Evolution and the Psychopath

http://www.rudecactus.com/archives/001430.html

Since I began studying psychopathy, I have often wondered about an evolutionary basis for this dangerous disorder. Psychopathy is considered to be a developmental disorder (Blair, 2006), which means that through its normal course of development the brain experiences stresses or biochemical changes that are not conducive to proper neurological development. This idea is supported by suppositions from both behavioral psychology and neuroscience; firstly, in behavioral psychology, it is suspected that serious child abuse could be an underlying factor behind psychopathy (Kunitz et al., 1998), and secondly, in neuroscience, it has been noted that many with psychopathy show a significant underdevelopment of a number of regions in their brain (for a review see Pemment, 2012).

Read more at Psychology Today…

Copyright Jack Pemment, 2012

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