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external expression of emotion, or emotional response


loss of memory

anorexia nervosa

an eating disorder in which a normal-weight person diets and becomes significantly underweight, yet, still feeling fat, continues to starve

anxiety disorder

an emotional disorder characterized by feelings of apprehension, tension, or uneasiness arising typically from the anticipation of unreal or imagined danger


an absence of emotion or enthusiasm


A pervasive developmental disorder marked by severe impairments in social relationships and communication as well as bizarre behavior patterns.

bipolar disorder

mood disorder with alternating periods of mania and depression

bulimia nervosa

an eating disorder characterized by binge eating followed by purging,vomiting,and depression.


substance from which marijuana is made


An uncontrollable urge to perform an act repeatedly

conversion disorder

condition marked by physical symptoms with no organic basis, appearing as a result of anxiety and unconscious inner conflict

defense mechanism

Unconscious technique (coping mechanism) that a person uses to resolve or conceal conflicts and anxiety.


confused thinking,disorentation,changes in alertness,diffculty paying attention, and fearfulness.


fixed,false beleif that cannot be changed by logical reasoning or evidence.


loss of intellectual abilities with imapirment of memory,judgement, and reasoning as well as changes in personality.


Major mood disorder with chronic sadness,loss if energy,hopelessness,worry,and discouragement and, commonly,suicidal impulses and thoughts.

dissociative disorder

Chronic or sudden disturbance in memory,identity, or cinsciousness, are mulitple personality disorder, psychongenic disorder, amnesia, and fugue.


Central coordinating branch of the personality or mind


Flight from customary surroundinbgs, dissociative disorder.

gender identity disorder

Strong and persistent cross-gendwer identification with the opposite sex.


False sensory perception(hearing voices and seeing things)


Major unconscious part of the personality, energy from instinctual drives and desires


Unstable,undergoing rapid emotional change


Extrene excitement, hyperactive elation, and agitation.

mood disorders

prolonged emotion dominates a person's life


Inability to speak

obsessive-complsive disorder

Anxiety disorder in which recurrent thoughts and repetitive acts dominate behavior


Overly suspicious system of thinking: fixed delusions that one is being harassed, or unfairly treated.


Recurrent intense sexual urge

personality disorder

lifelong personality patterns marked by inflexibility and impairment of social functioning.

pervasive developmental disorders

group of childhood disorders characterized by delays in socialization and communication skills; autism and Asperger syndrome are examples


Irrational or disabling fear (avoidance) of an object or situation

post-traumatic stress disorder

anxiety-related symptoms appear after personal experience of a traumatic event

projective (personality) test

diagnostic personality test using unstructured stimuli (inkblots, pictures abstract patterns, incomplete sentences) to evoke responses that reflext aspects of an individual's personality


a medical doctor who specializes in the diagnosis and treatment of psychological disorders


non medical professional (often PhD or EdD) specializing in mental processes and how the brain functions in health and disease. Areas of inter are clinical psychology, experimental psych and social psych


any severe mental disorder in which contact with reality is lost or highly distorted

reality testing

psychological process that distinguishes fact from fantasy; severely impaired in psychosis


psychological process that distinguishes fact from fantasy.


Chronic psychotic disorder tjat may include hallucinations, disorganized speech and behavior.

sexual disorders

paraphilias and sexual dysfunctions

somatoform disorder

presence of physical symptoms that cannot be explained by an actual physical disorder or other well-described mental disorder such as depression.

substance-related disorder

regular overuse of psychoactive substances (alcohol, amphetamines, cannabis, cocaine, hallucinogens, opoids, and sedatives) that affect central nervous system


Internalized conscience and moral part of the personality

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