There have been many studies conducted to test the reliability and validity of this scale.
Barlow,P. There are known cases of people with this disorder completely change and see their selves differently from who they actually are, such as having a different name. People who suffer from DID often have no recollection of what they have done or said while under the influence of the alternate personalities.
Secondary identity would only appear when provoked. Single personalities randomly take control of the individual's behavior. In ancient times, near the middle ages, DID was thought to be due to possession due to the fact mental illnesses back then had a supernatural theory attached to them.
Since everyone has a personality, but not everyone has a personality disorder, these disorders are considered a variant form of normal, healthy personality. The two that will be discussed are Avoidant Personality Disorder, and Narcissistic Personality disorder Transitions from one identity to another are often triggered by psychosocial stress.
Over the years, there have been several films, books, and television shows that depict a disorder that is most currently known as Dissociative Identity Disorder, previously known as Multiple Personality Disorder.
Suffers have frequent gaps in their memories of personal accounts, including people, places, and events, for both older and more recent past. The Dissociative Identity Disorder DID is a severe condition in which two or more separate, distinct identities or personality states are present in an individual.
Though rare, it is important to understand the disorder as well as its symptoms, treatment and strategies The main issue in this film is one of a psychological basis which keeps the audience on their toes and maybe even slightly confused until all of the pieces fit together at the end of the film.