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Lecture 17

PSYC 2400E - Lecture 17 - March 14, 2013.docx

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PSYC 2400
Julie Dempsey

Thursday, March 14, 2013 PSYC 2400 - Winter 2013 Lecture 17 Guest Lecture: Julie Blais Psychopathy Goals for today’s class - What is psychopathy? Defining psychopathic traits and behaviours - How do we assess psychopathy? - What makes them tick (theories; etiology)? - What kinds of outcomes are associated with psychopathy? Resources - Chapter 11 o For your own personal interest o Without conscience, Dr. Robert Hare (1993) o Activity - Think of a fictional character that you would characterize as a “psychopath” - What are some of the traits and behaviours that this character possesses? What is psychopathy? - A personality disorder characterized by o An arrogant, deceitful interpersonal style o Deficient affective experiences  Flat emotions o Impulsive and irresponsible experiences  Looking for excitement o Early onset and diverse antisocial behaviours Psychopathy: Assessment - Self-Report Inventories o Fill in their own report - Informant Rating o Scales for children, teacher/parent reports for the child - Clinical Ratings o Clinician reports for the person The “Gold” Standard - Psychopathy Checklist-Revised (PCL-R; Hare, 1991, 2003) o Semi-structured interview + file review o 20 item questionnaire (3 point scale: 0, 1, 2) o Total score of 40 (>30 = psychopathy) o Youth version (PCL:YV; Forth et al., 2003) o Qualified professional (PhD; appropriate training) Who score the highest on the PCL-R? - Female offenders - Sex offenders - Serial killers - General population - Donald Trump Factor 1: Affective-Interpersonal - Glib and superficial o Fake, insincere, surface level connection o No deep connection with others - Egocentric and grandiose o Better than others; makes up stories o Truly believe that they are the best - Lack of remorse/guilt/empathy o Don’t feel bad for others; inflict pain o No one else matters but themselves - Deceitful and manipulative o Tells lies with truth; uses other people for personal gain - Shallow emotions o Don’t experience emotion like others; mimic emotions o They’ve learned to fake emotions Factor 2: Antisocial Behaviour - Impulsive o Don’t think about consequences - Poor behaviour control o Act quickly; risky behaviour - Need for excitement o Need for stimulation (e.g., sky diving) - Lack of responsibility o Nothing is their fault; world against them - Early behaviour problems o Aggression; problems at school/with police - Adult antisocial behaviour o Criminal record; aggression Factor 1 = Moral Corruption Factor 2 = Antisocial Personality Disorder (ASPD) You need both factors to be a psychopath ASPD and Psychopathy 50% - 80% ASPD 15% - 25% Psychopathy Video - David Krueger o Canadian serial killer (3 victims in the 50s) - What psychopathic traits does he display? o Doesn’t feel remorse o Felt accomplishment killing someone o Felt like God o Still seems like he has the same beliefs - Note the vocabulary he uses and how he describes his crimes and his motivations Which of the following is NOT related to the development of adult psychopathy? 1. Brain damage 2. Early abuse/neglect 3. High IQ 4. Emotional deficits 5. Parents’ level of psychopathy Psychopathy: Theories - Brain damage, structural anomalies o Frontal lobe dysfunction o Frontal lobe responsible for decision-making, impulsiveness - Cognitive processing deficits o Response modulation deficits (Newman) - Cognitive-emotional integration (Cleckley, Hare, Blair) Psychopathy: Etiology - Heritability of psychopathic traits Traits MZ twin DZ twin CU traits .73 .39 AB traits .64 .49 *CU – callous-unemotional *AB – antisocial behaviour - “Callous
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