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 ...

HAMBURG — What is “normal” and what isn’t? This question is constantly being renegotiated in psychology. And sometimes, the boundaries shift, as they are now. What is considered a personality disorder ...

Personality Disorders are long-standing patterns of thinking and behavior that lead to problems in interpersonal relationships and may cause impairment or distress in the person with the disorder. A ...