The Mayo Clinic research group defines Narcissistic Personality Disorder (NPD) as “a mental condition in which people have an inflated sense of their own importance, a deep need for excessive ...
Cluster B disorders are a collection of negative traits organized into four classifications: narcissism, histrionic, borderline, and antisocial personality disorders. Personality disorders as a whole ...
Histrionic personality disorder is one of a group of conditions called "cluster B" or "dramatic" personality disorders. People with these disorders have intense, unstable emotions and distorted ...