4-18-Psychopathology2 - Psychopathology II Psychopathology...

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1 Psychopathology II Psychopathology I Defining Abnormal Behavior Psychological Disorders Anxiety Disorders Somatoform Disorders Dissociative Disorders Mood Disorders Schizophrenic Disorders Personality Disorders Anxiety Disorders Panic Disorder – Recurrent attacks of overwhelming anxiety that usually occur suddenly and unexpectedly – Often leads to agoraphobia – Onset usually late teens or early adulthood
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2 Anxiety Disorders Obsessive-Compulsive Disorder – Persistent, uncontrollable intrusions of unwanted thoughts ( obsessions ) and urges to engage in senseless rituals ( compulsions ) Obsessions often focus on inflicting harm on others, personal failures, suicide, or sexual acts Compulsions involve rituals that temporarily relieve anxiety – 2.5% of the population; most emerge before age 35 Etiology of Anxiety Disorders Biological factors – Genetic predisposition barb2right higher concordance in MZ than in DZ twins – MZ = ~35% – DZ = ~15% GABA circuits in the brain Conditioning and Learning – Phobias are acquired through classical conditioning Preparedness – Maintained through operant conditioning Conditioning of Phobias
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3 Psychopathology I Defining Abnormal Behavior Psychological Disorders Anxiety Disorders Somatoform Disorders Dissociative Disorders Mood Disorders Schizophrenic Disorders Personality Disorders Somatoform Disorders Somatoform disorders are physical ailments that cannot be fully explained by organic conditions and are largely due to psychological factors – this is not simply faking illness even though symptoms may be imaginary Major Types: Somatization Disorder Hypochondriasis Conversion Disorder Somatization Disorder is marked by a history of diverse physical complaints that appear to be psychological in origin Hypochondriasis is an excessive preoccupation with health concerns and incessant worry about developing physical illnesses Somatoform Disorders
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4 Conversion Disorder is a significant loss of physical function (with no apparent organic basis) usually in a single organ system Usually more severe ailments than those with somatization disorders Loss of vision, hearing, feeling, or limb function Severe laryngitis or mutism Somatoform Disorders glove anesthesia – the entire hand from fingertips to wrist becomes numb Cannot be accounted for by nerve damage Glove Anesthesia Etiology of Somatoform Disorders Biological Predisposition?
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