Dictionary

multiple personality disorder

noun

Definition of MULTIPLE PERSONALITY DISORDER

:  a disorder that is characterized by the presence of two or more distinct and complex identities or personality states each of which becomes dominant and controls behavior from time to time to the exclusion of the others and results from disruption in the integrated functions of consciousness, memory, and identity —called also multiple personality, dissociative identity disorder
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First Known Use of MULTIPLE PERSONALITY DISORDER

1901
Medical Dictionary

multiple personality disorder

noun

Medical Definition of MULTIPLE PERSONALITY DISORDER

:  a dissociative disorder that is characterized by the presence of two or more distinct and complex identities or personality states each of which becomes dominant and controls behavior from time to time to the exclusion of the others—abbreviation MPD; called also alternating personality, dissociative identity disorder

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