroundings to reduce emotional difficulties and improve daily functioning.
- environmental assessmentnoun
- An evaluation examines how someone's surroundings and social circumstances influence behavior, difficulties, or well-being.
- environmental attitudesnoun
- People's beliefs, feelings, and values about nature and ecological issues shape how they judge environmental concerns.
- environmental attributionnoun
- An explanation assigns behavior or an outcome to outside circumstances, such as chance or social pressure.
- environmental cognitionnoun
- People process information about everyday surroundings, including remembering places and figuring out routes.
- environmental constraintnoun
- A feature of someone's circumstances limits opportunities to develop abilities, act independently, or use skills they already have.
- environmental control devicenoun
- An assistive device lets someone operate features of their surroundings, such as lighting, doors, or household appliances.
- environmental deprivationnoun
- A lack of opportunities for learning, play, and social connection can limit mental and behavioral development.
- environmental designnoun
- Planning spaces for living, working, and recreation aims to make them comfortable, usable, and suited to people's needs.
- environmental determinismnoun
- This view claims that surroundings and experience explain most or all psychological traits and behavior, with little biological influence.
- environmental educationnoun
- Teaching and learning activities build understanding of ecological problems and encourage actions that protect the natural world.
- environmental enrichmentnoun
- Adding opportunities for exploration, activity, and social contact makes surroundings more stimulating and can support learning and natural behavior.
- environmental fieldnoun
- In Gestalt psychology, an event belongs to a whole surrounding context whose elements interact with it.
- environmental hazardsnoun
- Conditions in the surroundings can threaten health or safety and contribute to physical or psychological stress.
- environmental interventionnoun
- A planned change to surroundings aims to influence what people do.
- environmental justicenoun
- Fair treatment means no population group carries an unfair share of environmental dangers or unhealthy surroundings.
- environmental load theorynoun
- This theory proposes that people filter out some surrounding information when incoming stimulation exceeds their processing capacity.
- environmental manipulationnoun
- Changing a person's living conditions aims to improve well-being, sometimes by arranging a more supportive residence.
- environmental modificationsnoun
- Changes to a home accommodate a person's disability and make independent daily activities easier.
- environmental noisenoun
- Incidental information in the surroundings can obscure important sensory patterns and may be filtered out as perception develops.
- environmental press–competence modelnoun
- This model proposes that adaptation depends on the fit between environmental demands and a person's abilities to meet them.
- environmental psychologyphrase
- Studies how physical surroundings like noise, crowding, lighting, and nature affect behavior and well-being.
- environmental psychophysicsnoun
- Researchers measure how physical conditions in everyday surroundings relate to what people notice and how intense sensations feel.
- environmental sounds agnosianoun
- A person has difficulty identifying everyday nonverbal sounds despite being able to hear them.
- environmental stressphrase
- Stress caused by things in a person's physical and social surroundings.
- environmental stress theorynoun
- This theory proposes that automatic bodily responses and thinking jointly shape whether surroundings seem threatening and trigger stress or coping.
- environmental therapynoun
- Treatment improves mental well-being by changing how someone interacts with their physical surroundings, social surroundings, or both.
- environmental tobacco smokenoun
- People nearby can inhale tobacco smoke released from burning tobacco or breathed out by someone smoking.
- environmentalismnoun
- This view gives surroundings and learning the main role in shaping behavior and differences between people.
- envynoun
- A painful feeling of wanting someone else's qualities or success and resenting that they have them.
- enzymenoun
- A protein speeds body chemical reactions without being used up or permanently changed.
- enzyme inductionnoun
- A substance increases enzyme production or activity, often speeding the body's breakdown of certain medicines.
- enzyme inhibitionnoun
- A substance reduces an enzyme's activity, sometimes slowing medicine breakdown and increasing the amount remaining in the body.
- EOGabbreviation
- The abbreviation commonly means electrooculography, which tracks eye movement through electrical measurements, or electrooculogram, the resulting record.
- eonismnoun
- An obsolete label described expressing gender through dress or roles that society assigned to another gender.
- EPabbreviation
- An evoked potential is a measurable electrical response within the nervous system following a sensory stimulus.
- epenanoun
- A hallucinogenic powder made from Virola tree bark is traditionally taken as snuff in parts of South America.
- ependymanoun
- A thin cellular lining covers the brain's fluid-filled chambers and the spinal cord's central channel.
- ependymal cellnoun
- This supporting nervous system cell forms part of the lining around internal fluid spaces and helps move cerebrospinal fluid.
- ependymomanoun
- A tumor develops from cells associated with the fluid-space lining inside the brain or spinal cord.
- ephebophilianoun
- This describes sexual attraction focused on people in middle to late adolescence.
- ephedranoun
- A plant used in herbal preparations contains stimulants that can increase alertness, anxiety, and cardiovascular activity.
- ephemeraladjective
- Something lasts for only a brief time before fading or disappearing.
- EPIabbreviation
- A questionnaire that measures Eysenck's personality traits, especially extraversion and neuroticism.
- epi-prefix
- This word beginning can indicate something above, upon, nearby, following, or added to something else.
- epicriticadjective
- This describes skin sensation that distinguishes fine differences in touch or temperature.
- epidemicadjective
- A disease or disorder affects more people than expected within a particular community, region, or period.
- epidemic catalepsynoun
- A historical concept describes several people developing prolonged immobility and fixed postures, attributed to imitation or identification with others.
- epidemic hysterianoun
- An older label describes unusual feelings, beliefs, symptoms, or behavior spreading through a group under social influence.
- Epidemiologic Catchment Area Survey (ECA Survey)noun
- This major American study from the 1980s measured mental disorder frequency, service use, and unmet needs in selected communities.
- epidemiologynoun
- Examines how often disorders happen in groups and what factors are linked with them.
- epidermisnoun
- The body's outer skin layer provides a protective covering and contains no blood vessels.
- epididymisnoun
- A coiled tube beside each testis stores sperm and allows them to mature before entering the sperm duct.
- epidural hematomanoun
- Bleeding between the skull and dura mater, the brain's outer covering, usually caused by head injury.
- epidural hemorrhagenoun
- Bleeding occurs between the skull and the brain's tough outer protective membrane, often following a head injury.
- epigastric reflexnoun
- A spinal reflex pulls the upper middle belly wall inward when skin below the nipple receives a quick downward stroke.
- epigenesisnoun
- Development builds increasingly specialized structures and abilities through successive changes involving interacting genetic and environmental influences.
- epigenetic landscapenoun
- Waddington's visual model presents development as branching routes, with some outcomes more likely and pathways shaped by genes and surroundings.
- epigenetic theorynoun
- This philosophical proposal holds that mind and consciousness emerged as living systems became sufficiently complex.
- epigeneticsnoun
- Studies chemical tags on DNA that change gene activity without changing the DNA code itself.
- epilepsynoun
- A chronic brain disorder causes repeated seizures from unusual electrical activity, sometimes with confusion or loss of consciousness.
- epilepsy surgerynoun
- A brain operation aims to reduce or stop difficult-to-control seizures by removing tissue responsible for starting them.
- epileptic crynoun
- A brief involuntary sound can occur when chest and voice-box muscles suddenly tighten as a tonic–clonic seizure begins.
- epileptic furornoun
- A historical label described rare episodes of intense rage or agitation that were attributed to epilepsy.
- epileptiformadjective
- A symptom or electrical pattern resembles features associated with epileptic seizures.
- epileptiform seizurenoun
- An episode looks like an epileptic seizure, although its appearance alone does not establish its cause.
- epileptogenicadjective
- A factor, substance, or brain condition can cause or help generate epileptic seizures.
- epileptogenic focusnoun
- A localized brain region generates abnormal electrical activity that starts a seizure.
- epileptogenic lesionnoun
- An area of damaged or abnormal brain tissue causes epileptic seizures, sometimes long after the damage occurs.
- epimenorrhagianoun
- In the supplied usage, this describes menstrual blood loss that exceeds the usual amount.
- epinephrinenoun
- A stress chemical and messenger that prepares the body for quick action during fear or excitement.
- epiphanynoun
- A sudden insight brings a meaningful new understanding of yourself, another person, or the world.
- epiphenomenalismnoun
- This philosophical view proposes that physical processes produce mental experiences, while those experiences cannot cause physical changes.
- epiphenomenonnoun
- A secondary result of a process is considered unable to influence the process that produces it.
- epiphoranoun
- Tears overflow onto the face because drainage is insufficient or tear production exceeds what the eyes can drain.
- episodenoun
- A distinct period when symptoms appear and form a separate spell of illness.
- episodic amnesianoun
- Memory for particular personal events is lost or becomes inaccessible, sometimes with recall returning and disappearing again.
- episodic buffernoun
- A short-term mental workspace that joins sights, sounds, and order into one event-like memory.
- episodic disordernoun
- A condition produces symptoms during separate periods, with intervals between episodes.
- episodic memorynoun
- Memory for events you personally lived, including what happened, where, when, and that it happened to you.
- epistemicadjective
- Describing something related to knowledge, especially how people know or justify what they believe.
- epistemic valuenoun
- The worth of an idea or thinking process depends on how well it supports accurate knowledge.
- epistemologynoun
- This area of philosophy examines what knowledge is, how we obtain it, and what justifies believing something.
- epistemophilianoun
- A strong love of knowing motivates someone to explore, investigate, and ask questions.
- epithalamusnoun
- A small brain region containing the pineal gland and habenula helps regulate daily rhythms and responses to outcomes.
- epitheliomanoun
- A tumor arises from epithelial cells, which cover body surfaces and line many internal spaces.
