Blurry sense of identity.
This disorder, formerly known as multiple personality disorder, is characterized by "switching" to alternate identities. You may feel the presence of one or more other people talking or living inside your head, and you may feel as though you're poss... essed by other identities. Each of these identities may have a unique name, personal history and characteristics, including obvious differences in voice, gender, mannerisms and even such physical qualities as the need for eyeglasses. There also are differences in how familiar each identity is with the others. People with dissociative identity disorder typically also have dissociative amnesia and often have dissociative fugue