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Recent Developments in the Neurobiology of Dissociation

Implications for Posttraumatic Stress Disorder
  • John H. Krystal
  • Alexandre Bennett
  • J. Douglas Bremner
  • Steven M. Southwick
  • Dennis S. Charney

Abstract

There is a growing recognition by researchers and clinicians that dissociative states are an integral component of traumatic stress response. The term dissociation has been employed to describe a spectrum of subjective experiences in which perceptual, affective, memory, and identity functions are altered. Particular symptoms or syndromes associated with dissociative states include distorted sensory perceptions, altered time perception, amnesia, derealization, depersonalization, conversion symptoms, fugue states, and multiple personality (Freud & Breuer, 1953; Mayer-Gross, 1935; Hilgard, 1977; Spiegel & Cardeña 1991; Bremner et al., 1992). Despite the broad array of symptoms associated with dissociative states in post-traumatic stress disorder (PTSD), some recent data suggest that these symptoms may be expressed across individuals as a single symptom cluster, rather than as independent clusters of symptoms (Bremner et al., in review).

Keywords

Panic Disorder Posttraumatic Stress Disorder Panic Attack Traumatic Memory Dissociative Symptom 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1996

Authors and Affiliations

  • John H. Krystal
    • 1
    • 2
  • Alexandre Bennett
    • 1
    • 2
  • J. Douglas Bremner
    • 1
    • 2
  • Steven M. Southwick
    • 1
    • 2
  • Dennis S. Charney
    • 1
    • 2
  1. 1.Department of PsychiatryYale University School of MedicineWest HavenUSA
  2. 2.Department of Veterans Affairs Medical CenterNational Center for PTSDWest HavenUSA

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