Personality Disorders Part 2

Personality Disorders Part 2 - Co-morbidityPersonality...

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Unformatted text preview: Co-morbidityPersonality disorders tend to be comorbid with(to occur at the same time as) each other and with Axis I disorders such as depression and substance abuse~50% of individuals diagnosed with one PD will meet criteria for at least one other PDHighest rates of comorbidity are within clustersEtiology (Causes): Cluster AWe often dont knowCluster A personality disorders may share genetic predisposition and dopamine functioning common to schizophreniaParanoid PD may be associated with childhood learningEtiology: Cluster ASchizoid PD may share biological cause with autismSchizotypal PD appears to be heritable Schizotypal PD associated with left hemisphere damage and brain abnormalities in generalEtiology: ASPDAntisocial PD associated with genetic vulnerabilities and environmental stressesIndividuals with ASPD appear to have lower levels of cortical arousal and higher levels of fearlessnessPossibly a more active BAS, less active BISEtiology: Borderline PDRuns in families and may share a genetic association with mood disorders (diathesis)Role of early trauma sexual and physical abuse (stress)Cognitive differences and memory biasesEtiology: Cluster BHistrionic PD: not much knownCo-occurs with ASPD as many as 1/3 of those meeting criteria for ASPD also met criteria for HPD = gender-based differences in expression?Narcissistic PD: failure in learning empathyIncreasing in prevalence?Etiology: Cluster CAvoidant PD: associated with self-reports of early rejection by parentsDependent PD: may be associated with early disruption of caregiving relationship resulting in anxiety about losing other important relationshipsOCPD: may have genetic causesTreatments...
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This note was uploaded on 09/04/2009 for the course PSYC 352 taught by Professor Mehl during the Summer '09 term at University of Arizona- Tucson.

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Personality Disorders Part 2 - Co-morbidityPersonality...

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