Shirley had gotten a job teaching art at a college in the Midwest ... a woman's diagnosis — 90 percent of people who have multiple personality disorder, or get diagnosed with the new name ...

Psychiatrist Doctor Judith Joseph has outlined five of the signs that could point to you having multiple personality disorder ...

According to his doctors, severe physical and sexual abuse inflicted on Billy in childhood by his stepfather Chalmer Milligan caused his personality to splinter into 10 (and later, as many as 24 ...

At the very end of M. Night Shyamalan’s newest horror hit, Split, we learn that Kevin Wendell Crumb (James McAvoy), a mentally ill individual whose multiple personality disorder harbors a ...