With three years gone by since the publication of the DSM-5, researchers and clinicians have a renewed interest in righting past wrongs in the diagnostic classification of personality disorders. Some ...

No cluster D of personality disorders is currently featured in the Diagnostic and Statistical Manual of Mental Disorders, 5th edition, text revision (DSM-5-TR). Only clusters A, B, and C are ...

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.

July 8, 2011 — With the goal of increasing relevancy for both clinicians and patients, the diagnostic criteria for personality disorders may undergo significant restructuring in the upcoming ...

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 ...

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.

Narcissistic personality disorder involves inflated self-worth and a lack of empathy. Narcissistic traits like arrogance and entitlement can affect relationships. Treatment, such as cognitive ...

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 ...