Dr. holt is working with a client named sam who has suffered tremendous sexual abuse during his childhood. as they begin to talk about some of the incidences of abuse, sam suddenly changes his entire demeanor, shrinking back in his chair and using a little girl's voice who says, "sam can't talk to you about that. if you want that information, you will have to come to me." sam may have

dissociative identity disorder.

Explanation:

Dissociative identity disorder refers to a mental disorder in which an individual starts to exhibit the personalities of two or more than two. Earlier it was known as Multiple personality disorder. The symptoms of the disorder can easily be analyzed in their behavior and the way they present them. Childhood traumas are one of the reasons which lead to this disorder. Individuals with such disorders are to be provided with special care. Regular counseling must be accessed to them frequently.