People with dissociative identity disorder develop fractured parts of their identity to cope with trauma, which can cause amnesia and disconnect.

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 ...

Adam seemed to have a split personality. Most of the time, people thought he was a nice guy, although his temper was a ticking time bomb. He would explode at the drop of the proverbial hat. The ...

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) categorizes histrionic personality disorder (HPD) and narcissistic personality disorder (NPD) into the same cluster of ...