Psych Chapter 14 – Flashcards
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medical model
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proposes that it is useful to think of abnormal behavior as a disease, let to more humane treatment
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what is abnormal behavior?
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deviant, maladaptive and personal distress
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deviant
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the behavior deviates from what considers to be normal; may vary from culture to culture
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maladaptive behavior
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impairments of everyday behavior, like using drugs, alcohol, cocaine, when it interferes with a person's social or occupational functioning
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personal distress
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subjective pain and suffering, depression or anxiety
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epidemiology
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the study of the distribution of mental or physical disorders in population
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prevalence
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the percentage of the population that exhibits a disorder during a specified period of time
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lifetime prevalence
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the percent of people that will endura a specific disorder at any time during their lives
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negative stereotypes
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1. psychological disorders are incurable 2. people with psychological disorders are dangerous 3. epopel with psychological disorders behave in bizarre ways
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Psychodiagnosis
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classification of disorders, American psychiatric association, 5 axis
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anxiety disorders
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the class of disorders marked by feelings of excessive apprehension and anxiety
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generalized anxiety disorder
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free-floating anxiety, not tied to a particular threat physical symptoms, more prevalent in women, onset 5%
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phobic disorder
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marked by a persistent and irrational fear of an object or situation that presents no realistic danger, affects daily behavior, only when serious matter usually mild, accompanied by physical symptoms of anxiety, trembling or palpitations
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panic disorder
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characterized by recurrent attacks of overwhelming anxiety that usually occur suddenly and unexpectedly, physical symptoms of anxiety
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obsessive compulsive disorder
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marked by uncontrolled intrusion of unwanted thoughts (obsessions) and urges to engage in senseless rituals (compulsions)
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agoraphobia
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fear of going out in public places
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post traumatic stress disorder
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involves enduring psychological disturbance attributed to the experience of major traumatic event, women experience more than men, nightmares, flashbacks, intensity of one's reaction at the time of the traumatic event
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concordance rate
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indicates the percentage of twin pairs or other pairs of relatives who exhibit the same disorder
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biological factors of anxiety
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1) twin studies say there is a moderate genetic predisposition to anxiety disorders, inherited differences in temperament make people more vulnerable than others to anxiety disorders, inhibited temperament characterized by shyness, timidity, wariness, strong genetic basis 2) anxiety sensitivity may make people more vulnerable to anxiety disorders, highly sensitive, overreact with fear, neurotransmitters , therapeutic drugs appear to alter activity at GABA synapses , abnormalities in neural circuits using serotonin implicated in PTSD and panic and OCD
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Mowrer
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anxiety responses can be acquired though classical conditioning and maintained through operant conditioning, originally neutral stimulus, paired with a frightening event, becomes conditioned stimulus eliciting anxiety. once fear is acquired though classical conditioning, person may start avoiding anxiety-producing stimulus, avoidance response is negatively reinforced because it is followed by a reduction in anxiety, process involves operant conditioning
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Martin Selgiman
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preparedness, people are biologically prepared by their evolutionary history to acquire some fears easier than others, explains why people develop phobias of ancient sources of threat like snakes and spiders, much more readily than modern sources of threat like hot irons or electrical outlets
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evolved module for fear learning
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automatically activated by stimuli related to past survival threats in evolutionary history and is relatively resistant to intentional efforts to suppress resulting fears
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phobic stimulus problems
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people with phobias cant recall or traumatic conditioning experience that led to their phobia, trying to find larger role for cognitive factors
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cognitive factors
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people more likely to suffer with anxiety 1) tend to misinterpret harmless situations as threatening 2) focus excessive attention on perceived threats 3) selectively recall information that seems threatening. when subjects were asked to interpret a statement, anxious people interpreted it as threatening and nonanxious subjects interpreted in less threatening way
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stress
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people with panic disorders had experienced a dramatic increase in stress in a month prior to disorder, stress and anxiety disorders are positively associated
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somatoform disorders
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are physical ailments that cannot me fully explained by organic conditions and are largely due to psychological factors
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somatization disorder
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marked by history of diverse physical complaints that appear to be psychological in origin, mostly in women and coexists with depression and anxiety, have long and complicated history of medical treatment, distinguishing feature, diversity of victims' physical complaints, the patients are very resistant to suggestion that their symptoms are result of physchological distress
