Dissociative identity disorder is a psychiatric diagnosis that describes a condition in which a person displays multiple distinct identities or personalities(known as alter egos or alters), each with its own pattern of perceiving and interacting with the environment. In the International Statistical Classification of Diseases and Related Health Problems the name for this diagnosis is multiple personality disorder. In both systems of terminology, the diagnosis requires that at least two personalities routinely take control of the individual's behavior with an associated memory loss that goes beyond normal forgetfulness; in addition, symptoms cannot be the temporary effects of drug use or a general medical condition.[1]
There is a great deal of controversy surrounding the topic. There are many commonly disputed points about DID. These viewpoints critical of DID can be quite varied, with some taking the position that DID does not actually exist as a valid medical diagnosis, and others who think that DID may exist but is either always or usually an adverse side effect of therapy.[2][3][4][5][6]DID diagnoses appear to be significantly higher in the North American continent.[7][8]
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