What is Narcissistic personality disorder?
[[File:Michelangelo Caravaggio 065.jpg|thumb|Narcissus, by [[Caravaggio]]]] '''Narcissistic personality disorder''' ('''NPD''') is a personality disorder derived from trauma, as all cluster B disorders are. It comes from extreme neglect and criticization in their childhoods, leading them to adapt to a certain survival instinct, and to shut down their emotions completely. People with NPD find it difficult to show [[empathy]] to others because of the lack of empathy they've been shown as children. They may have a sense of self-righteousness, and may defend themselves if they are in the wrong as a defense mechanism to past criticization. The American Psychiatric Association’s ''Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition'' (''DSM-5'') categorizes NPD as Cluster B [[personality disorder]], with [[antisocial personality disorder]], [[borderline personality disorder]] and [[histrionic personality disorder]].{{cn}} Cluster B personality disorders are also known as “dramatic” personality disorders. Common to these is very emotional behavior which creates problems in relationships.<ref>Gray P. and Bjorklund D. 2018. ''Psychology''. 8th ed. New York: Worth Publishers, pp.618-619.</ref> Studies have found that up to 6.3% of the general population suffers from narcissistic personality disorder<ref>Ronningstam E. 2006. Identifying and understanding the narcissistic personality. Oxford: Oxford University Press, p62.</ref> and it is more prevalent in men than it is in women.<ref>Grijalva, E., Newman, D., Tay, L., Donnellan, M., Harms, P., Robins, R. and Yan, T., 2015. Gender differences in narcissism: A meta-analytic review. ''Psychological Bulletin'', '''141'''(2), p.280.</ref> == History == Before the introduction of narcissistic personality disorder, the term [[narcissism]] was used to explain a person's extreme self-love and self-admiration. The word ''narcissism'' comes from [[Greek mythology]]. A handsome young man named [[Narcissus (mythology)|Narcissus]] saw his own reflection in a pool of