Psychophysiological Assessment of Dissociative Disorders

  • Theodore P. Zahn
  • Richard Moraga
  • William J. Ray


The study of dissociative disorders by experimental methods such as those used in psychophysiological experiments presents special challenges not encountered in most other forms of psychopathology. In most disorders, patients are considered relatively stable for some period of time, lasting for days to years, and data gathered at any time is assumed to be representative of data gathered at any other time. In the typical study, a group of patients is tested (usually when symptomatic with the disorder) and compared with groups of patients with other disorders and/or normal controls. In the few instances where repeated testing in different symptomatic states is done at all, it is done for some extended period of time such as weeks or months. In major psychoses, for example, the periods of interest would be essentially when ill and in remission; or to take another example, manic, depressed, and euthymic could be the periods of interest. Likewise, the effects of a specific type of treatment such as behavior therapy or pharmacotherapy are investigated.


Temporal Lobe Epilepsy Emotional Word Skin Conductance Response Autonomic Nervous System Activity Dissociative Symptom 
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Copyright information

© Springer Science+Business Media New York 1996

Authors and Affiliations

  • Theodore P. Zahn
    • 1
  • Richard Moraga
    • 2
  • William J. Ray
    • 2
  1. 1.Laboratory of Psychology and PsychopathologyNational Institute of Mental HealthBethesdaUSA
  2. 2.Department of PsychologyPennsylvania State UniversityPennsylvaniaUSA

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