Posteromedial Cortex: Divide Between Narcissists And Psychopaths Narrow

Like many of history's greatest minds, narcissists spend a great deal of time deep in thought - but for narcissists it is thought about themselves. Neuroscientists recently found a correlation between high scores on the Machiavellian Egocentricity subscale - a measure of narcissism - and activity during rest in the posteromedial cortex, a brain region that previous studies have associated with thoughts about the self.  The study also found a correlation between poor decision-making and brain activity during rest in the medial prefrontal cortex. Impulsive action without regard for consequences is another aspect of psychopathic behavior. read more

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