- epitheliumnoun
- A layer of closely packed cells covers body surfaces and lines internal spaces and organs.
- EPPabbreviation
- An end-plate potential is an electrical change in a muscle cell triggered by a nearby motor neuron's chemical signal.
- EPPSabbreviation
- A personality test called the Edwards Personal Preference Schedule measures a person's needs and preferences.
- EPQabbreviation
- The Eysenck Personality Questionnaire measures self-reported extraversion, emotional instability, and a historically named personality dimension called psychoticism.
- EPSabbreviation
- Extrapyramidal symptoms are medication-related movement problems, such as stiffness, shaking, muscle spasms, or a strong need to move.
- EPSDTabbreviation
- This Medicaid benefit covers preventive checks, evaluation, and needed treatment for eligible people under 21, including mental health care.
- epsilon alcoholismnoun
- Jellinek's historical category describes repeated heavy drinking episodes separated by weeks or months without alcohol.
- epsilon movementnoun
- Apparent motion can occur when a pale line against darkness switches to a dark line against light.
- EPSPabbreviation
- An excitatory postsynaptic potential is a brief electrical change caused by incoming neural signals that makes a neuron likelier to fire.
- Epstein–Barr virus (EBV)noun
- A common herpesvirus often causes mild childhood infections and can cause mononucleosis, especially in teenagers and young adults.
- EQabbreviation
- An educational quotient compares educational age with actual age, while an emotional intelligence quotient summarizes measured emotional abilities.
- Equal Employment Opportunity Commission (EEOC)noun
- A United States government agency enforces federal protections against discrimination in hiring and employment.
- equal loudness contournoun
- A graph connects sound pressure levels at different frequencies that listeners judge equally loud relative to a fixed 1,000-hertz tone.
- equal opportunitynoun
- A fairness principle supports access to jobs, education, and services without discrimination based on protected personal characteristics.
- equal rights amendment (ERA)noun
- A proposed change to the United States Constitution would guarantee legal equality regardless of sex.
- equal sense-difference methodnoun
- Researchers adjust pairs of sights, sounds, or other sensations until people judge the differences within each pair equally large.
- equal weightingnoun
- Each component receives the same multiplier when several measurements are combined into a total score.
- equal-and-unequal-cases methodnoun
- Participants repeatedly compare paired stimuli from a fixed set and decide whether they seem equal or different.
- equal-appearing-intervals methodnoun
- People adjust stimulus pairs so the perceived difference within every pair seems the same size.
- equality lawnoun
- A Gestalt principle proposes that visual parts judged equal tend to be perceived together as one group.
- equality of variancenoun
- Different groups have the same average squared spread of scores around their own means.
- equality stagenoun
- Piaget proposed a childhood stage, roughly ages eight to ten, when fairness means treating everyone alike.
- equated scorenoun
- A test result is converted so its score distribution matches selected features of another test's distribution.
- equationnoun
- A math statement showing two amounts or expressions are equal, often used to model relationships between variables.
- equilibrationnoun
- Children regain mental balance by fitting new experiences into old ideas or changing those ideas.
- equilibratory sensenoun
- The ability to sense balance helps maintain body position and depends partly on motion detectors inside the ears.
- equilibriumnoun
- A stable balance where a person or system stays steady unless something pushes it to change.
- equilibrium model of group developmentnoun
- A theory proposes that groups change over time while repeatedly returning toward balance between competing needs or forces.
- equilibrium potentialnoun
- A membrane voltage exactly balances a particular ion's concentration-driven movement, leaving no net flow of that ion.
- equilibrium-point modelnoun
- A movement theory proposes that the nervous system sets a limb's destination by specifying a balance between opposing muscles.
- equine-assisted psychotherapy (EAP)noun
- A mental health professional and horse specialist include guided activities with horses in psychological treatment.
- equipercentile methodnoun
- Researchers link scores on two measures by matching positions with the same percentage of scores falling below them.
- equipment automationnoun
- The degree of independent machine operation indicates how little direct human involvement its tasks require.
- equipment designnoun
- Designers shape tools, machines, displays, and controls around human abilities and needs for safe, comfortable, efficient use.
- equipotentialitynoun
- Lashley's historical hypothesis proposed that broad brain regions share abilities, allowing remaining areas to take over lost functions.
- equity stagenoun
- Piaget proposed a stage, beginning around eleven, when children judge fairness by considering people's circumstances and intentions.
- equity theoryphrase
- People judge fairness by comparing what they get from work with what they put in, and with others.
- equivalencenoun
- Two measures are interchangeable when they give the same meaning or result.
- equivalence classnoun
- A learned stimulus group allows self-matching, reversed matching, and matching through linked members, supporting substitution among them.
- equivalence paradoxnoun
- Different methods can produce surprisingly similar results despite starting from different assumptions or using different procedures.
- equivalency testnoun
- An assessment checks whether someone's knowledge meets an educational standard, even without completing the usual courses.
- equivalent formnoun
- A different version of a test uses other questions designed to match its content and measurement properties.
- equivalent stimulusnoun
- A cue can substitute for another within learned relationships that support self-matching, reversed matching, and matching through linked cues.
- equivalent-forms reliabilitynoun
- The correlation between scores on comparable test versions indicates how consistently those versions measure the same ability or characteristic.
- equivalents methodnoun
- A participant changes a comparison stimulus until it seems to match a fixed reference stimulus.
- equivocal death analysisnoun
- Investigators reconstruct someone's mental state before death to help understand unclear circumstances surrounding how the person died.
- equivocal signnoun
- A subtle observation may suggest a neurological problem but also occurs in people without such problems.
- ERabbreviation
- A brain signal measured after a specific stimulus, showing how the nervous system reacted.
- ERAabbreviation
- A proposed U.S. constitutional change to guarantee equal legal rights regardless of sex.
- erectadjective
- Something stands upright or vertical, especially when describing body posture or the position of hairs.
- erectile dysfunctionnoun
- Trouble getting or keeping an erection firm enough for sex, often from body or stress causes.
- eremophilianoun
- An older clinical label describes a desire for solitude considered extreme enough to disrupt a person's life.
- erethismnoun
- Unusually strong sensitivity or excitability makes sensory input or emotional events provoke heightened reactions, sometimes including irritability.
- ERFabbreviation
- An event-related magnetic field is a measurable change in brain magnetism linked to a specific mental event.
- ERGnoun
- An inborn motive that pushes a person toward certain goals and supplies the energy to pursue them.
- ERG theoryphrase
- A work motivation idea that groups needs into survival, relationships, and personal growth.
- ergasiologynoun
- Adolf Meyer's historical approach explains behavior through interacting biological, psychological, and social influences on the whole person.
- ergativenoun
- A verb allows the same affected thing to appear as its object or subject, as with melting butter.
- ergic traitnoun
- A motivational personality trait drives a person to work toward a particular goal.
- ergodicitynoun
- A process has this property when averages across individuals match averages from one individual observed over a sufficiently long time.
- ergographnoun
- An instrument records muscular work across repeated efforts, allowing researchers to examine work capacity and fatigue.
- ergomanianoun
- A compulsive drive to work excessively makes stopping difficult and can strain health and relationships.
- ergometrynoun
- The amount of physical work muscles perform is measured while task demands vary.
- ergonomic trapsnoun
- Design features that conflict with human habits or abilities make mistakes and accidents more likely.
- ergonomicsnoun
- This field designs tools, tasks, and systems around human strengths and limits to support safe, effective use.
- ergonovinenoun
- An ergot-derived medicine stimulates uterine contractions and is used to help control bleeding after childbirth.
- ergot alkaloidnoun
- A biologically active chemical from grain-infecting ergot fungi can affect circulation, muscle activity, or mental functioning.
- ergot derivativenoun
- A substance obtained from or developed using ergot alkaloids can affect nerve signaling, blood vessels, or uterine muscles.
- ergotaminenoun
- An ergot-based medicine treats migraine attacks and can narrow blood vessels.
- ergotherapynoun
- In this usage, treatment uses muscular exercise to help manage illness or restore functioning.
- ergotropicadjective
- This describes a capacity or tendency to spend energy on activity, effort, or work.
- Erhard Seminar Training (est; EST)noun
- A controversial group training program introduced by Werner Erhard in 1971 claimed to expand awareness and encourage personal change.
- Erichsen’s diseasenoun
- A historical diagnosis described back pain and other symptoms following railway accidents, with debated physical and psychological explanations.
- Ericksonian psychotherapynoun
- A therapy developed by Milton Erickson uses hypnosis, indirect suggestions, and stories to help people access personal resources.
- Eriksen flankers tasknoun
- An attention test asks people to choose a response to a target while nearby distractors suggest matching or conflicting responses.
- ERISAabbreviation
- A 1974 United States federal law established protections for participants in private employer pension and benefit plans.
- erogenous zonenoun
- A body area can produce sexual feelings or pleasure when stimulated.
- Erosnoun
- Freud proposed a life-oriented drive supporting survival, sexuality, connection, and growth.
- erosionnoun
- Gradual wearing away of a body surface or other material from repeated use, pressure, or irritation.
- erotic asphyxiationnoun
- Sexual pleasure or arousal is linked to restricted breathing during sexual activity, a practice that can be fatal.
- erotic delusionnoun
- A firmly held false belief says another person loves you or has shared a sexual relationship with you, despite contrary evidence.
- erotic feminismnoun
- A feminist perspective views women’s sexual expression as a way to challenge exploitation and male control.
- erotic instinctnoun
- Psychoanalytic theories propose a drive toward sexual satisfaction, sometimes broadened to include survival, love, and growth.
