pamela suffers from a rare disorder in which two distant personalities exist each dominating at particular times the condition pamela is suffering from is called

Dissociative Identity Disorder.

Explanation:

Dissociative identity disorder, formerly known as multiple personality disorder, is a type of mental disorder in which a person is characterized to hold two or more distant personalities.

In this type of personality disorder, the patient switches between the distinct personalities that he/she holds in his/her mind. The distinct personalities are marked with distinct behaviors, memory, and thinking.

In the given scenario, Pamela is suffering from Dissociative Identity Disorder (DID), which is taught to many clinicians a rare form of disorder. In DID each personality dominate the person at a particular times.

So, the correct  answer is Dissociative Identity Disorder.

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