The Korean Journal of Health Psychology
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The Effects of Somatoform and, Psychoform Dissociation and Hyperarousal on Posttraumatic Stress Symptoms: A Pilot Study
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Abstract
The purpose of the present study was to examine the effects of somatoform and, psychoform dissociation and hyperarousal on posttraumatic stress symptoms. We also investigated the differences between the two groups in heart rate variability (HRV) under different conditions. The experimental group included 14 individuals who had experienced traumatic events within 3 months. The control group included 14 healthy individuals who were matched for gender and age to the experimental group. All participants were asked to complete a series of self-report questionnaires pre- and post-treatment. Their heart rate variability (HRV) was recorded at baseline, recall, and during the recovery periods (for 5 minutes in each period). The results showed that experimental group reported lower heart rate variability at baseline than the control group. Furthermore, the hierarchical regression analysis indicated that only somatic dissociation contributed significantly to the prediction of posttraumatic stress symptoms among the prediction factors of the present study. Finally, the clinical implications and several limitations of the present study were discussed.
- keywords
- trauma, dissociation, hyperarousal, heart rate variability (HRV), 외상, 해리, 과각성, 심박변이도
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