Antisocial Personality Disorder

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Antisocial Personality Disorder Psychopathy
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Antisocial Personality DisorderSymptoms

• Repeatedly engaging in criminal acts
• Deceitfulness
• Impulsivity
• Irritability
• Reckless behaviour
• Irresponsibility
• Lack of remorse

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Relationship of APD with Psychopathy

• APD 4 in general population
• Psychopathy 1 in general population
• APD 60-80 of incarcerated populations
• Psychopathys 10-25 of incarcerated populations
• Construct overlap - diagram

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Psychopathy

• Not in DSM-IV-TR
• The Mask of Sanity (Cleckley, 1941)
• Operationalized by Hare (1980, 1991, 2003)
  www.hare.org

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The PCL-R (Hare, 2003) Items 2 vs. 3 vs. 4
factor structure

• Factor 1
• interpersonal/affective
• failure to accept responsibility for own actions
• pathological lying
• lack of remorse/guilt
• glibness/superficial charm
• shallow affect
• grandiose sense of self-worth
• conning/manipulative
• callous/lack of empathy

• Factor 2
• behavioral
• early behavioral problems
• lack of realistic, long-term plans
• parasitic lifestyle
• poor behavioral controls
• impulsivity
• irresponsibility
• juvenile delinquency
• need for stimulation
• revocation of conditional release

3 non loading items (1) promiscuous sexual
behavior, (2) many short-term marital
relationships, (3) criminal versatility
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The PCL-R

• items are scored on a 3 point scale (0, 1, 2)
• Items are summed to reach a total score (0-40)
• 30 psychopath diagnosis in North America
• 20-30 mixed group
• lt20 non-psychopaths
• (4 or 5 is a typical score for a non-psychopath)

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Psychopathy Research

• Begin their criminal career at an earlier age
  (18.6 vs. 24.3 yrs) (Hemphill et al., 2003)
• More likely to engage in instrumental violence
  than reactive violence

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Treatment(Ricke, Harris Cormier, 1992)

• Recidivism rates 10 years after release

Treatment No Treatment
Nonpsychopath 22 39
Psychopath 77 55
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Psychopaths Brain Function

• Words presented
• Neutral words
• Emotional words (e.g., death, cancer)
• Psychopaths have the same reactivity to all words

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Psychopaths Brain Function

• Lexical task
• Info first registered at the back of the brain
  (visual task)
• Other parts of psychopaths brain are not
  activated

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Videos

• Video The World of Personality Disorders
• Meet Dean and Patrickboth have been diagnosed
  with antisocial personality disorder
• Video The Mind
• Robert Hare interviewed