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| Multiple Personality Disorder Dissociative Identity Disorder | Dual Personality | Multiple Identity Disorder | Multiple Personalities | Disorder, Dissociative Identity | Disorder, Multiple Identity | Disorder, Multiple Personality | Identity Disorder, Dissociative A dissociative disorder in which the individual adopts two or more distinct personalities. Each personality is a fully integrated and complex unit with memories, behavior patterns and social friendships. Transition from one personality to another is sudden. |