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.

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". The …

Aug 11, 2025 · DID is a severe form of dissociation, a mental process that produces a lack of connection in your thoughts, memories, feelings, actions, or sense of identity. The dissociative aspect is thought...

Oct 4, 2025 · Severe and repetitive childhood trauma often causes dissociative identity disorder (DID). You can have multiple identities that function independently if you have DID.

DID often co-occurs with other emotional conditions, including posttraumatic stress disorder (PTSD), borderline personality disorder (BPD), and a number of other personality disorders, as well as …

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 about …

May 26, 2021 · Many people recognize the condition by its former name: multiple personality disorder. Yet DID is actually a dissociative disorder, not a personality disorder.

2 days ago · The DSM-5 criteria for dissociative identity disorder (DID) center around multiple personalities, amnesia as well as three other DID criteria. Learn more.

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DID, formerly called multiple personality disorder, develops as a childhood coping mechanism. To escape pain and trauma in childhood, the mind splits off feelings, personality traits, characteristics, …