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DISSOCIATIVE PHENOMENOLOGY OF DISSOCIATIVE IDENTITY DISORDER

DELL, PAUL F. Ph.D.1

The Journal of Nervous and Mental Disease: January 2002 - Volume 190 - Issue 1 - p 10-15
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The goal of this study was to investigate the dissociative phenomenology of dissociative identity disorder (DID). The Multidimensional Inventory of Dissociation (MID) was administered to 34 patients with DID, 23 patients with dissociative disorder not otherwise specified (DDNOS), 52 patients with mixed psychiatric disorders, and 58 normal individuals. DID patients obtained significantly higher scores than the other three groups on 27 dissociation-related variables. DDNOS patients had significantly higher scores than normals and mixed psychiatric patients on 17 and 15 dissociation-related variables, respectively. The findings of the present study are virtually identical to a large body of replicated findings about the dissociative phenomenology of DID. This broad range of dissociation-related phenomena, which routinely occurs in individuals with DID, is largely absent from the DSM-IV-TR account of DID. Factor analysis of the 11 dimensions of dissociation that are measured by the MID extracted only one factor that accounted for 85% of the variance. It was concluded that dissociation is a unifactorial taxon or natural type that has different aspects or epiphenomena (i.e., amnesia, depersonalization, voices, trance, etc.).

1 Trauma Recovery Center, a program of Psychotherapy Resources of Norfolk, 330 W. Brambleton Ave, Suite 206, Norfolk, Virginia 23510. Send reprint requests to Dr. Dell.

This paper was presented in part at the 17th annual fall conference of the International Society for the Study of Dissociation,San Antonio, TX, November 12, 2000.

© 2002 Lippincott Williams & Wilkins, Inc.