The "Example Case History" of Derek B. presented in Chapter 7 provides an overview of the first several years of his life, which included some abnormal behavior. The final diagnosis was that he suffered from what is called .

The correct answer is MULTIPLE PERSONALITY DISORDER

Explanation: Multiple Personality Disorder also called Dissociative Identity Disorder (DID) is a disorder characterised by the presence of two or more different personality states. It is usually a reaction to trauma as a way to help a person avoid bad memories. In such a case the individual may have different unique names and personal

history.

multiple personally disorder

Explanation:

It is disorder characterised by the presence of two or more distinct personality states.

multiple personality disorder is usually a reaction to trauma as a way to help a person avoid bad memories.

People with multiple personality disorder develop one or more alternate personalities that function with or without the awareness of the person’s usual personality.

Multiple personally disorder is one of a group of conditions called dissociative disorders. Dissociative disorders are mental illnesses that involve disruptions or breakdowns of memory, consciousness or awareness, identity and perception.

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