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  1. Dissociative Identity Disorder (DID): Symptoms & Treatment

    Dissociative identity disorder (DID), formerly known as multiple personality disorder and split personality disorder, is a mental health condition where you have two or more separate identities.

  2. Dissociative identity disorder - Wikipedia

    Dissociative identity disorder (DID), previously known as multiple personality disorder (MPD), is a dissociative disorder characterized by the presence of at least two personality states or "alters".

  3. Dissociative Identity Disorder (Multiple Personality Disorder) - WebMD

    Aug 11, 2025 · Dissociative identity disorder, once called multiple personality disorder, results in two or more split identities.

  4. What Is Dissociative Identity Disorder? - Health

    Oct 4, 2025 · Dissociative identity disorder (DID) is a psychiatric condition that occurs when a person has multiple identities that function independently. These identities—also called “alters” …

  5. Dissociative Identity Disorder - Psychiatric Disorders - MSD …

    Jun 7, 2025 · Dissociative identity disorder (formerly called multiple personality disorder) is a type of dissociative disorder characterized by 2 or more personality states (also called alters, self …

  6. Split Personality or Dissociative Identity Disorder - Verywell Health

    Dec 20, 2025 · Having a split personality or multiple personalities means you have more than one distinct identity. The clinical term for this condition is dissociative identity disorder (DID). Learn …

  7. Multiple Personality Disorder or Dissociative Identity Disorder ...

    Dissociative identity disorder (DID), commonly known as multiple personality disorder (MPD), is a contentious mental health condition that typically arises as a result of traumatic events to help …

  8. Dissociative disorders - Symptoms and causes - Mayo Clinic

    Aug 31, 2023 · Dissociative disorders are mental health conditions that involve experiencing a loss of connection between thoughts, memories, feelings, surroundings, behavior and identity.

  9. Dissociative Disorders | NAMI: National Alliance on Mental Illness

    Dissociative disorders are marked by involuntary escape from reality and a disconnect between thoughts, identity, consciousness and memory.

  10. Dissociative identity disorder: Definition, symptoms, and more

    Apr 11, 2018 · Dissociative identity disorder (DID) is a condition in which an individual has two or more distinct personality states or identities. It was previously known as multiple personality …