- erotic lovenoun
- Some classifications describe a form of love marked by strong sexual excitement.
- erotic paranoianoun
- An older diagnostic label describes persistent delusions that someone loves the person or has shared a sexual relationship with them.
- erotic plasticitynoun
- Sexual desires and behaviors differ in how much they are influenced by culture, social experiences, and circumstances.
- erotic pyromanianoun
- Sexual excitement is associated with watching large fires or setting them.
- erotic typenoun
- Freud’s historical personality classification proposed a type focused on giving and receiving love, with sexual energy centered in the id.
- eroticanoun
- Art, writing, or other creative material explores sexuality and sexual love in ways that can stir feeling or arousal.
- eroticismnoun
- Sexual excitement or pleasure can be experienced personally or expressed through qualities, themes, and images in art.
- eroticizationnoun
- A body area, bodily function, object, or activity becomes associated with sexual pleasure or meaning.
- erotismnoun
- Sexual pleasure and arousal, or their expression in artistic material, are described by this alternative name for eroticism.
- erotizationnoun
- Sexual pleasure or significance becomes attached to a bodily region, function, sensation, or activity.
- erotogenesisnoun
- Classical psychoanalysis proposed that sexual impulses arise from bodily sources, including the mouth, anus, and genitals.
- erotogenicadjective
- This describes something that can bring about sexual feelings or bodily sexual responses.
- erotogenic masochismnoun
- Freud’s theory proposed that some aggressive or death-directed energy remains aimed inward after becoming bound with sexual energy.
- erotographomanianoun
- An older term describes a difficult-to-control urge to repeatedly write sexual material or create sexual drawings.
- erotolalianoun
- Sexually explicit or obscene speech is used especially to increase pleasure during sexual activity.
- erotomanianoun
- Someone holds a fixed, false conviction that another individual romantically loves them or previously shared sexual intimacy with them.
- erotomanic delusionnoun
- An unshakable false belief involves another person’s love or an imagined sexual relationship, even when evidence contradicts it.
- erotophonophilianoun
- Sexual arousal is associated with murdering another person, particularly a sexual partner.
- ERPabbreviation
- A therapy for OCD that exposes feared triggers while stopping the usual ritual response.
- ERP measure of attitudesnoun
- An event-related potential measure estimates attitudes from brain electrical responses when something appears among positively or negatively evaluated items.
- ERP measures of intelligencenoun
- Event-related potential measures examine brain electrical responses to tasks or stimuli for patterns associated with intelligence test performance.
- errornoun
- A mismatch between what was observed, remembered, or measured and what is actually true or expected.
- error analysisnoun
- A systematic investigation examines how human abilities, actions, and equipment design contribute to mistakes during work or system operation.
- error methodnoun
- A perception research method lets participants adjust a changing stimulus until it seems to match a fixed comparison.
- error of anticipationnoun
- During gradually increasing sensory tests, someone reports detecting a stimulus because they expect it, before actually sensing it.
- error of commissionnoun
- A mistake occurs when someone takes an incorrect action or adds an unnecessary one.
- error of habituationnoun
- During stepwise sensory testing, someone keeps giving the same detection answer after the changing stimulus should prompt a different answer.
- error of omissionnoun
- A mistake occurs because someone leaves out an action needed to complete a task correctly.
- error of refractionnoun
- The eye bends incoming light so that it fails to focus accurately on the retina, making vision less clear.
- error ratephrase
- How often mistakes happen in a set of measurements, recordings, or statistical decisions.
- error scorenoun
- The gap between a person's obtained test score and the score predicted for them.
- error sum of squaresnoun
- A statistical total adds squared differences between observed values and their model predictions, measuring variation the model leaves unexplained.
- error termnoun
- A statistical equation includes this part to represent variation in an outcome that its predictors cannot explain.
- error variancenoun
- The part of a score caused by random influences and measurement mistakes, not the trait being measured.
- error-choice techniquenoun
- An indirect attitude test uses guesses on difficult factual questions, assuming people favor answers that match their views.
- errorless learningnoun
- A teaching method guides learners toward correct responses while preventing mistakes that might interfere with remembering.
- erythema multiforme majornoun
- An immune reaction, often following infection, causes a skin rash and affects moist linings such as the mouth.
- erythro- (erythr-)prefix
- This word part adds the meaning red to scientific and medical words.
- erythropoietinnoun
- A protein hormone made mainly by the kidneys signals bone marrow to produce more red blood cells.
- erythropsianoun
- A change in color vision makes things look unusually red or covered by a reddish tint.
- Esalen Institutenoun
- An educational center established in California in 1962 offers experiential workshops exploring personal growth, relationships, and well-being.
- ESBabbreviation
- Short for brain electrostimulation, this method applies electrical stimulation to selected brain regions to investigate their functions.
- escalating aggressionphrase
- Hostile behavior that grows more intense over time, sometimes ending in physical violence.
- escalating commitmentnoun
- People keep investing more resources in a failing plan, often hoping to recover what they already spent.
- escape behaviorphrase
- Actions or thoughts used to stop something unpleasant that is already happening right now.
- escape conditioningphrase
- Learning happens when a behavior ends something unpleasant right after it starts.
- escape from freedomphrase
- Erich Fromm proposed that people may seek relief from isolation by surrendering individuality and conforming to others.
- escape from realityphrase
- A person uses fantasy as a psychological defense against everyday difficulties or inner conflicts.
- escape into illnessphrase
- A historical psychoanalytic explanation proposes that symptoms or attention to physical complaints can unconsciously help someone avoid emotional conflict.
- escape mechanismnoun
- A psychological defense automatically reduces anxiety from conflict or stress, often without the person realizing it.
- escape titrationnoun
- In an experiment, an animal's response lowers a steadily intensifying unpleasant stimulus by a fixed amount.
- escapismnoun
- People turn toward enjoyable or comforting imagined experiences to take a break from real life.
- Eskalithnoun
- A brand name identifies lithium medication, a mood stabilizer used in treating bipolar disorder.
- ESLabbreviation
- This abbreviation names English instruction for learners whose first language is different, emphasizing practical language skills.
- ESMabbreviation
- The experience-sampling method collects reports of people's current thoughts and feelings at selected moments during everyday life.
- esophageal speechnoun
- Speech uses air released from the food pipe to vibrate nearby throat tissue instead of relying on the voice box.
- esophorianoun
- An eye tends to drift inward when the two eyes are prevented from combining their views into one image.
- esotropianoun
- An eye points inward toward the nose during viewing, leaving the eyes visibly out of alignment.
- ESPabbreviation
- Extrasensory perception is the proposed ability to learn about events without using known senses; its existence remains unestablished.
- ESP cardsnoun
- A deck of 25 cards, with five repeating symbols, is used to investigate claims of extrasensory perception.
- ESP forced-choice testnoun
- An experiment investigating extrasensory perception restricts guesses to listed options so accuracy can be compared with chance.
- ESP free-response testnoun
- An experiment investigating extrasensory perception allows unrestricted guesses, which judges compare with possible targets for similarity.
- espantonoun
- Some Latin American cultural traditions describe distress after a fright through the belief that a person's soul has departed.
- esprit de corpsnoun
- Group members share strong belonging, enthusiasm, commitment, and confidence in what they can accomplish together.
- ESSabbreviation
- An evolutionarily stable strategy resists replacement by rare alternatives and can involve a lasting mix of behaviors within a population.
- ESSBabbreviation
- Electrical brain self-stimulation lets an individual activate current through implanted electrodes, often to study the brain's reward systems.
- essencenoun
- The deepest qualities believed to make a person or thing what it truly is.
- essential amino acidnoun
- A protein building block must come from food because the body cannot make enough to meet its needs.
- essential fatty acidnoun
- A fat building block must be supplied by food because the body cannot produce it itself.
- essential hypertensionphrase
- High blood pressure with no clear medical cause, shaped by genes, habits, and stress.
- essential propertynoun
- A defining feature is necessary for something to be the kind of thing it is.
- essential tremorphrase
- An inherited shaking problem often affecting arms, head movements, or speech, usually without other serious brain signs.
- essentialismnoun
- A philosophical view holds that certain things have necessary core features that determine what they are.
- ESTabbreviation
- A shortened form for electroconvulsive therapy, a treatment that uses controlled electric current to trigger a seizure.
- establishing operationnoun
- An event increases a consequence's power to reinforce or punish behavior, changing the likelihood of related actions.
- estazolamnoun
- A benzodiazepine medicine helps treat insomnia over brief periods by slowing activity in the central nervous system.
- esteem neednoun
- In Maslow's theory, people seek achievement, competence, and respect to support their sense of personal worth.
- Estes–Skinner procedurenoun
- An experiment measures how a cue predicting something unpleasant reduces an ongoing behavior that normally earns a reward.
- esthesiometry (aesthesiometry)noun
- Researchers measure touch sensitivity by testing how light a contact someone notices or how closely spaced contacts remain distinguishable.
- estimatenoun
- A best guess about a group's true value based on the data you collected.
- estimating functionnoun
- A mathematical rule combines sample observations with an unknown population value to help estimate that value.
- estimationnoun
- Using sample data to roughly figure out a population value, while showing how uncertain the estimate is.
- estimatornoun
- A number computed from sample data to approximate the matching value in the whole population.
- estimatorsnoun
- Mental processes help a person judge how many items a collection contains.
- estradiolnoun
- A powerful naturally occurring estrogen hormone is produced chiefly in the ovaries, with other tissues also contributing.
- estrangementnoun
- Someone becomes emotionally distant from others, sometimes greatly reducing or ending contact with people who were once close.
