The scientific name for split personality is dissociative identity disorder, also known as multiple personality disorder, which is characterized by the presence of two or more distinct identities or personalities, each of which exhibits a unique self-experience. The main symptoms are memory dissociation, dissociative identity change, mood disorders, and obsessive-compulsive disorder.
1. Dissociative memory: There is a period of memory loss, not forgetfulness, and the patient is confused by the fact that when changing identities, he or she may recall fragments of memories from the other identity and be disturbed by them.
2. Dissociative identity changes: the different personalities are independent of each other, unrelated, and alternate.
3. Mood disorders: Most dissociative identity disorders are consistent with the diagnosis of depressive disorder, and may also include anxiety, sleep disturbances, and irritability.
4. Others: obsessive-compulsive symptoms, delusions, etc.
If there are similar symptoms, you should seek medical treatment under the guidance of a psychiatrist, do not make your own judgment to avoid adverse consequences.