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Chapter 12: Psychological Disorders Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Defining Abnormality Abnormality as a deviation from the average – Statistically-based approach Abnormality as a deviation from the ideal – Majority standard Abnormality as the inability to function effectively – Societal demands Abnormality as a legal concept – Legal view Abnormality as a sense of personal discomfort – Personal distress Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Perspectives on Abnormality Medical perspective – Suggests symptoms of abnormal behavior are rooted in physiological causes Psychoanalytic perspective – Views abnormal behavior as stemming from childhood conflicts over opposing wishes regarding sex and aggression Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Perspectives on Abnormality Behavioral perspective – View abnormal behavior as a learned response Cognitive perspective – Assumes that cognitions (people’s thoughts and beliefs) are central to a person’s abnormal behavior Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Perspectives on Abnormality Humanistic perspective – Emphasize the responsibility that people have for their own behavior, even when such behavior is seen as abnormal Sociocultural perspective – Makes the assumption that people’s behavior – both normal and abnormal – is shaped by the kind of family group, society, and culture Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Classifying Abnormal Behavior Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) – Standard system used in the United States to diagnose and classify abnormal behavior devised by the American Psychiatric Association Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Classifying Abnormal Behavior: DSM-IV Utilizes 5 axes to describe condition Designed to primarily descriptive and tries to avoid suggesting an underlying cause for an individual’s behavior and problems Rosenhan “On being sane in insane places” (1973) Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Major Disorders Anxiety disorder – Anxiety occurs without external justification and begins to affect a person’s daily functioning Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Anxiety Disorders Phobic disorder – Intense, irrational fears of specific objects or situations Panic disorder – Anxiety that is not triggered by any identifiable stimulus and last from a few seconds to several hours – Agoraphobia Generalized anxiety disorder – Experience long term persistent anxiety Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Anxiety Disorders Obsessive-Compulsive Disorder Obsession – A persistent, unwanted thought or idea that keeps recurring Compulsion – Urge to repeatedly carry out some act that seems strange and unreasonable, even to the individual who experiences them Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Somatoform Disorders Psychological difficulties that take on a physical (somatic) form, but for which there is no medical cause Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Somatoform Disorders Hypochondriasis – Constant fear of illness and a preoccupation with their health Conversion disorder – Involves an actual physical disturbance, such as the inability to see or hear, or to move an arm or leg whose cause is purely psychological Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Dissociative Disorders Characterized by the separation (or dissociation) of critical parts of personality that are normally integrated and work together in order to keep disturbing memories or perceptions from reaching conscious awareness, thereby reducing their anxiety Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Dissociative Disorders Dissociative identity disorder (multiple personality) – Individual displays characteristics of two or more distinct personalities Dissociative amnesia – A disorder in which a significant selective memory loss occurs Dissociative fugue – Amnesiac condition where people take sudden, impulsive trips, sometimes assuming a new identity Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Mood Disorders Disturbances in emotional feelings strong enough to intrude on everyday life Major depression – Severe form of depression that may last months or years in which the person experiences characteristic symptoms • Worthless feelings • Loneliness • Crying • Sleep disturbance • Suicide Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Mood Disorders Mania – Extended state of intense, wild elation Bipolar disorder – Condition in which a person sequentially experiences periods of mania and depression Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Causes of Mood Disorders Psychoanalytic – Feelings of loss – Anger turned inward Heredity Learned helplessness Evolutionary theory – Depression is an adaptive response to goals that are unattainable Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Schizophrenia Class of disorders in which severe distortion of reality occurs – Decline from a previous level of functioning – Disturbances of thought and language – Delusions – Perceptual disorders – Emotional disturbances – Withdrawal Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Schizophrenia Process schizophrenia – Symptoms develop relatively early in life, slowly and subtly Reactive schizophrenia – Onset of symptoms is sudden and conspicuous Positive-symptom schizophrenia Negative-symptom schizophrenia Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Schizophrenia: Causes Biological – Heredity – Dopamine hypothesis • Schizophrenia occurs when there is excess activity in those areas of the brain that use dopamine as a neurotransmitter Environmental perspectives – Expressed emotion • Interaction style characterized by criticism, hostility, and emotional intrusiveness by family members Cognitive perspective – Overattention – Underattention Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Personality Disorders Disorders characterized by inflexible, maladaptive personality traits that do not permit the person to function appropriately as members of society Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Personality Disorders Antisocial personality disorder (sociopath) – Characterized by no regard for the moral and ethical rules of society or the rights of others Narcissistic personality disorder – Exaggerated sense of selfimportance Borderline personality disorder – Characterized by their difficulty in developing a secure sense of who they are Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Attention Deficit Hyperactivity Disorder (ADHD) Disorder marked by inattention, impulsiveness, a low tolerance for frustration, and generally a great deal of inappropriate activity Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.