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.

Genetics is just one of several factors thought to influence personality disorder development. Life experiences, family dynamics, coping mechanisms, and social learning may all be contributing factors ...

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 ...

Cluster C personality disorders are a group of mental health conditions that cause intense fearfulness, insecurity, or perfectionism. The symptoms are long-term and impact many aspects of life.

I taught for several years at a community-based residency program that was affiliated with a university. We hosted medical students from several local medical colleges, including subinternship ...

Schizophrenia involves periods of psychosis, including hallucinations, delusions, and disorganized thinking that distort a person’s sense of reality. Schizoid personality disorder is a long-standing ...

Following a traumatic brain injury, patients frequently experience enduring personality changes such as irritability, depression, and mood swings.

Personality disorders describe enduring, pervasive, pathologic patterns of behavior and inner experiences that deviate from a patient’s culture. Personality disorders are divided into three clusters ...