- estrogennoun
- A member of this steroid hormone family helps regulate reproduction and sexual development, with additional effects throughout the body.
- estrogen antagonistnoun
- A substance weakens or blocks estrogen's effects in tissues that normally respond to this hormone.
- estrogen replacement therapynoun
- Treatment supplies estrogen to ease symptoms caused by reduced hormone production, including symptoms occurring around menopause.
- estronenoun
- A naturally occurring estrogen hormone is made in the ovaries and elsewhere and can be used medically.
- estrous cyclenoun
- Many female mammals undergo a repeating reproductive cycle that includes a period of increased readiness to mate.
- estrusnoun
- During this reproductive phase, a female mammal becomes sexually receptive and more likely to accept mating.
- eszopiclonenoun
- A nonbenzodiazepine sleep medicine treats insomnia by strengthening GABA's slowing effect on brain activity.
- etanoun
- A statistic showing how strongly two variables are related, even when the pattern is curved.
- eta squarednoun
- This effect size measures the share of total outcome variation associated with a factor or set of factors.
- ethanolnoun
- The alcohol in alcoholic drinks slows brain activity and can change mood, judgment, memory, and movement.
- ethchlorvynolnoun
- This older, fast-acting sleep medicine fell out of medical use because of serious safety problems and misuse potential.
- ethernoun
- This older anesthetic drug was used to produce unconsciousness during surgery and can alter perception as its effects develop.
- etherealadjective
- In historical smell classifications, this describes an odor category associated with fruity or wine-like smells.
- ethical codephrase
- A set of rules that guides psychologists to act responsibly and protect clients and research participants.
- ethical conflictnoun
- A situation where a psychologist faces competing duties or values and any choice may risk doing harm.
- ethical consumerismnoun
- People practice this by choosing what to buy and use according to their moral or social values.
- ethical determinismnoun
- This philosophical position proposes that truly knowing what is morally good necessarily leads a person to do it.
- ethical dilemmaphrase
- A person must choose between actions when two important moral rules point in different directions.
- ethical imperativenoun
- A moral rule or action is regarded as something a person must follow or carry out.
- ethical judgmentnoun
- A person decides what is morally right or wrong, often when competing values make the choice difficult.
- ethical nihilismnoun
- This philosophical position holds that no moral principles are valid.
- ethical principle orientationnoun
- In Kohlberg's proposed sixth stage, people judge actions using ethical principles they choose independently of group rules.
- ethicsnoun
- Shared rules about right and wrong behavior that guide decisions in research, practice, and everyday life.
- ethics committeephrase
- A mixed-profession group in an institution that advises on hard moral choices in patient care and policy.
- ethics of animal researchnoun
- These moral questions concern whether and how nonhuman animals should be studied, including their care and treatment.
- ethinamatenoun
- This older alcohol-derived sleep medicine has serious toxicity and misuse risks that limit its medical use.
- ethmocephalynoun
- This rare condition present at birth affects nasal development, often producing a tube-shaped nose with absent nostril openings.
- ethmoid fossanoun
- This small hollow in the skull base accommodates the olfactory bulb, a brain structure involved in smell.
- ethnicadjective
- Describing people who share a common culture, language, ancestry, and sometimes religion.
- ethnic biasnoun
- Unfair treatment based on ethnicity, or a test's unequal measurement across ethnic groups, can disadvantage people.
- ethnic cleansingnoun
- An organized campaign forcibly removes an ethnic population from an area, often through intimidation, detention, or killing.
- ethnic driftnoun
- A person's connection to an ethnic minority identity gradually changes or weakens, often through contact with a dominant culture.
- ethnic groupnoun
- People identify with shared cultural roots, which may include ancestry, language, traditions, or a common history.
- ethnic identityphrase
- A person's sense of who they are based partly on belonging to a particular ethnic group and its culture.
- ethnic psychologynoun
- This field examines how ethnic groups' cultural and social circumstances shape members' thoughts, experiences, and behavior within a society.
- ethnic researchnoun
- These studies investigate the backgrounds of people belonging to different ethnic, racial, and cultural groups.
- ethnicitynoun
- A person's group membership based on shared culture, ancestry, and history, such as language, values, and traditions.
- ethnocentrismnoun
- Seeing your own cultural group as normal and better, then judging other groups by those standards.
- ethnographic approachnoun
- Researchers understand a community's way of living through extended residence, learning its language, observation, and participation.
- ethnographynoun
- Studying a culture by watching people in their real setting and often joining daily activities.
- ethnolinguisticsnoun
- This field explores how language connects with a community's culture, social life, and ways of understanding the world.
- ethnologynoun
- This field compares and analyzes human societies and cultures, including how they have developed through history.
- ethnomethodologynoun
- This approach studies the everyday rules and shared understandings people use to make social situations meaningful and orderly.
- ethnopsychologynoun
- This branch of psychology examines how ethnic communities' cultural, linguistic, and social settings influence members' experiences and behavior.
- ethnopsychopharmacologynoun
- This field investigates ethnic and cultural differences in how people use and respond to mind-affecting drugs, and why.
- ethogramnoun
- A detailed catalog describes an animal's observable actions, usually in its natural setting, without guessing their meaning.
- ethologically oriented universalnoun
- In Lonner's proposed classification, this is a psychological feature shared across cultures and linked to human evolutionary history.
- ethologynoun
- This science investigates animal behavior, especially in natural surroundings, using observation, comparison, and experiments.
- ethosnoun
- The characteristic values and attitudes of a person, group, place, or era give it a recognizable spirit.
- ethosuximidenoun
- This medicine belongs to the succinimide family and treats absence seizures, which briefly interrupt awareness.
- ethotoinnoun
- This medicine belongs to the hydantoin family and was developed to help control epileptic seizures.
- ethyl alcoholnoun
- Another name for ethanol, this drink ingredient slows brain activity and affects feelings, thinking, and coordination.
- eticadjective
- Using the same culture ideas across all groups, assuming they apply everywhere.
- etiologynoun
- The causes and course of a disorder over time.
- Etrafonnoun
- This medication name identifies a combination of amitriptyline and perphenazine historically used for depression occurring alongside anxiety.
- ETSabbreviation
- A major nonprofit organization that develops and gives many educational and professional tests.
- etymologynoun
- This study traces where words and meaningful word parts came from and how they changed over time.
- eu-prefix
- This word beginning contributes a meaning of good or well to the word it forms.
- eudaimonic well-beingnoun
- A sense of living well grows from meaningful purpose and developing one's abilities and potential.
- eudemonia (eudaemonia)noun
- Happiness or human flourishing serves as a guide to morality and a reason for acting in certain ways.
- eudemonism (eudaemonism)noun
- This philosophical view grounds morality in happiness or flourishing, treating actions that promote it as good.
- euergasianoun
- Adolf Meyer used this historical label for mental functioning, or combined mental and biological functioning, considered normal.
- eugenicadjective
- In historical heredity theories, this described an influence claimed to improve the inherited traits of future generations.
- eugenicsnoun
- This discredited ideology sought to reshape human inheritance by controlling reproduction according to biased judgments about desirable traits.
- Euler diagramnoun
- This drawing uses regions to show relationships among sets, displaying relevant overlaps without requiring every possible combination.
- eumorphicadjective
- In historical body-type classifications, this described a build judged to have typical proportions and structure, roughly resembling an athletic build.
- eunuchnoun
- This historical designation describes a person whose testes were removed, especially before puberty, affecting later physical development.
- euphenicsnoun
- These interventions change environmental conditions, such as diet, to reduce a genetic condition's effects without changing the underlying genes.
- euphorianoun
- An unusually intense feeling of happiness and well-being, often seen in mania or caused by drugs.
- euphoriantnoun
- A substance with this effect can produce intense happiness or a powerful feeling that everything is going well.
- euphorogenicadjective
- An event or medication with this property brings about unusually intense happiness and feelings of well-being.
- eureka tasknoun
- Researchers use this kind of problem to study sudden insight, with solutions that usually require an unexpected shift in thinking.
- European Federation of Professional Psychologists’ Associations (EFPPA)noun
- Founded in 1981, this federation brought national psychology organizations together to support European cooperation in training, practice, and research.
- European Federation of the Psychology of Sport and Physical Activitynoun
- A European organization, commonly called FEPSAC, connects national groups studying psychology in sports and exercise.
- eurymorphnoun
- In Eysenck’s proposed system, a broadly built person has a body-build index at least one standard deviation below average.
- euryplasticadjective
- In historical body classifications, this adjective describes a short, stocky build resembling Kretschmer’s pyknic category.
- eustachian tubenoun
- An air passage connects the throat with the middle ear, helping keep pressure balanced across the eardrum.
- eusthenicadjective
- An older constitutional classification uses this adjective for a physique considered close to the athletic body type.
- eustressnoun
- A helpful kind of stress that comes from meaningful challenges and can improve growth, learning, and performance.
- euthanasianoun
- A deliberate action ends another person’s or animal’s life, usually with the intention of relieving severe suffering.
- euthymianoun
- A relatively steady, comfortable mood falls outside a manic or depressive episode.
- evaluability assessmentphrase
- A preevaluation review that clarifies a program's goals, key questions, and workable ways to measure results.
- evaluationnoun
- A careful judgment of how good, useful, or successful something is.
- evaluation apprehensionphrase
- Feeling nervous when others are watching may change behavior to seem better to them.
- evaluation interviewnoun
- A workplace discussion reviews an employee’s performance and may include feedback or goals for improvement.
- evaluation objectivenoun
- A specific purpose guides a program review, such as improving delivery or judging results.
