PSY240H1 Lecture Notes - Lecture 9: Ventromedial Prefrontal Cortex, Psychopathy Checklist, Iowa Gambling Task
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Psy240 lecture 9 june 20: controversies in abnormal psych (ncrmd & psychopathy) (chp 18) 0. 25% of all cases = insanity pleas that result in ngri. What is psychopathy: lack of empathy, lack of remorse, glib/superficial charm, callous/unemotional, muted stress/fear response, social dominance association with manipulation. Ability to attach to significant others: antisocial behaviour. Psychopathy checklist revised: hare (2004) [developed this gold standard of measuring psychopaths, factor 1. Psychopathy: shows a developmental trends: characteristics emerge prior to 10 years old and persists through adulthood, suggesting there is something biological/inherited, heritable: callous-unemotional traits = 67% heritability at 7 years. Polymorphisms that affect responsiveness of neural systems involved in psychopathy. Genetic component stronger than social component (like parenting impact) to its development: instrumental and reactive aggression (they respond to threat/insult). Instrumental aggression is the use of aggression to get something they want/to benefit themselves; instrumental aggression decreases when goal has been achieved (e. g. billy hits sally until he gets her new toy).
