Narcissistic personality disorder
personality disorder that involves an excessive preoccupation with issues of personal adequacy, power, prestige and vanity / From Wikipedia, the free encyclopedia
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.[source?]
Cluster B personality disorders are also known as “dramatic” personality disorders. Common to these is very emotional behavior which creates problems in relationships.[1] Studies have found that up to 6.3% of the general population suffers from narcissistic personality disorder[2] and it is more prevalent in men than it is in women.[3]