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PSYC203- Personality Disorders and Diatheses.docx

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Dione Healey

PSYC203- Personality Disorders and Diatheses  DMS-IV and Personality Disorder -General criteria in DSM-IV: -An enduring pattern of inner experience and behaviour that deviates from norms and: a) is manifest in two or more of the following areas: -cognition -interpersonal function -affect -impulse control b) is inflexible and pervasive c) leads to clinically significant distress or impairment d) is stable and of long duration -Clusters and Classifications -Odd Eccentric Cluster -paranoid, schizoid, and schizotypal -Dramatic Flamboyant Cluster -antisocial, borderline, histrionic, and narcissistic -Anxious Fearful Cluster -avoidant, dependent, and obsessive-compulsive  Traits or Types? 1. Premises: -the construct is not equal to the set of criteria for diagnosis -personality as a diathesis for mental disorder 2. The question: Is the construct continuous or discontinuous? -Continuous: “dimension”, ”continuum”, ”quantity”, ”graduated” -All carry some risk. Some carry more risk than others. -Discontinuous: “category”, ”quality”, ”all-or-nothing” -Some are at risk; others are not. -What general themes emerge from history? 1. Character or personality was defined in a continuous dimensional space. 2. Slight imbalance determined prevailing character -personality -vulnerability to mental illness 3. Serious imbalance gave rise to mental disorders. -physical and psychological pathology.  The Diathesis for Schizophrenia 1. Theory: Diathesis is dimensional -Hans Eysenck: a) normal personality is dimensional b) three dimensions -extraversion-introversion -neuroticism (stability-instability) -psychoticism (schizotypy) -Psychoticism: aggressive, cold, egocentric, impersonal, impulsive, antisocial, unempa
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