A Single Session, Group Study of Exposure and Eye Movement Desensitization and Reprocessing in Treating Posttraumatic Stress Disorder Among Vietnam War Veterans
“…Greater reductions in distress for EM over no-EM conditions have been consistently found The rapid reduction of distress and vividness associated with negative memories using EMDR has also been noted by researchers who have used a single EMDR session to treat PTSD (Rogers et al, 1999). Despite EMDR being an effective intervention for rapidly reducing the intensity of negative memories, and that EMs appear to add to this effect, what…”
Section: The Effects Of Eye Movements Vs No Eye Movements In Emdrmentioning
“…Greater reductions in distress for EM over no-EM conditions have been consistently found The rapid reduction of distress and vividness associated with negative memories using EMDR has also been noted by researchers who have used a single EMDR session to treat PTSD (Rogers et al, 1999). Despite EMDR being an effective intervention for rapidly reducing the intensity of negative memories, and that EMs appear to add to this effect, what…”
Section: The Effects Of Eye Movements Vs No Eye Movements In Emdrmentioning
“…1). Sixteen concerned 11 RCTs and were used for objectives (1) and (2) [22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37]. The remaining 7 publications reported on 5 trials which were used for objective (3) [38,39,40,41,42,43,44].…”
Background: Trauma-focused cognitive-behavioral therapy (TF-CBT) and eye movement desensitization and reprocessing (EMDR) are effective treatments for posttraumatic stress disorder. However, little is known about their neurobiological effects. The usefulness of neurobiological measures to predict the treatment outcome of psychotherapy also has yet to be determined. Methods: Systematic review of randomized controlled trials (RCTs) focused on neurobiological treatment effects of TF-CBT or EMDR and trials with neurobiological measures as predictors of treatment response. Results: We included 23 publications reporting on 16 separate trials. TF-CBT was compared with a waitlist in most trials. TF-CBT was associated with a decrease in heart rate and blood pressure and changes in activity but not in volume of frontal brain structures and the amygdala. Neurobiological changes correlated with changes in symptom severity. EMDR was only tested against other active treatments in included trials. We did not find a difference in neurobiological treatment effects between EMDR and other treatments. Publications on neurobiological predictors of treatment response showed ambiguous results. Conclusion: TF-CBT was associated with a reduction of physiological reactivity. There is some preliminary evidence that TF-CBT influences brain regions involved in fear conditioning, extinction learning and possibly working memory and attention regulation; however, these effects could be nonspecific psychotherapeutic effects. Future trials should use paradigms aimed specifically at these brain regions and physiological reactivity. There are concerns regarding the risk of bias in some of the RCTs, indicating that methodologically more rigorous trials are required. Trials with neurobiological measures as predictors of treatment outcome render insufficient results to be useful in clinical practice.
“…Several of the RCTs included treatment satisfaction measures [11,13,28,31,33,36] and found that participants reported a positive experience with group treatment and a perceived benefit from the treatment. The positive treatment satisfaction ratings raise the possibility that patients are benefiting in ways that may not be captured by the outcome measures included in existing clinical trials.…”
Section: What We Do Not Know About Group Treatment For Ptsdmentioning
Abstract-The purpose of this article is to provide a brief review of group treatment for posttraumatic stress disorder (PTSD). This review includes a description of group-based treatments for PTSD and the available data on the efficacy of group treatment for PTSD. The literature review indicates that group treatment for PTSD is efficacious compared with no treatment. However, specific types of group treatment are not efficacious when compared with a nonspecific group treatment, such as psychoeducation or supportive counseling. Recommendations for practice and research are made in light of the available literature.
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