- evaluation researchnoun
- Scientific studies examine how well programs or interventions address real-world problems.
- evaluation utilizationnoun
- People use findings from a program review to guide decisions, address problems, and apply useful solutions.
- evaluative priming measurenoun
- An indirect attitude test compares positive and negative judgment speeds after a brief cue to estimate feelings toward that cue.
- evaluative ratingsnoun
- Scores express how people judge objects on qualities such as beauty, pleasantness, or complexity.
- evaluative reasoningnoun
- Critical thinking judges how effective, meaningful, well-supported, or relevant something is.
- evaluatornoun
- A person who judges how well a group, project, institution, or person is doing and gives advice.
- evaluator credibilitynoun
- People affected by a program trust its reviewer’s knowledge, skills, fairness, and responsibility to varying degrees.
- evasionnoun
- In descriptions of illogical thinking, an expected next idea is replaced by a related idea that does not logically fit.
- evenly hovering attentionnoun
- A psychodynamic therapist listens openly to the client’s words and feelings without deliberately favoring particular details.
- eventnoun
- A happening with a clear start and finish that causes or marks some kind of change.
- event history analysisnoun
- Statistical methods examine how long events take to happen and which factors relate to their timing.
- event memorynoun
- Remembering happenings from your daily life draws on episodic memory, bringing back experiences tied to particular places and times.
- event samplingnoun
- An observer records each occurrence of a clearly defined behavior during a chosen observation period.
- event spacenoun
- In the supplied probability sense, this is the collection of possible outcomes that count as a particular event.
- everyday creativitynoun
- People develop fresh ideas and flexible solutions while handling ordinary tasks and situations.
- everyday intelligencenoun
- Practical thinking skills help people handle ordinary challenges, such as comparing prices or finding their way.
- everyday racismnoun
- Routine interactions and practices treat people unfairly because of their actual or perceived racial group.
- evidence-based practice (EBP)phrase
- Using the best research, therapist skill, and a client's culture and wishes to choose care most likely to help.
- evil eyenoun
- A cultural belief holds that an unfriendly or envious look can bring misfortune or illness.
- evirationnoun
- An outdated clinical label described a man’s delusional belief that his body had become female.
- evocative therapynoun
- Jerome Frank’s approach sought to change unwanted behavior by identifying and modifying the personal and environmental factors behind it.
- evoked potential (EP)noun
- A measurable electrical response arises in nervous tissue after a sensory stimulus, such as light or sound.
- evolutionnoun
- Over many generations, living things slowly change, helping explain how different species developed from earlier ancestors.
- evolution of consciousnessnoun
- Scientific accounts examine how the capacity for subjective experience emerged and changed across animal lineages over generations.
- evolution of intelligencenoun
- Thinking and problem-solving abilities change across generations as evolutionary processes shape how organisms meet environmental challenges.
- evolution of the brainnoun
- Brains emerged and diversified through inherited changes in animal nervous systems across many generations.
- evolutionarily stable strategy (ESS)noun
- A strategy, once common in a population, resists replacement by rare alternatives because they gain no lasting reproductive advantage.
- evolutionary aestheticsnoun
- In this theoretical sense, art develops through forces within artistic practice rather than through outside influences.
- evolutionary developmental psychologynoun
- This field uses evolutionary principles to explain human development, including how inherited tendencies interact with childhood environments.
- evolutionary epistemologynoun
- Philosophical approaches explain knowledge through biological evolution or through comparisons between how ideas and organisms survive.
- evolutionary psychologynoun
- This approach studies how natural selection may have shaped mental processes and behavior through challenges faced by ancestors.
- evolutionary theoryphrase
- Explains behavior and mental traits as shaped over generations because they helped ancestors survive and reproduce.
- evolved mechanismnoun
- A brain or mental system was shaped by natural selection because it helped ancestors survive or reproduce.
- ex post facto designnoun
- Researchers examine existing differences or past events to understand outcomes without assigning or controlling the earlier conditions.
- ex post facto evaluationnoun
- A review judges how well an established program has achieved its intended goals.
- ex vivoadjective
- Procedures occur outside the body using living tissue or cells recently removed from an organism.
- ex-prefix
- Placed before a word, it means outside, outward, or on the outer side.
- ex-patient clubnoun
- A support group offers social activities and recovery support to people after discharge from psychiatric hospital care.
- EX/RPabbreviation
- Exposure and response prevention helps people approach obsession triggers while practicing not performing compulsions, usually with therapist support.
- exacerbationnoun
- An existing illness, disorder, or symptom becomes more severe than it was before.
- exact replicationnoun
- Researchers repeat a study using procedures matched as closely as possible to check whether its findings occur again.
- exact testphrase
- Gives the exact chance of results this extreme if no real effect exists.
- exaggerationnoun
- Overstating traits or events, often to defend yourself or justify questionable behavior.
- exaltationnoun
- Intense elation occurs alongside restless activity and reduced restraint, sometimes during mania.
- examinationnoun
- A careful check of a person's body or mind to find health problems or symptoms.
- exaptationnoun
- An existing trait takes on a useful function different from the role for which it originally evolved.
- exceptional childnoun
- An educational label describes a child whose abilities or support needs differ substantially from those typical for their age.
- exceptional creativitynoun
- An ability to produce unusually original work makes important contributions to society.
- exchange relationshipphrase
- A relationship where each person gives benefits expecting something back, rather than helping with no strings attached.
- exchange theorynoun
- A view that relationships develop partly through people's comparisons of rewards, costs, and possible alternatives.
- exchangeabilitynoun
- A quality allows items, methods, or measures to work appropriately across different situations.
- excitabilitynoun
- How easily a neuron or muscle cell responds to stimulation by producing an electrical change.
- excitantnoun
- An agent, such as a substance or stimulus, can bring about a response.
- excitationnoun
- A nerve or muscle cell's electrical response to stimulation, especially when an action potential travels along it.
- excitation patternnoun
- Sound produces a distribution of activity across locations in hearing structures, especially the inner ear and auditory nerve.
- excitation-transfer theorynoun
- A theory proposes that leftover bodily arousal can strengthen a later emotion when its original source goes unrecognized.
- excitatory conditioningnoun
- Learning through pairing makes a cue predict an upcoming stimulus that naturally produces a response.
- excitatory fieldnoun
- A brain region around an activated sensory area participates in that area's response.
- excitatory gradient (excitation gradient)noun
- A graph shows how a learned tendency to respond varies with a stimulus's resemblance to the trained stimulus.
- excitatory neurotransmitterphrase
- A chemical messenger that makes the next neuron more likely to fire an electrical signal.
- excitatory postsynaptic potential (EPSP)noun
- A brief voltage change caused by incoming communication makes a receiving neuron more likely to fire.
- excitatory synapsenoun
- A junction between neurons passes signals that make the receiving neuron more likely to fire.
- excitatory thresholdnoun
- The minimum strength of stimulation needed to start a nerve impulse marks this threshold.
- excitatory–inhibitory processesnoun
- Nervous system processes increase or decrease the likelihood of neural activity, influencing perception, thought, learning, and movement.
- excitementnoun
- A feeling of eager, happy anticipation along with increased mental and body arousal.
- excitement phasenoun
- An initial stage in Masters and Johnson's sexual response model involves increasing sexual arousal and bodily changes.
- excitotoxic lesionnoun
- Damage to nervous tissue occurs when excessive stimulation injures or kills neurons.
- excitotoxicitynoun
- Damage and death of nerve cells caused by too much stimulation, often from excess glutamate, a brain chemical.
- exclusion designnoun
- Tools or systems are designed to make particular human errors nearly impossible by removing features that invite mistakes.
- exclusiveadjective
- Keeping categories fully separate so something cannot fit into both at once.
- excoriation (skin-picking) disordernoun
- Repeated skin picking causes wounds and significant distress or disruption, despite repeated efforts to reduce or stop it.
- excrementnoun
- Solid or partly solid digestive waste leaves the body through bowel movements.
- exculpatory evidencenoun
- Information supports the claim that an accused person did not commit the alleged wrongdoing.
- executivenoun
- A higher-level control system that starts, guides, and checks other mental activities.
- executive areanoun
- A brain region, often within the frontal lobe, is thought to support complex thinking and control of behavior.
- executive attentionnoun
- A person focuses on relevant information while setting aside competing or less useful input.
- executive coachingphrase
- Personalized one-on-one guidance from an outside coach helps managers improve leadership, people skills, and goal achievement at work.
- executive control structurenoun
- In Robbie Case's theory, a mental system represents problems, goals, and possible strategies to guide children's thinking.
- executive dysfunctionphrase
- Trouble planning, organizing, problem solving, and controlling actions, often linked to frontal brain system problems.
- executive functionsphrase
- Mental skills for planning, staying organized, controlling impulses, shifting strategies, and reaching goals, largely managed by the frontal lobes.
- executive leadershipnoun
- People at an organization's highest levels guide, organize, and motivate others to achieve shared goals.
- executive organnoun
- A body organ takes the leading role in carrying out a response to stimulation.
- executive selfnoun
- The experienced self is regarded as the source that directs and carries out voluntary actions.
- executive stagenoun
- Schaie's theory proposes that some middle-aged adults use advanced thinking to manage wider social responsibilities and competing priorities.
- executive stressnoun
- Managers experience strain from responsibility for major choices, employees' performance, and their organization's success.
- Exelonnoun
- A brand name identifies rivastigmine, a medicine used to help manage symptoms of dementia, including Alzheimer's dementia.
- exemplar theorynoun
- A theory proposes that people classify things by comparing them with particular examples stored in memory.
