Perfectionism often manifests in borderline personality disorder due, in part, to the tendency to anxiously search for ...

Dissociative identity disorder (DID) is a psychiatric condition where a person has more than one identity, often referred to ...

Before you go chalking someone's behavior up to their quirky personality, you may want to consider if something deeper is ...

Cluster B personality disorders affect a person’s emotions and behaviors, leading to actions that others tend to consider dramatic, overly emotional, or erratic. A personality disorder is a ...

Sociopathy is also linked to a mental health condition known as antisocial personality disorder, or ASPD. Sociopathy was the former name for ASPD. George Partridge, an American psychologist ...