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conversion disorder
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characterized by a significant loss of physical function usually in a single organ system, symptoms include partial or complete loss of vision, hearing, paralysis, troubled by more severe ailments than people with somatization disorder, acute onset triggered by stress
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hypochondriasis
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characterized by excessive preoccupation with health concerns and incessant worry about developing physical illness, dont have real illness, skeptical and disbelieving, overinterpret every sign of illness, happens with anxiety disorders and depression
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Etiology of somatofrom disorder
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function of personality and learning
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personality factors
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people with histrionic personality characteristic, self-centered, suggestible, excitable, highly emotional, overly dramatic, trait of neuroticism seems to elevate individuals susceptibility to somatoform disorders, pathological care-seeking behavior see in these disorders, caused by insecure attachment styles
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cognitive factors
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people focus excessive attention on internal physiological processes and amplify normal bodily sensations into symptom of distress, lead them to pursue unnecessary medical treatment, faulty standard of good health
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sick role factors
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physical symptoms reinforced by indirect beliefs derived from their illness, avoid life problems, provide an convenient excuse when people fail, attention from others
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dissociative identity disorder
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involves the coexistence in one person of two or more largely complete, and usually different personalities, multiple personality disorder, have more than one identity, unaware of each other, people usually have a history
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dissociative disorders
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class of disorders in which people lose contact with portions of their consciousness or memory, resulting in disruptions in their sense of identity
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dissociative amnesia
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sudden loss of memory for important personal information that is too extensive to be due to normal forgetting, after people have experienced disasters, accidents, stress, abuse
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dissociative fugue
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people lose their memory for their entire lives along with their sense of personal identity, forget name, address but remember how to drive and do math
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etiology of dissociative disorders
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psychogenic amnesia and fugue attributed to excessive stress, certain personality trains, fantasy, intensely absorbed in personal experiences, more susceptible to dissociative disorders, believe people with multiple personalities are engaging in intentional role playing to use mental illness-face saving excuse for personal feelings
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mood disorders
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class of disorders marked by emotional disturbances of varied kinds that may spill over to disrupt physical, perceptual, social and thought processes, episodic
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unipolar disorder
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experience emotional extremes at just one end of the mood continuum, troubled only by depression
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bipolar disorder
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vulnerable to emotional extremes at both ends of the mood continuum, periods of depression and mania (excitement and elation)
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major depressive disorder
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people show persistent feelings of sadness and despair and a loss of interest in previous sources of pleasure, negative emotions form the heart of the depressive syndrome
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dysthymic disorder
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consists of chronic depression that is insufficient in severity to justify diagnosis of a major depressive episode
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bipolar disorder
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characterized by the experience of one or more manic episodes as well as periods of depression, manic periods, self esteem goes way up, hyperactive
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cyclothymic disorder
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exhibit chronic but relatively mild symptoms of bipolar disturbance
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etiology of mood disorders
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psychological and biological factors
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genetic vulnerability
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twin studies show that genetic factors are involved in mood disorders, hereditary can create a predisposition to mood disorders, environmental factors determine whether this predisposition is converted into an actual disorder, influence of genetic factors appears to be stronger for bipolar disorders than for unipolar disorders
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neurochemical and neuroanatomical factors
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heredity may influence susceptibility to mood disorders by creating a predisposition toward types of neurochemical abnormalities in brain, correlation between mood disorders and abnormal levels of 2 neurotransmitters in brain, norepinephrine and serotonin, low levels of serotonin underlying depression, correlation between depression and reduced hippocampal volume, depression occurs when major life stress causes neurochemical reactions that suppress neurogenesis, reduced hippocampal volume
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cognitive factors
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Martin Seligman-depression is caused by learned helplesness, giving up behavior produced by exposure to unavoidable aversive events, originally considered learned helplessness to be a product of conditioning but revised it with cognitive, pessimistics explanatory style are vulnerable to depression, people who ruminate depression remain depressed longer, NEGATIVE THINKING , negative thinking and depression are linked could be caused by neurochemical changes in brain
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interpersonal roots
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depression-prone people lack social skills, lead to negative emotions and depression, lack of social support, depressed people are depressing
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precipitating stress
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stress creates mood disorders, stress affects how people with mood disorders respond to treatment and whether they relapse or not, people vary in vulnerability to mood disorders
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schizophrenic disorders