- exemplary damagesnoun
- A court orders an additional payment in a civil case to punish serious wrongdoing and discourage similar behavior.
- exemplificationnoun
- A person presents their behavior to encourage others to see them as especially moral and guided by shared values.
- exercisenoun
- Planned, repeated physical activity done to improve fitness and sometimes support mental health treatment.
- exercise addictionnoun
- Dependence on exercise leads someone to continue despite negative effects and experience withdrawal symptoms when stopping.
- exercise adherencenoun
- A person follows an exercise program consistently, including its planned effort level and session length.
- exercise highnoun
- A strong feeling of happiness or well-being occurs during physical activity or soon afterward.
- exercise intolerancenoun
- Physical symptoms limit a person's ability to exercise at a level expected for their age and condition.
- exercise obsessionnoun
- An overpowering focus on or dependence on exercise interferes with physical health, emotional well-being, or social life.
- exercise playnoun
- Play involves energetic whole-body movements, such as running and jumping, either alone or with others.
- exercise psychologynoun
- A field studies how thoughts, feelings, and behavior influence exercise participation and how exercise affects psychological well-being.
- exercise stress testnoun
- A medical examination monitors heart function and other bodily responses while a person performs physical exercise.
- exercise therapynoun
- Planned, repeated physical activity is used to prevent or manage health problems and improve functioning.
- exercise–behavior modelnoun
- A proposed model links exercise participation to personal tendencies, social background, expected costs and benefits, confidence, and perceived control.
- exhaustionnoun
- Being so extremely tired that thinking, working, or studying becomes much harder.
- exhaustion deathnoun
- A historical name for lethal catatonia described severe agitation that could end in death without an understood cause.
- exhaustion deliriumnoun
- Severe confusion and disrupted awareness occur during extreme exhaustion, often alongside sleep loss, environmental stress, or illness.
- exhaustion stagephrase
- The final stress phase, when the body's resources are used up and coping starts to fail.
- exhaustiveadjective
- Including every possible option or case, with nothing important left out.
- exhaustive searchnoun
- A search checks every candidate before deciding whether a target is present, even if the target appears early.
- exhibitionismnoun
- A tendency to attract notice through conspicuous behavior involves making oneself especially visible to others.
- existencenoun
- The state of being real or present rather than absent or imaginary.
- existential analysisnoun
- A therapeutic approach explores conscious experience, personal meaning, and choices to help people make more deliberate decisions.
- existential anxietynoun
- A painful feeling that comes from realizing you are free, responsible, and will die without guaranteed meaning.
- existential crisisnoun
- A period of deep questioning challenges a person's sense of life's meaning, purpose, or responsibility for choices.
- existential dreadphrase
- A deep fear and sadness about life's meaning and the fact of being human.
- existential intelligencenoun
- A proposed type of intelligence involves considering fundamental questions about existence and humanity's place in the universe.
- existential judgmentnoun
- A philosophical judgment concerns whether something exists, where it comes from, or what it is like.
- existential livingnoun
- In Rogers's theory, a person engages fully with present experience and responds openly and flexibly to new situations.
- existential neurosisnoun
- A historical concept links anxiety and despair to avoiding personal choices, responsibility, and the creation of meaning.
- existential phenomenologynoun
- A philosophical approach examines lived experiences closely to understand what existing in the world means to a person.
- existential psychoanalysisnoun
- A therapeutic approach explores conscious experiences and choices to help people build meaning and take responsibility for their lives.
- existential psychologynoun
- An approach to psychology emphasizes each person's unique experience, personal meaning, freedom to choose, and responsibility for choices.
- existential psychotherapynoun
- A therapy approach helps people explore present experiences, create personal meaning, and accept responsibility for their choices.
- existential vacuumnoun
- In Frankl's theory, difficulty discovering personal meaning leaves someone feeling empty, disconnected, or without direction.
- existential–humanistic therapynoun
- A therapy approach considers the whole person, emphasizing personal experience, freedom, growth, and choices about life's direction.
- existentialismnoun
- A philosophical movement explores individual existence, freedom, responsibility, and the challenge of creating meaning amid uncertainty.
- exit interviewphrase
- A final meeting with a departing worker to learn why they are leaving and improve the workplace.
- exo- (ex-)prefix
- This word beginning indicates that something lies outside or has an outward or external relationship.
- exocrine glandnoun
- A gland releases substances through a duct onto a body surface or into a body cavity.
- exogamynoun
- A marriage practice involves choosing a spouse beyond one's family network, religious community, or other social group.
- exogenousadjective
- Coming from outside the body or caused by outside influences rather than internal ones.
- exogenous attentionnoun
- Attention shifts automatically when something noticeable in the surroundings captures it without a deliberate decision.
- exogenous cuenoun
- An external signal automatically pulls attention toward its location, often through a sudden appearance outside the center of vision.
- exogenous depressionnoun
- An older label describes an episode of major depression thought to begin in response to stressful life events.
- exogenous variablenoun
- A model uses this variable as an input whose value comes from influences the model does not explain.
- exonnoun
- A section of a gene corresponds to RNA that remains after processing, sometimes carrying instructions for making protein.
- exophorianoun
- An eye tends to drift outward when the two eyes cannot combine their views to maintain alignment.
- exophthalmosnoun
- An eyeball protrudes unusually far forward from its socket, sometimes in connection with thyroid disease.
- exopsychicadjective
- This describes mental activity proposed to have effects beyond the person experiencing it.
- exorcismnoun
- A religious ritual aims to remove spirits believed to occupy a person or place.
- exosomatic methodnoun
- Researchers apply a small external electrical current to measure skin resistance as an indicator of physiological arousal.
- exosystemnoun
- In ecological development theory, settings outside a person's direct participation influence development by changing their immediate surroundings.
- exotropianoun
- One or both eyes turn outward instead of staying aligned on the same target.
- expabbreviation
- This abbreviation denotes the exponential function, with exp(x) usually meaning e raised to the power x.
- expanded consciousnessnoun
- A person feels their awareness has become broader or newly opened, sometimes during meditation, mystical experiences, or drug effects.
- expansionnoun
- Writing a math or statistics function as a series of added parts.
- expansion of morbiditynoun
- A proposed population pattern involves illness or disability lasting longer because death is postponed more than their onset.
- expansive delusionnoun
- A firmly held false belief gives someone an exaggerated sense of their own power, importance, identity, or abilities.
- expansive moodphrase
- A person feels unusually powerful, important, or limitless, showing inflated self-confidence.
- expansivenessnoun
- A personality tendency combines unusually abundant talk, excessive friendliness, high activity, and limited restraint.
- expectancynoun
- A learned belief that certain actions or cues will likely lead to a certain result.
- expectancy effectphrase
- What someone expects can change how another person, or even they themselves, actually behaves.
- expectancy theoryphrase
- Work effort grows when people expect performance will lead to valued rewards.
- expectancy wavenoun
- A slow negative electrical brain signal develops between a warning and an action signal, reflecting anticipation or readiness.
- expectancy-value modelnoun
- A theory proposes that motivation depends on how much an outcome matters and how likely success seems.
- expectationnoun
- A feeling of tense anticipation about what you think is about to happen.
- expectation-states theorynoun
- A theory explains group status through expectations of competence shaped by relevant abilities and unrelated social stereotypes.
- expected frequencyphrase
- The number of cases a theory predicts should fall in each group.
- expected valuenoun
- A calculated average weights each possible value of a random quantity by its probability.
- experiencenoun
- Something a person actually lives through, rather than only imagining or thinking about.
- experience-dependent processnoun
- The brain changes in response to a person's particular experiences, supporting learning and adaptation throughout life.
- experience-expectant processnoun
- Developing brain circuits depend on common experiences, such as visual input, during particular periods to develop typically.
- experience-sampling method (ESM)noun
- Researchers repeatedly ask participants about their current thoughts, feelings, or activities at selected moments during everyday life.
- experiencernoun
- In grammar, this meaning role identifies the being who senses or feels what a sentence describes.
- experiential family therapynoun
- A family therapy approach uses immediate feelings, intuition, and genuine interaction to explore relationships and encourage change.
- experiential historynoun
- A person's background includes the relationships, surroundings, actions, and events they encounter across their lifetime.
- experiential knowledgenoun
- Understanding and practical skill develop from personally living through situations, beyond what formal teaching provides.
- experiential learningnoun
- People gain knowledge or skills through directly taking part in activities and working with their experiences.
- experiential psychotherapynoun
- A family of therapies encourages directly engaging with feelings and experiences during sessions to support change and self-understanding.
- experiential subtheorynoun
- Sternberg's intelligence theory proposes that creative ability involves handling unfamiliar tasks and making familiar task steps automatic.
- experimentnoun
- A controlled study changes one factor and measures another to test whether the first truly causes the second.
- experiment-wise alpha levelnoun
- Researchers set this limit for the probability of any false positive across a study's collection of statistical tests.
- experiment-wise error ratenoun
- This probability measures whether one or more false positives occur anywhere among a study's statistical tests.
- experimental aestheticsnoun
- Researchers use experiments to investigate how people respond to beauty, art, natural objects, and features such as color.
- experimental analysis of behaviornoun
- An experimental approach studies how environmental experiences, especially reinforcement arrangements, change an individual's behavior.
- experimental attritionnoun
- Participants leave or become unavailable during a study, reducing the sample and potentially changing what its results represent.
- experimental conditionnoun
- A specific treatment or situation is deliberately arranged by researchers to examine its effects on a measured outcome.
- experimental controlphrase
- Keeping all factors except the one being tested as constant as possible.
