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Increase of precuneus metabolism correlates with reduction of PTSD symptoms after EMDR therapy in military veterans: an 18F-FDG PET study during virtual reality exposure to war (European journal of nuclear medicine and molecular imaging)

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Home / Resources / PTSD / Increase of precuneus metabolism correlates with reduction of PTSD symptoms after EMDR therapy in military veterans: an 18F-FDG PET study during virtual reality exposure to war (European journal of nuclear medicine and molecular imaging)

Increase of precuneus metabolism correlates with reduction of PTSD symptoms after EMDR therapy in military veterans: an 18F-FDG PET study during virtual reality exposure to war

Study to identify, after EMDR therapy, regions of brain metabolism that evolve during stress exposure of a war scene in veterans with PTSD.


Article Abstract

“Purpose: The prevalence of posttraumatic stress disorder (PTSD) is higher among veterans, and can lead to disastrous consequences such as suicide. Eye movement desensitization and reprocessing (EMDR) is recommended in first-line psychotherapies for PTSD. Virtual reality exposure (VRE) coupled with 18F-FDG PET imaging can highlight the activated brain regions during stress exposure. The objective of this study is to identify, after EMDR therapy, the regions of brain metabolism that evolve during the stress exposure of a war scene with symptomatic remission in a group of military veterans suffering from PTSD, and to secondarily search for predictive metabolic features.

Methods: We recruited 15 military veterans suffering from PTSD who performed an 18F-FDG PET sensitized by the exposure to a virtual war scene, before (T0) and after (T1) EMDR therapy. Statistical parametric mapping was used to compare brain metabolism before and after treatment and to study correlations between metabolism and evolution scores on PTSD clinical scales (PTSD Checklist Scale, PCLS; Clinician-Administered PTSD Scale, CAPS).

Results: The metabolic activity of the precuneus was increased after EMDR therapy (p < 0.005 uncorrected, k > 180) and correlated with clinical improvement with the CAPS scale (r = −0.73 and p < 0.001). Moreover, the precuneus metabolic value before therapy predicted the clinical improvement on the PCLS scale (T1-T0) after EMDR (r = −0.667 and p < 0.006).

Conclusion: The clinical improvement in military patients with PTSD after EMDR is related to increased precuneus metabolism upon VR stress exposure.”

—Description from publisher

Article Access

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Rousseau, P. F., Malbos, E., Verger, A., Nicolas, F., Lançon, C., Khalfa, S. et al. (2019). Increase of precuneus metabolism correlates with reduction of PTSD symptoms after EMDR therapy in military veterans: an 18F-FDG PET study during virtual reality exposure to war. European journal of nuclear medicine and molecular imaging, 1-5. https://doi.org/10.1007/s00259-019-04360-1

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Basic Info Collapse

Date
August 1, 2019

Creator(s)
P. F. Rousseau, E. Malbos, A. Verger

Contributor(s)
F. Nicolas, C. Lançon, S. Khalfa, Eric Guedj

Topics
PTSD

Client Population
Military/Veterans

Practice & Methods
Mechanisms of Action, Neurobiology

More Info Collapse

Extent
5 pages

Publisher
Springer

Rights
Copyright © 2019, Springer-Verlag GmbH Germany, part of Springer Nature

APA Citation
Rousseau, P. F., Malbos, E., Verger, A., Nicolas, F., Lançon, C., Khalfa, S. et al. (2019). Increase of precuneus metabolism correlates with reduction of PTSD symptoms after EMDR therapy in military veterans: an 18F-FDG PET study during virtual reality exposure to war. European journal of nuclear medicine and molecular imaging, 1-5. https://doi.org/10.1007/s00259-019-04360-1

Audience
EMDR Therapists, Other Mental Health Professionals

Language
English

Content Type
Article

Access Type
External Resource

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