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 at the Science 2.0 website