Chapter 16.Dissociative Disorders
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Excerpt
The dissociative disorders involve a disturbance in the integrated organization of consciousness, memory, identity, emotion, perception, body representation, motor control, and behavior. Events normally experienced on a smooth continuum are isolated from the other mental processes with which they would ordinarily be associated. This discontinuity results in a variety of dissociative disorders depending on the primary cognitive process affected. When memories are poorly integrated, the resulting disorder is dissociative amnesia. If the amnesia also includes aimless wandering, the specifier “with dissociative fugue” is used. Fragmentation of identity results in dissociative identity disorder (DID). Disordered perception yields depersonalization/derealization disorder and, in conjunction with the symptoms of posttraumatic stress disorder (PTSD), produces its dissociative subtype. Dissociation of aspects of consciousness is also involved in acute stress disorder.
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