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Identification of and At-Risk Interventions for Pre-Deployment Psychophysiologic Predictors of Post-Deployment Mental Health Outcomes

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Annual rept. 15 Sep 2011-29 Sep 2012

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The primary objectives of this proposal are to develop objective pre-deployment predictors of PTSD and test two pre-deployment resiliency interventions. Objective predictors are as follows 1 physiologic reactivity to combat-related virtual reality environments and white noise startle, and 2 cognitive bias assessment. We also will test two pre-deployment resiliency interventions 1 video game-based heart rate variability biofeedback training, and 2 computerized cognitive bias training. Objective assessment and training measures are more reliably measured and could be early indicators of resiliencevulnerability. We will collect pre-deployment physiologic reactivity and cognitive bias data from Army National Guard andor Reserve members within 12 months of OIFOEF deployment. We plan to consent up to 600 soldiers to complete 500 pre-deployment assessments. Subjects will be randomized to one of three groups heart rate variability biofeedback training, cognitive bias training, or no additional training. Follow-up data will be collected at 3- and 12- months post-deployment. Using the pre-deployment data, we found significant correlations in the expected directions between the cognitive bias assessment sensitivity and response bias and the Post-Traumatic Cognitions Inventory, Connor-Davidson Resilience Scale, Brief Symptom Inventory, and PTSD Checklist Avoidance Cluster. These findings provide evidence to support the validation of the cognitive bias assessment used in this study. We also found significant correlations between pre-deployment heart rate variability measures and self-report symptom measures among younger soldiers age30 years that differed by prior combat deployment status. Pre-deployment baseline and 3-month early post-deployment assessments are completed. The follow-up rate for early post-deployment assessments was 308418 74. Twelve-month post-deployment data collection will start in January 2013.

Subject Categories:

  • Psychology
  • Personnel Management and Labor Relations
  • Anatomy and Physiology
  • Military Operations, Strategy and Tactics

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