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Lecture 19

PSY2301 Lecture 19: Psychopathy

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Andra Smith

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Psychopathy Tuesday, November 22, 2016 7:24 PM Psychopaths perform >50% of violent crime Psychopaths recidivate 3 -4x more than non -psychopaths following release from prison "successful" psychopaths use the system and people to get what they want Effect on Other's Treatment Psychopaths have been shown to be more destructive after treatment Psychopaths take over and disturb treatment groups Some prisons don't allow psychopaths in their groups Psychopathy Interpersonally: egocentric, manipulative, dominant, cold -hearted Affectively: labile emotions, no long lasting bonds to people or principles or goal, lack of empathy or guilt Behaviourally: impulsive, sensation-seeking, violate social norms Hare Psychopathy Checklis- t Revised (PCL-R) Uses: Assessing and diagnosing psychopathy for research and clinical purposes Parole board hearings/ dangerous offender verdicts Best predictive tool for recidivism/ risk assessment The Checklist: 20 characteristics Semi-structured interview and collateral information Childhood, relationships, work experience, family history, criminal history, general view of life and people PCL-R ItemsBackground 1) Pseudopsychopath: describes the personalities of a subset of frontal lobe patients who lacked adult tact and restraint. In contrast to conventional, or developmental, psychopathy, in which psychopathic traits emerge in childhood and adolescence with no gross structural brain lesion, pseudopsychopathic behaviors arise following brain injury Acquired Psychopaths: psychopathy can be acquired through brain injury and nearly always presents with other obvious signs of brain damage. Some drug use is also associated with desensitisation and detachment that leads to the triggers for secondary psychopathy *Primary psychopathy is inherent from birth, while secondary psychopathy is acquired through adverse reactions to their environment and or identification with a subculture that
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