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 diagnosis is controversial and remains disputed. [4][5][6] Proponents of DID support the trauma model, viewing the disorder as an organic response to severe childhood trauma. Critics of the ...
DID is a treatable disorder once it is properly diagnosed. Clinicians who understand DID symptoms can diagnose DID in the clinical interview. There are also paper and pencil tests that can help clinicians diagnose DID and other dissociative disorders. Studies show that DID symptoms improve over time when treated using Phasic Trauma Treatment.