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16-心理障碍.ppt
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    Myers' PSYCHOLOGY

    Chapter 16

    Psychological Disorders

    Psychological Disorders

    * Psychological Disorder

    * a "harmful dysfunction" in which behavior is judged to be:

    * atypical--not enough in itself

    * disturbing--varies with time and culture

    * maladaptive--harmful

    * unjustifiable--sometimes there's a good reason

    Historical Perspective

    * Perceived Causes

    * movements of sun or moon

    * lunacy--full moon

    * evil spirits

    * Ancient Treatments

    * exorcism, caged like animals, beaten, burned, castrated, mutilated, blood replaced with animal's blood

    Psychological Disorders

    * Medical Model

    * concept that diseases have physical causes

    * can be diagnosed, treated, and in most cases, cured

    * assumes that these "mental" illnesses can be diagnosed on the basis of their symptoms and cured through therapy, which may include treatment in a psychiatric hospital

    Psychological Disorders

    * Bio-Psycho-Social Perspective

    * assumes that biological, sociocultural, and psychological factors combine and interact to produce psychological disorders

    Psychological Disorders

    Psychological Disorders--Etiology

    * DSM-IV

    * American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition)

    * a widely used system for classifying psychological disorders

    * presently distributed as DSM-IV-TR (text revision)

    Psychological Disorders- Etiology

    * Neurotic Disorder (term seldom used now)

    * usually distressing but that allows one to think rationally and function socially

    * Psychotic Disorder

    * person loses contact with reality

    * experiences irrational ideas and distorted perceptions

    Anxiety Disorders

    * Anxiety Disorders

    * distressing, persistent anxiety or maladaptive behaviors that reduce anxiety

    * Generalized Anxiety Disorder

    * person is tense, apprehensive, and in a state of autonomic nervous system arousal

    Anxiety Disorders

    * Panic Disorder

    * marked by a minutes-long episode of intense dread in which a person experiences terror and accompanying chest pain, choking, or other frightening sensation

    Anxiety Disorders

    * Phobia

    * persistent, irrational fear of a specific object or situation

    * Obsessive-Compulsive Disorder

    * unwanted repetitive thoughts (obsessions) and/or actions (compulsions)

    Anxiety Disorders

    * Common and uncommon fears

    Anxiety Disorders

    Anxiety Disorders

    * PET Scan of brain of person with Obsessive/ Compulsive disorder

    * High metabolic activity (red) in frontal lobe areas involved with directing attention

    Mood Disorders

    * Mood Disorders

    * characterized by emotional extremes

    * Major Depressive Disorder

    * a mood disorder in which a person, for no apparent reason, experiences two or more weeks of depressed moods, feelings of worthlessness, and diminished interest or pleasure in most activities

    Mood Disorders

    * Manic Episode

    * a mood disorder marked by a hyperactive, wildly optimistic state

    * Bipolar Disorder

    * a mood disorder in which the person alternates between the hopelessness and lethargy of depression and the overexcited state of mania

    * formerly called manic-depressive disorder

    Mood Disorders-Depression

    Mood Disorders-Depression

    Mood Disorders- Suicide

    Mood Disorders-Bipolar

    * PET scans show that brain energy consumption rises and falls with emotional switches

    Mood Disorders-Depression

    * Altering any one component of the chemistry-cognition-mood circuit can alter the others

    Mood Disorders-Depression

    * The vicious cycle of depression can be broken at any point

    Dissociative Disorders

    * Dissociative Disorders

    * conscious awareness becomes separated (dissociated) from previous memories, thoughts, and feelings

    * Dissociative Identity Disorder

    * rare dissociative disorder in which a person exhibits two or more distinct and alternating personalities

    * formerly called multiple personality disorder

    Schizophrenia

    * Schizophrenia

    * literal translation "split mind"

    * a group of severe disorders characterized by:

    * disorganized and delusional thinking

    * disturbed perceptions

    * inappropriate emotions and actions

    Schizophrenia

    * Delusions

    * false beliefs, often of persecution or grandeur, that may accompany psychotic disorders

    * Hallucinations

    * sensory experiences without sensory stimulation

    Schizophrenia

    Schizophrenia

    Schizophrenia

    Schizophrenia

    Personality Disorders

    * Personality Disorders

    * disorders characterized by inflexible and enduring behavior patterns that impair social functioning

    * usually without anxiety, depression, or delusions

    Personality Disorders

    * Antisocial Personality Disorder

    * disorder in which the person (usually man) exhibits a lack of conscience for wrongdoing, even toward friends and family members

    * may be aggressive and ruthless or a clever con artist

    Mood Disorders-Depression

    * Boys who were later convicted of a crime showed relatively low arousal

    Personality Disorders

    * PET scans illustrate reduced activation in a murderer's frontal cortex

    Personality Disorders

    Rates of Psychological Disorders