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are a class of disorders marked by delusions, hallucinations, disorganized speech, and deterioration of adaptive behavior
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symptoms of schizophrenia
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hears voices, argumentative, aggressive, emotionally volatile, personal hygiene deteriorates,
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symptoms-delusions
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false beliefs that are maintained even though they clearly are out of touch with reality, person's train of thought deteriorates, noticeable deterioration in the quality of a person's routine functioning
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symptoms-hallucinations
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are sensory perceptions that occur in the absence of a real, external stimulus or are gross distortions of perceptual input, hear voices, some victims show little emotional responsiveness, a symptom referred to as flat affect, show inappropriate emotional responses that don't go with the situation
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four types of of schizophrenic disorders
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paranoid type, catatonic type, disorganized type, undifferentiated type
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paranoid type
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dominated by delusions of persecution along with delusions of grandeur, many enemies, feel like they are being watched and manipulated, believe that must be enormously important people, seeing themselves as great inventors
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catatonic type
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is marked by striking motor disturbances, ranging from muscular rigidity to random motor activity, remain virtually motionless and oblivious to the environment, others catatonic excitement, hyperactive, not common
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disorganized type
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a particularly severe deterioration of adaptive behavior is seen, emotional indifference, frequent incoherence, complete social withdrawal, delusions center on bodily functions
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undifferentiated type
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which is marked by idiosyncratic mixtures of schizophrenic symptoms
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negative symptoms
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involve behavioral deficits, such as flattened emotions, social withdrawal, apathy, impaired attention, and poverty of speech
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positive symptoms
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involve the behavioral excesses of peculiarities, such as hallucinations, delusions, bizarre behavior, and wild flights of ideas
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etiology of schizophrenia
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genetic vulnerability, neurochemical factors, structural abnormalities, neurodevelopmental hypothesis, expressed emotions, precipitating stress
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genetic vulnerability
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twins concordance rates higher for identical twins, child born to 2 parents more likely, inherit a polygenically transmitted vulnerability to schizophrenia
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neurochemical factors
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changes in activity of one or more neurotransmitters in the brain, dopamine hypothesis asserts that excess dopamine activity is the neurochemical basis for schizophrenia, weed used in teens, leads to schizophrenia, amplify neurotransmitter activity in dopamine circuits
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structural abnormalities in brain
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deficits in attention, perception and information processing, impairments in short-term memory are prominent, association between enlarged brain ventricles, reflect degeneration of nearby brain tissue, could be consequence of schizophrenia or cause of the illness
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neurodevelopmental hypothesis
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is caused in part by various disruptions in various normal maturational processes of the brain before or at birth, caused by viral infections or malnutrition, minor physical anomalies, would be consistent with prenatal neurological damage
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expressed emotion
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is the degree to which a relative of a patient displays high critical or emotionally over involved attitudes toward patient,high levels of emotion foster high relapse rates for patients suffering mood and anxiety disorders
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precipitating stress
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biological and psychological factors influence individuals' vulnerability, high stress lead to schizophrenic
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personality disorder
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class of disorders marked by extreme, inflexible personality traits that cause subjective distress or impaired social and occupational functioning
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diagnostic problems
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categorical approach- describe personality disorders which assumes people can reliably be placed in discontinuous diagnostic categories, dimensional approach, describe personality disorders in terms of how people score on a limited number of continuous personality dimensions
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antisocial personality disorder
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marked by impulsive, callous, manipulative, aggressive, and irresponsible behavior that reflects a failure to accept social norms, more common in males, lead to crimes, maybe high status people, rarely experience affection ,promiscuous, irresponsible
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etiology of antisocial personality disorder
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biological factors, genetic predisposition, over arousal promotes antisocial disorder, house is erratic, ineffective
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insanity
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legal status that a person cannot be held responsible for his or her actions because of mental illness, M'nagthen rule-insanity exists when a mental disorder makes a person unable to distinguish right from wrong, criminal proceedings
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involuntary commitment
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people are hospitalized in psychiatric facilities against their will, civil proceedings, mental health professionals 1)dangerous to themselves 2)dangerous to others 3)in need of treatment, can authorize temporary commitment
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diagnosis
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involves distinguishing one illness from another
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etiology
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refers to the apparent causation and developmental history of an illness
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prognosis
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a forecast about the probable course of illness
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psychosomatic disease
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genuine physical ailments caused by psychological factors