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Emergence of Ptsd-Type Reactivity in Sprague-Dawley Rats Following Prenatal Gamma Irradiation

  • Matti Mintz
  • Michael Myslobodsky
Part of the Neurobiological Foundation of Aberrant Behaviors book series (NFAB, volume 1)

Abstract

Posttraumatic Stress Disorder (PTSD) is believed to be precipitated by stressors which are markedly distressing to almost anyone (DSM-III), so that the major experimental paradigms relevant for modeling PTSD have emphasized the necessity of traumatic history for development of conditioned fear. By contrast, the necessity of an innate (unconditioned) fear as a prerequisite for PTSD has not received a proper hearing. The potential of the traumatic precipitant is somewhat reduced by the fact that not everyone will have gone to pieces in conditions of severe stress whereas others are expected to develop PTSD following relatively ‘mild’ psychological trauma (Foy et al., 1987). Lord Taylor (1978) noticed that during WWII, only a fraction of the civil population (about 10%) were afflicted in the bombed cities in England. Somewhat apologetically he called them “the psychopathic tenth.” This variation in response to stress is in keeping with an old conviction that the syndrome “depends not only upon the kind of injury, but upon the kind of brain” (Symonds, 1937, p. 464).

Keywords

Posttraumatic Stress Disorder Startle Response Prepulse Inhibition Acoustic Startle Startle Habituation 
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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© Springer Science+Business Media New York 2000

Authors and Affiliations

  • Matti Mintz
  • Michael Myslobodsky

There are no affiliations available

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