A cross-cultural study of reactivation of posttraumatic stress disorder symptoms

American and cambodian psychophysiological response to viewing traumatic video scenes

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40 Citations (Scopus)

Abstract

A physiological hyperarousal state, which can be reactivated by traumatic stimuli, occurs frequently in patients with posttraumatic stress disorder (PTSD). The goals of this study were to determine whether physiological hyperarousal measured by increased heart rate is a specific response to reminders of a patient's own traumatic events or a more generalized hyperarousal state. Five brief videotape scenes of traumatic events (hurricane, auto accident, Cambodian refugee camp, domestic violence, and Vietnam War) were shown to two patient groups with PTSD (Vietnam veterans and Cambodian refugees) and three control groups (Vietnam veterans, Cambodian refugees, and nonpatient Americans). Observations of subjects' behavior, subjective ratings of distress, and heart rate change were recorded and evaluated. The results indicated that Cambodians with PTSD had the most reactions as measured by behavior and heart rate changes. These tended to occur during all scenes, not just the specific Cambodian scene, indicating a general nonspecific arousal. The Vietnam veterans had the fewest changes implying an inhibition of response. The control groups were intermediate in physiological response. The response in PTSD patients to reactivation scenes is complex and probably relates to type and degree of trauma, as well as to culture.

Original languageEnglish (US)
Pages (from-to)670-676
Number of pages7
JournalJournal of Nervous and Mental Disease
Volume186
Issue number11
DOIs
StatePublished - Nov 1998

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Asian Americans
Vietnam
Post-Traumatic Stress Disorders
Refugees
Veterans
Heart Rate
Cyclonic Storms
Control Groups
Videotape Recording
Domestic Violence
Arousal
Accidents
Wounds and Injuries

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

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title = "A cross-cultural study of reactivation of posttraumatic stress disorder symptoms: American and cambodian psychophysiological response to viewing traumatic video scenes",
abstract = "A physiological hyperarousal state, which can be reactivated by traumatic stimuli, occurs frequently in patients with posttraumatic stress disorder (PTSD). The goals of this study were to determine whether physiological hyperarousal measured by increased heart rate is a specific response to reminders of a patient's own traumatic events or a more generalized hyperarousal state. Five brief videotape scenes of traumatic events (hurricane, auto accident, Cambodian refugee camp, domestic violence, and Vietnam War) were shown to two patient groups with PTSD (Vietnam veterans and Cambodian refugees) and three control groups (Vietnam veterans, Cambodian refugees, and nonpatient Americans). Observations of subjects' behavior, subjective ratings of distress, and heart rate change were recorded and evaluated. The results indicated that Cambodians with PTSD had the most reactions as measured by behavior and heart rate changes. These tended to occur during all scenes, not just the specific Cambodian scene, indicating a general nonspecific arousal. The Vietnam veterans had the fewest changes implying an inhibition of response. The control groups were intermediate in physiological response. The response in PTSD patients to reactivation scenes is complex and probably relates to type and degree of trauma, as well as to culture.",
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