Causes - o Causes Genetics Twin and adoption studies o...

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o Causes Genetics Twin and adoption studies o Newborns of female felons were adopted away at birth o Higher rates of crime and APD in these babies when they were grown up than for adopted away kids of non-felons Gene-environment interaction o Highest levels of crime and APD symptoms were the kids of the female felons and spent a longer time in an interim orphanage Underarousal hypothesis Lower autonomic arousal – among psychopaths/ APD there are lower levels of autonomic arousal o during resting situations (lower heart rate) o in response to fear-eliciting stimuli (less perspiration) o Implication: seek stimulation to boost arousal to a more optimal level Fearlessness hypothesis Individuals with psychopathy/APD have a higher threshold for fear than most o If you don’t get scared easily you may be more impulsive, be aggressive o Ex: dig up potatoes in the sun (boring, demanding task) OR skydive with only 5 mins of training (frightening) Which activity would you rather do? Overwhelming – psychopaths
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Causes - o Causes Genetics Twin and adoption studies o...

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