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".

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 …

Dissociative identity disorder (DID) is a mental health condition where you have two or more separate personalities that control your behavior at different times.

5 days ago · Dissociative Identity Disorder (DID) is a trauma-based condition marked by identity disruption and memory gaps. Understanding how DID develops, how it’s diagnosed, and how …

Aug 11, 2025 · When you have DID, you have two or more separate identities called “alters.” They control your behavior at various times. Each alter has its own personal history, traits, …

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. Proper …

What is dissociative identity disorder? Individuals with DID often also suffer from other mental illnesses, including posttraumatic stress disorder (PTSD), borderline and other personality …