- experimental designphrase
- A study plan that sets procedures so researchers can test variables fairly and draw trustworthy conclusions.
- experimental epilepsynoun
- Researchers induce repeated seizures in nonhuman animals using electrical, chemical, or sensory stimulation to study seizure activity.
- experimental ethicsnoun
- Values and standards guide responsible study design, treatment of participants, research conduct, and reporting of results.
- experimental groupphrase
- In a study, these participants get the treatment being tested so researchers can compare their results.
- experimental hypothesisnoun
- A testable prediction states what a researcher expects to happen when particular conditions are changed in an experiment.
- experimental manipulationphrase
- Changing a cause being tested, called an independent variable, to see how it changes results.
- experimental methodnoun
- Researchers deliberately change one factor while controlling others to test predictions and investigate cause and effect.
- experimental neuropsychologynoun
- This research field investigates how nervous system structures and activities relate to thinking and behavior, including differences associated with impairment.
- experimental neurosisphrase
- Severe stress and disorganized behavior caused in animals by impossible or punishing conditioning tasks.
- experimental philosophynoun
- One philosophical approach proposes that brain science can ultimately explain knowledge and thought in biological terms.
- experimental psychologynoun
- This field uses controlled studies to investigate behavior, motivation, and thinking and develop explanations supported by measurements.
- experimental realismnoun
- A study has this quality when participants find it engaging and meaningful enough to respond naturally.
- experimental researchphrase
- A study method that randomly places people into groups and changes one factor to test cause and effect.
- experimental treatmentnoun
- The condition given to a research group to see whether it changes the outcome being measured.
- experimental unitnoun
- The person, group, or object independently assigned an experimental condition is the basic unit receiving that condition.
- experimental variablenoun
- A researcher deliberately changes this factor to investigate whether it affects a measured outcome.
- experimenter biasphrase
- A researcher's expectations can unintentionally influence participants or data, causing systematic errors in study results.
- experimenter driftnoun
- A researcher's methods or interpretations gradually shift without awareness, introducing a consistent bias into study results.
- experimenter effectnoun
- A researcher influences findings through interactions with participants or unintended mistakes in gathering, analyzing, or interpreting information.
- experimenter expectancy effectnoun
- A researcher's expectations unintentionally shape participants' responses through subtle signals, such as facial expressions or tone.
- expert fallacynoun
- This reasoning error treats someone's expertise in one field as a reason to trust their judgments in an unrelated field.
- expert performancenoun
- In this perceptual sense, a person detects very slight differences between two things they see, hear, or otherwise sense.
- expert powerphrase
- The ability to influence others because they believe you have special skill or knowledge.
- expert systemnoun
- A computer program uses explicitly stored human knowledge, often organized as rules, to solve problems requiring specialized judgment.
- expert testimonyphrase
- A qualified witness's court evidence may include opinions to help judge or jury decide facts.
- expert witnessnoun
- A court-approved specialist who explains evidence and gives opinions to help judges or juries decide.
- expert–novice differencesnoun
- Experienced specialists and beginners typically differ in how they approach tasks and how well they perform within a particular field.
- expertisenoun
- Deep skill and knowledge in one area built through long experience and practice.
- expiatory punishmentnoun
- A penalty imposes suffering according to how serious wrongdoing seems, without necessarily connecting the penalty's form to the wrongdoing.
- explained variancephrase
- The share of differences in an outcome that other measured variables can account for or predict.
- explanationnoun
- A reasoned account that makes an event or behavior understandable by pointing to causes, beliefs, or helpful comparisons.
- explanatory modelphrase
- A person's way of explaining an illness, including its causes, expected path, and best treatments.
- explanatory researchnoun
- A study investigates why an observed result or pattern occurs by examining possible reasons and mechanisms.
- explanatory stylephrase
- A person's usual way of explaining why events happen, especially good or bad experiences.
- explanatory variablephrase
- The factor a researcher changes or compares to see if it affects results.
- explantnoun
- A tissue sample removed from an organism is kept growing outside it in a specially prepared setting, often for research.
- explicit attitudenoun
- A person consciously recognizes a fairly lasting positive or negative evaluation of someone or something.
- explicit attitude measurenoun
- An assessment evaluates a person's attitudes while they know those attitudes are being examined, usually through direct questions.
- explicit behaviornoun
- An action can be directly noticed by other people without special equipment or expert knowledge.
- explicit emotion regulationnoun
- A person consciously monitors and deliberately adjusts their emotional responses, including through changing how they interpret a situation.
- explicit memoryphrase
- Stored facts and events you can purposely bring to mind when asked or when needed.
- explicit memory testnoun
- An assessment directly asks someone to consciously remember earlier experiences or identify material they previously encountered.
- explicit prejudicenoun
- A person knowingly holds a negative attitude toward a social group, whether or not they share it openly.
- explicit processnoun
- A mental activity is open to conscious examination, allowing a person to describe accurately how it unfolds.
- exploitative orientationnoun
- Erich Fromm proposed a character pattern of obtaining desired things from others through deception or coercion rather than personal creation.
- exploratory behaviornoun
- People or other animals investigate unfamiliar surroundings through movement and inspection, sometimes without any obvious biological reward.
- exploratory data analysis (EDA)noun
- Researchers examine data for unexpected patterns and possible explanations to develop fresh questions and insights.
- exploratory drivenoun
- An organism feels motivated to investigate its surroundings, possibly from other needs or from an independent urge to explore.
- exploratory factor analysis (EFA)noun
- A statistical method searches related measurements for fewer hidden dimensions that could account for their shared patterns.
- exploratory procedurenoun
- A person uses particular touching movements to discover an object's properties, such as pressing for hardness or rubbing for texture.
- exploratory researchnoun
- Researchers investigate a poorly understood topic to identify possible patterns, relationships, and questions for further study.
- explosive disorderphrase
- A condition marked by repeated sudden anger outbursts that are much stronger than the situation calls for.
- explosive personalitynoun
- An older descriptive label describes repeated, poorly controlled anger and hostility that greatly exceed what the situation would usually provoke.
- exponentnoun
- A small raised number tells how often a base number is used in repeated multiplication.
- exponential curvenoun
- A graph shows a quantity changing by the same multiplicative factor for each equal step along the horizontal axis.
- exponential distributionnoun
- A probability model describes waiting times when an event's instantaneous chance of occurring stays constant while one waits.
- exponential function (exp)noun
- A mathematical rule raises a fixed positive base other than one to a variable power, producing growth or decay.
- exposure and response prevention (ERP; EX/RP)phrase
- A therapy for OCD that has people face triggers and resist rituals until the anxiety gradually drops.
- exposure deafnessnoun
- Hearing decreases after extended contact with loud sound, with temporary or lasting effects depending on the exposure.
- exposure therapyphrase
- A treatment that repeatedly and safely faces feared situations or thoughts so anxiety drops and confidence grows.
- expressed emotion (EE)phrase
- Family criticism, hostility, or overinvolvement toward a person with mental illness, often linked to relapse.
- expressionnoun
- The outward showing of an inner feeling, thought, trait, or state.
- expressionism factornoun
- In psychological studies of art, this style dimension captures how strongly a work emphasizes the artist's intense emotional experience.
- expressive amimianoun
- A person cannot produce appropriate gestures to communicate meaning, even when they intend to convey a message.
- expressive amusianoun
- A person loses the ability to reproduce melodies, usually in association with damage to brain regions involved in music.
- expressive aphasiaphrase
- A brain-language problem that makes speech slow and hard to form, while understanding is often better.
- expressive languagephrase
- The words a person speaks or writes, rather than the words they understand.
- expressive language disordernoun
- A former developmental diagnosis described difficulty learning to communicate through language despite age-appropriate understanding, including trouble with vocabulary and sentences.
- expressive suppressionnoun
- A person deliberately holds back outward signs of an emotion after the emotional response has already begun.
- expressive therapynoun
- Psychotherapy encourages people to explore and express feelings through open discussion or creative activities such as art and movement.
- expressive writingnoun
- Writing exercises help people explore and express personal thoughts and feelings as part of therapeutic work.
- extended carenoun
- A residential service provides nursing around the clock and rehabilitation, often after a hospital stay for an acute health problem.
- extended Cox regression modelnoun
- A statistical model examines time until an event while allowing predictors or their effects on the event rate to change.
- extended familynoun
- Family that includes relatives beyond parents and children, such as grandparents, aunts, uncles, and cousins.
- extended suicidenoun
- A proposed interpretation of murder–suicide links both acts to suicidal intent, with victims perceived by the perpetrator as extensions of self.
- extended-family therapynoun
- Therapy brings immediate family together with additional relatives, such as grandparents or cousins, to work on shared concerns.
- extended-release preparationnoun
- A medicine is specially formulated to release its active substance gradually over a longer period.
- extended-stay reviewnoun
- A hospital care assessment checks whether someone still needs inpatient treatment after their stay reaches a previously set length.
- extensionnoun
- A follow-up study that changes part of an earlier study to see if the findings still hold.
- extension reflexnoun
- An automatic muscle response straightens a limb or extends one of its parts.
- extensional meaningnoun
- A word's meaning is specified by naming the individual things that it includes.
- extensornoun
- A muscle straightens or extends a body part when it tightens.
- extensor motor neuronnoun
- A nerve cell sends signals directly to muscles that straighten or extend a body part.
- extensor posturingnoun
- Severe brain dysfunction can cause a rigid posture with both arms and legs extended and turned inward.
- extensor rigiditynoun
- Muscles that straighten body parts remain unusually tight, sometimes because of damage to movement control systems.
