Pathological narcissism is associated with reduced cortical thickness and cortical volume in the right dorsolateral prefrontal cortex, according to a study published online this July in Neuroscience, which may explain impairments in the regulation of emotion.
Pathological narcissism, which differs from the normal form of narcissism (a normally distributed personality feature), can be defined as a personality characteristic involving arrogant behavior, feelings of entitlement, lack of empathy, and willingness to exploit other individuals. It is also often associated with aggression and dominance.
Pathological narcissism has been shown to predict psychological health, with individuals high in narcissism more likely to suffer mental disorders. For example, researchers have found that pathological narcissism is correlated with: anxiety, depression, loneliness, empathy, and neuroticism. Furthermore, individuals with a narcissistic personality exhibit avoidant attachment styles, maintain distance in relationships, claim not to need others, and are more sensitive to social rejection.