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 ...

How can you tell whether people who lie to you believe what they are saying? Understanding the effects of emotional ...

Using the American Psychiatric Association's official diagnostic criteria, this video walks through each of the nine traits ...

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 ...

Have a psychology question for Dr. Hauck? E-mail your question to him at drhauck@qconline.com, or send it by regular mail to The Human Scene, c/o Dr. Paul Hauck, 1800 3rd Ave., Rock Island, IL 61201.

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 ...

Is it possible to spot personality dysfunction from someone's everyday word use? My colleagues and I have conducted research that suggests you can, and often sooner than you might expect. Whether in a ...