Robert M. Sapolsky Quote
The dissociation between fear and aggression is evident in violent psychopaths, who are the antithesis of fearful—both physiologically and subjectively they are less reactive to pain; their amygdalae are relatively unresponsive to typical fear-evoking stimuli and are smaller than normal.34 This fits with the picture of psychopathic violence; it is not done in aroused reaction to provocation. Instead, it is purely instrumental, using others as a means to an end with emotionless, remorseless, reptilian indifference.
Robert M. Sapolsky
The dissociation between fear and aggression is evident in violent psychopaths, who are the antithesis of fearful—both physiologically and subjectively they are less reactive to pain; their amygdalae are relatively unresponsive to typical fear-evoking stimuli and are smaller than normal.34 This fits with the picture of psychopathic violence; it is not done in aroused reaction to provocation. Instead, it is purely instrumental, using others as a means to an end with emotionless, remorseless, reptilian indifference.
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About Robert M. Sapolsky
Robert Morris Sapolsky (born April 6, 1957) is an American academic, neuroscientist, and primatologist. He is the John A. and Cynthia Fry Gunn Professor at Stanford University, and is a professor of biology, neurology, and neurosurgery. His research has focused on neuroendocrinology, particularly relating to stress. He is also a research associate at the National Museums of Kenya.