Victims of rape show increased cortisol responses to trauma reminders : a study in individuals with war- and torture-related PTSD

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Psychoneuroendocrinology. 2012, 37(2), pp. 213-220. ISSN 0306-4530. eISSN 1873-3360. Available under: doi: 10.1016/j.psyneuen.2011.06.005
Zusammenfassung

Studies investigating cortisol responses to trauma-related stressors in patients with posttraumatic stress disorder (PTSD) have yielded inconsistent results, demonstrating that cortisol responses were enhanced or unaffected when confronted with trauma reminders. This study investigated the effect of the type of trauma experienced on both salivary and plasma cortisol responses during confrontation with trauma-related material. Participants were 30 survivors of war and torture, with and without rape among the traumatic events experienced. Participants of both groups (raped vs. non-raped) fulfilled DSM-IV criteria of PTSD. Plasma and salivary cortisol levels were measured at three time points during a standardized clinical interview: once before and twice after assessing individual traumatic experiences. Results show that groups did not differ in basal plasma and salivary cortisol levels. However, differential salivary cortisol responses were observed in PTSD patients who had been raped compared to those who had not been raped (p < .05) but had experienced an equal number of traumatic events and showed equally high PTSD symptom severity. Whereas salivary cortisol levels decreased in the course of the interview for the group with no past experience of rape (p < .05), those PTSD patients who had been raped showed a significant cortisol increase when reminded of their traumatic events (p < .001). This effect was not found in plasma cortisol. Our results indicate that the type of traumatic stress experienced contributes to cortisol responses during the confrontation with trauma-related material. We hypothesize, that the nearness of the perpetrator during the traumatic event might shape later psychophysiological responding to trauma reminders.

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150 Psychologie
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Posttraumatic stress disorder, cortisol, rape, trauma type, tonic immobility, dissociation
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ISO 690GOLA, Hannah, Harald ENGLER, Maggie SCHAUER, Hannah ADENAUER, Carsten RIETHER, Stephan KOLASSA, Thomas ELBERT, Iris-Tatjana KOLASSA, 2012. Victims of rape show increased cortisol responses to trauma reminders : a study in individuals with war- and torture-related PTSD. In: Psychoneuroendocrinology. 2012, 37(2), pp. 213-220. ISSN 0306-4530. eISSN 1873-3360. Available under: doi: 10.1016/j.psyneuen.2011.06.005
BibTex
@article{Gola2012-02Victi-18114,
  year={2012},
  doi={10.1016/j.psyneuen.2011.06.005},
  title={Victims of rape show increased cortisol responses to trauma reminders : a study in individuals with war- and torture-related PTSD},
  number={2},
  volume={37},
  issn={0306-4530},
  journal={Psychoneuroendocrinology},
  pages={213--220},
  author={Gola, Hannah and Engler, Harald and Schauer, Maggie and Adenauer, Hannah and Riether, Carsten and Kolassa, Stephan and Elbert, Thomas and Kolassa, Iris-Tatjana}
}
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