People who exhibit symptoms of a personality disorder may be unaware that they do so because they perceive their own distorted thought processes, emotional responses, and behaviors as normal.

Medically reviewed by Elle Markman, PsyD, MPH Borderline personality disorder (BPD) is a mental health condition that affects the way you feel about yourself and other people. The symptoms of BPD are ...

There are several types of personality disorders—and the symptoms of each can vary. In general, people with a personality disorder have consistent patterns of thought or behavior that differ ...

Diagnosis in adults is almost unheard of. Yet, what is much more commonly diagnosed in adults are personality disorders, with a lifetime prevalence rate of approximately 13% (Volkert et al., 2018).

Diagnosing a personality disorder is challenging, as symptoms can sometimes relate to a more severe, underlying mental or physical health condition. For this reason, a doctor will first assess a ...