- extensor thrustnoun
- Pressure or stimulation beneath the foot triggers automatic leg straightening that helps support the body during stepping.
- exteriorizationnoun
- A person connects private feelings and attitudes with outside reality or expresses personal ideas outwardly.
- external aimnoun
- In classical psychoanalytic theory, a person, thing, or action is sought as a way to satisfy an instinct.
- external attributionphrase
- Explaining someone's behavior by causes outside the person, such as the situation or other people's actions.
- external auditory meatusnoun
- A passage in the outer ear carries incoming sound toward the eardrum.
- external boundarynoun
- Psychoanalytic theory proposes a dividing line separating the ego, which handles practical demands, from the outside world.
- external capsulenoun
- A thin sheet of insulated nerve fibers lies between two brain structures called the claustrum and putamen.
- external chemical messenger (ECM)noun
- A substance released by one organism affects other organisms, as pheromones do.
- external controlphrase
- Believing that what happens to you is mostly caused by luck, fate, or other people.
- external earnoun
- The ear's outer section includes its visible flap, its canal, and the outward-facing eardrum surface.
- external evaluatornoun
- Someone assesses a program without belonging to its regular staff as a full-time employee.
- external fertilizationnoun
- Sperm joins an egg outside the egg-producing parent's body, forming the first cell of a new organism.
- external genitaliaphrase
- The visible sex organs on the outside of the body, such as the penis or vulva.
- external granular layernoun
- The neocortex's second layer contains small neurons, including granule cells and pyramid-shaped cells.
- external inequitynoun
- Employees receive compensation that is unfair compared with what similar employers would offer for comparable work.
- external locus of controlphrase
- Believing that luck, fate, or other people mostly control what happens to you.
- external pyramidal layernoun
- The neocortex's third layer contains pyramid-shaped neurons, with medium-sized cells nearer its top and larger cells deeper down.
- external rectusnoun
- An eye muscle pulls the eyeball outward, turning the gaze toward the side of the head.
- external reliabilitynoun
- A measurement gives consistent results when repeated at different times or scored by different evaluators.
- external respirationnoun
- An animal exchanges gases with its surroundings by taking in oxygen and releasing carbon dioxide.
- external validityphrase
- Shows whether study findings apply to other people, settings, and times beyond those actually tested.
- external worldphrase
- Everything that exists outside a person's mind and does not depend on their awareness.
- externality effectnoun
- Very young babies tend to examine a shape's outer edges more than its inner details.
- externalizationnoun
- In psychodynamic theory, people may experience their own thoughts or feelings as belonging to the outside world.
- externalizing–internalizingnoun
- A broad classification groups children's difficulties by outward behavior, such as aggression, or inward distress, such as anxiety.
- exteroceptionnoun
- Specialized sensory cells allow a person or animal to detect events and objects in the surrounding environment.
- exteroceptive stimulusnoun
- An event or substance outside an organism activates its senses, such as a ringing bell or a food's flavor.
- exteroceptornoun
- A specialized sensory cell or nerve ending detects input from the surrounding world, such as light or touch.
- extinctionnoun
- A learned behavior or reaction weakens when it no longer gets the expected pairing or reward.
- extinction burstphrase
- When a reward stops, a behavior briefly becomes stronger or more frequent before fading away.
- extirpationnoun
- A procedure removes an entire tissue or biological structure, sometimes to treat a condition or investigate its function.
- extra- (extr-)prefix
- This word beginning adds the meaning of being outside something or beyond its limits.
- extracellular depositnoun
- Material builds up between or around cells and may disrupt nearby tissue, as some protein deposits do in Alzheimer's disease.
- extracellular spacenoun
- The fluid-filled area outside cells' outer membrane, where substances move around the body.
- extradural hemorrhagenoun
- Bleeding occurs beyond the brain's tough outer covering, typically between that covering and the skull after an injury.
- extrafusal fibernoun
- A muscle cell outside the muscle's stretch sensors generates much of the force needed for movement.
- extraneous variablephrase
- Any factor not being studied that can still change the dependent variable, the measured outcome.
- extrapair matingnoun
- In species that form social pairs, an individual mates with someone other than its established partner.
- extrapolationnoun
- Known observations are used to estimate unknown results beyond the conditions, people, or times directly studied.
- extrapsychicadjective
- Something originates beyond a person's mind or involves exchanges between their mind and the surrounding environment.
- extrapsychic conflictnoun
- A person's wishes or needs clash with demands or conditions in their surroundings.
- extrapunitiveadjective
- Someone responds to frustration by directing blame, anger, or hostility toward other people or outside circumstances.
- extrapyramidal dyskinesianoun
- Disrupted movement control circuits cause unwanted or impaired movements, sometimes because of neurological illness or antipsychotic medication.
- extrapyramidal symptoms (EPS)noun
- Some medicines disrupt movement control, producing effects such as muscle stiffness, shaking, sustained contractions, or intense restlessness.
- extrapyramidal tractnoun
- A network including the basal ganglia and related nerve pathways helps coordinate movement, posture, and muscle tension.
- extrasensory perception (ESP)noun
- A proposed ability to gain information without using recognized senses remains unsupported by reliable, repeatable scientific evidence.
- extraspective perspectivenoun
- Researchers study observable actions and responses using evidence that can be checked by others.
- extraspectral huenoun
- A perceived hue, such as purple, requires combined wavelengths because no single wavelength of visible light produces it.
- extrastriate cortexnoun
- Brain surface regions beyond the primary visual area process visual information, including color, form, and motion.
- extrastriate visual areanoun
- A cortical brain region beyond the primary visual processing area helps interpret features such as shape, color, or motion.
- extraterrestrial kidnappingnoun
- A person reports being taken by alien beings, although scientific evidence has not established that such events occur.
- extrauterine pregnancynoun
- A pregnancy develops somewhere beyond the uterus, usually within a fallopian tube.
- extraversion (extroversion)noun
- A personality trait marked by seeking people, activity, and the outside world more than solitude.
- extreme capsule (EmC)noun
- A bundle of insulated brain fibers links frontal, temporal, and parietal regions and may carry information used in language.
- extreme environmentsnoun
- Places with unusually demanding living conditions can challenge people's health, comfort, social relationships, and ability to cope.
- extremely low birth weight (ELBW)noun
- A baby weighing under 1,000 grams when born falls into this birth weight category.
- extremity of an attitudenoun
- The degree to which someone's judgment is positive or negative measures its distance from a neutral position.
- extrinsic eye musclesnoun
- Six muscles attached outside each eyeball work together to turn it within its socket.
- extrinsic motivationphrase
- Doing something because of outside rewards or to avoid punishment, rather than for personal interest.
- extrinsic reinforcementnoun
- An external reward makes a behavior more likely to happen again, beyond any enjoyment the activity itself provides.
- extrinsic religionnoun
- A religious orientation treats religious involvement mainly as a way to gain other benefits, such as belonging or comfort.
- extrinsic rewardphrase
- A benefit given from outside, like money or praise, to increase a behavior.
- extroversionnoun
- A personality trait marked by being outgoing, talkative, and energized by other people.
- eyenoun
- The organ that detects light and sends visual information to the brain.
- eye banknoun
- A specialized facility collects, checks, preserves, and supplies donated eye tissue for suitable transplant recipients.
- eye contactphrase
- Looking directly at another person's eyes during interaction, a social cue that varies across cultures and conditions.
- eye dominancenoun
- A person tends to rely more on one eye for certain visual tasks or when combining both eyes' information.
- eye movementsphrase
- Shifts in where the eyes point, made by muscles around the eyes to track or fix on things.
- eye musclesphrase
- Muscles around and inside the eye move the eyeball and adjust the lens and pupil.
- eye preferencenoun
- One eye is favored over its partner when looking or when the brain weighs incoming visual information.
- eye spannoun
- The amount of text a reader takes in while their eyes pause at one location is their reading eye span.
- eye structurenoun
- The arrangement of the eye's layers, fluids, lens, and other parts allows it to collect light and support vision.
- eye trackernoun
- An instrument measures where someone looks and how their gaze shifts across a scene or display.
- eye-movement cameranoun
- A camera records eye motion so researchers can study where and when the eyes pause during different tasks.
- eye-movement desensitization and reprocessing (EMDR)noun
- A structured therapy helps people process distressing memories while using guided eye movements or other alternating stimulation.
- eye-roll signnoun
- Upward eye movement during falling asleep or hypnosis has been proposed as a clue to responsiveness to hypnotic suggestions.
- eye–hand coordinationnoun
- The brain combines what the eyes see with hand movements to guide actions such as reaching, drawing, and catching.
- eye–voice spannoun
- During reading aloud, this distance counts the characters separating the spoken word from the word currently being viewed.
- eyelash signnoun
- Touching the eyelashes can trigger an eyelid movement that clinicians may observe when assessing a person's responsiveness.
- eyelid conditioningnoun
- Researchers pair a cue with something that naturally causes blinking until the cue alone brings about a learned blink.
- eyewitness memoryphrase
- A person's memory of an event they saw firsthand, which can be important but mistaken.
- eyewitness testimonyphrase
- A witness's sworn court statement about what they remember seeing during the event being questioned.
- EYM Projectabbreviation
- This long-term research project followed married Americans from Black and White backgrounds to examine relationship satisfaction, stability, and divorce.
- Eysenck Personality Inventory (EPI)noun
- A self-report questionnaire measures outgoing tendencies and emotional instability, with an additional scale checking potentially distorted answers.
- Eysenck’s dimensionsnoun
- Eysenck's personality model describes differences using three proposed traits: extraversion, neuroticism, and psychoticism.
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