The study of human personality or "character" (from the Greek charaktêr, the mark impressed upon a coin) dates back at least to antiquity. In his Characters, Tyrtamus (371-287 B.C.) — nicknamed ...

Many of my clients seek therapy due to chronic relationship problems—whether it be with their parents, co-workers, family members, and/or partners. “They're driving me crazy!” “Is it them or me?" “Am ...

Narcissistic personality disorder (NPD) is 1 of 10 clinically recognized personality disorders. Though NPD is only one official diagnosis, doctors further classify the condition into 2 types.

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 ...

The exact cause of personality disorders is unclear. However, genetics, neurological differences, and environmental factors may contribute to the development of these complex mental health conditions.

Everyone’s personality is different. While pop psychology has tried to categorize personality types, most people relate to more than one. This list of personality types shows the range of personality ...

Schizotypal personality disorder is a cluster A personality disorder that involves various symptoms. These symptoms include difficulty in relationships, atypical thinking and behavior, and a distorted ...

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. In today’s column, I am continuing my ongoing series about the ...

Symptoms of ASPD can start in childhood and may include manipulative and reckless behaviors. ASPD often co-occurs with other mental health conditions, which makes it harder to treat. Up to 31% of ...