In a commentary-response article published this past week for the journal Child and Adolescent Mental Health, Peter Tyrer, a personality psychologist, engaged in what some might call heated ...

A primary characteristic of borderline personality disorder (BPD) is the struggle to maintain consistent connections to others and to oneself. Indeed, two of the defining characteristics of BPD as ...

Petulant borderline personality disorder (BPD) is a potential subtype of BPD. It involves mood changes and irritability. There is debate over subtypes of BPD. Petulant BPD is one of the four subtypes ...