Dissociative Identity Disorder, previously known as Multiple Personality Disorder, is a very rare psychological disorder. Dissociative Identity Disorder affects about one percent of the general population, and it is more prevalent in women than men. Dissociative Identity Disorder was first recognized and described by Pierre Janet in the 19th century (Dale, K. Y., ødegård, A., Tschudi, F., Cromwell, R. L., Saunders, B., Elden, Å., & Holte, A., 2010). This psychological disorder is characterized by two or more separate identities controlling one individual’s thoughts and behaviors at different times. A person suffering from DID can have up to a hundred different alters, all of which can be very different from the original identity of the individual.
