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.

A sharp decline in cases followed, and the disorder was reclassified as "dissociative identity disorder" (DID) in DSM-IV. [7] In the 2020s, an uptick in DID cases followed the spread of viral videos about …

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...

Apr 24, 2026 · DID often co-occurs with other emotional conditions, including posttraumatic stress disorder (PTSD), borderline personality disorder (BPD), and a number of other personality disorders, …

DID is complex—but with the right knowledge, clinicians, caregivers, and communities can play a meaningful role in healing. This on-demand session clarifies DID’s clinical realities, reduces stigma, …

Dissociative identity disorder (DID) is the disorder that was previously recognized as multiple personality disorder. It’s characterized by the presence of two or more dissociated self states, known as alters, …

Dissociative identity disorder (DID)—which many people recognize by its former name, multiple personality disorder—is one of Hollywood’s favorite psychology-related topics, with a decades-long …

Persons with DID may find that they are better able to handle the symptoms in middle adulthood. Stress, substance abuse, and sometimes anger can cause a relapse of symptoms at any time.

1 day ago · DID is a trauma-related condition involving distinct identity states. Learn how it develops, what sets it apart from other disorders, and how treatment works.

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.