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Summary

Ellert R.S. Nijenhuis, Ph.D., is a psychologistPsychologists usually have an advanced degree, most commonly in clinical psychology, and often has extensive training in research. Psychologists use psychotherapy (often referred to as "talk therapy" or just "therapy") to treat mental disorders. Some psychologists specialize in psychological testing and evaluation., psychotherapistPyschotherapists are often called a 'therapists'. These professionals may be a psychiatrist, psychologist or other mental health professional who have specialist training in psychotherapy. They are qualified to work with patients in a clinical setting., and researcher. He received his Ph.D. with the highest honors for the book Somatoform dissociationDissociation is a compartmentalization of experience, where elements of a trauma are not integrated into a unified sense of the self. {{Rp|4-810, 127}}The lay persons idea of [[dissociation]], that which exists in the normal mind, is not what is referred to in this document. {{Rp|233-234}}: Phenomena, measurement, and theoretical issues (also available as Somatoforme Dissoziation, Junfermann, 2006) In 1998 the International Society for the Study of Trauma and DissociationDissociation is a compartmentalization of experience, where elements of a trauma are not integrated into a unified sense of the self. {{Rp|4-810, 127}}The lay persons idea of [[dissociation]], that which exists in the normal mind, is not what is referred to in this document. {{Rp|233-234}} (ISSTD) granted him the Morton Prince Award for Scientific Excellence; in 2000 the Pierre Janet Writing Award; in 2002 the status of Fellow, and in 2005 the David Caul Memorial Award. He works at the Top Referent Trauma Center of Mental Health Care Drenthe, Assen, The Netherlands. His research addresses the psychology and psychobiology of chronic traumatization and dissociation. He has written many clinical and scientific articles, book chapters, and some books, he is a reviewer of several professional journals, and he provides presentations and workshops at many international conferences. In 2004 Queen Beatrix from the Netherlands appointed him Knight in the Order of the Dutch Lion for his outstanding contributions to the study and treatment of chronically traumatized individuals. With Onno van der Hart and Kathy Steele, he wrote The haunted self: Structural dissociationStructural dissociation (SD) is one of the three accepted etiological ideas for the etiology of dissociative identity disorder. {{Rp|158-165}} It also explains other specified dissociative disorder, dissociative forms of borderline personality disorder, and dissociative posttraumatic stress disorder {{See also| Structural dissociation}}Structural dissociation of the personality is a theory that describes the effect of trauma on the personality. It applies to PTSD, complex PTSD, other specified dissociative disorder and dissociative identity disorder. and the treatment of chronic traumatisation (also available as Das verfolgte Selbst, Junfermann, 2008). The authors were awarded ISSTD’s Media Award for this book.

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