dissociative identity disorder

a psychological condition in which there are more than one personality in a person, each personality has different memories and patterns of behavior

Dissociative identity disorder (DID), formerly known as multiple personality disorder, is a mental health condition characterized by the presence of two or more distinct personality states or identities within a single individual.
Individuals with dissociative identity disorder may experience memory gaps, time loss, and a sense of being disconnected from their thoughts, feelings, and surroundings.
Trauma, particularly in childhood, is often associated with the development of dissociative identity disorder, as a coping mechanism to escape from overwhelming or traumatic experiences.
Treatment for dissociative identity disorder typically involves psychotherapy, including trauma-focused therapy and techniques to integrate the different identity states.
Living with dissociative identity disorder can be challenging, as individuals may struggle to maintain a cohesive sense of identity and may experience difficulties in relationships and daily functioning.