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The present study developed a fast MEG source imaging technique based on Fast Vector-based Spatio-Temporal Analysis using a L1-minimum-norm (Fast-VESTAL) and then used the method to obtain the source amplitude images of resting-state magnetoencephalography (MEG) signals for different frequency bands. The Fast-VESTAL technique consists of two steps. First,(More)
Traumatic brain injury (TBI) is a leading cause of sustained impairment in military and civilian populations. However, mild (and some moderate) TBI can be difficult to diagnose because the injuries are often not detectable on conventional MRI or CT. Injured brain tissues in TBI patients generate abnormal low-frequency magnetic activity (ALFMA, peaked at 1-4(More)
OBJECTIVE This purpose of this study was to determine the incidence and types of preexisting mental disorders among military personnel who received mental health services in an Iraqi war zone. METHODS The study examined psychiatric histories of 1,078 American military personnel (Marines, 65%; Army, 23%; Navy, 11%; and Air Force, <1%) deployed to Iraq and(More)
The Marine Resiliency Study (MRS) is a prospective study of factors predictive of posttraumatic stress disorder (PTSD) among approximately 2,600 Marines in 4 battalions deployed to Iraq or Afghanistan. We describe the MRS design and predeployment participant characteristics. Starting in 2008, our research team conducted structured clinical interviews on(More)
A high percentage of Operation Iraqi Freedom (OIF) and Operation Enduring Freedom (OEF) combat veterans have been diagnosed with Posttraumatic Stress Disorder (PTSD) during and following their respective combat tours. Virtual Reality (VR) treatment has been documented as an exceptional treatment for anxiety disorders and specifically for PTSD. An Office of(More)
The current report summarizes a case study from an Office of Naval Research (ONR) funded project to compare the effects of virtual reality graded exposure therapy (VRGET) with cognitive behavioral group therapy in active-duty corpsmen. Details of the collaborative program between the Virtual Reality Medical Center (VRMC) and Naval Medical Center San Diego(More)
Mental health treatment of military service members places unique demands on providers as their patients experience combat stress. This study assessed levels and predictors of burnout among mental health providers (N = 97) at military facilities, using a self-administered survey of demographic and work-related measures and the Maslach Burnout Inventory.(More)
Research has documented higher risks for mental health problems among service members deployed to war zones, yet a research limitation has been that assessment has generally occurred often years after combat exposure. The Operational Stress Control and Readiness program integrated mental health practitioners with 1st Marine Division units serving in Iraq.(More)
Military personnel deployed in support of combat operations are at significantly higher risk for mental health problems. However, much of what we know about combat-related mental health comes from postdeployment assessments. This study describes the mental health of 1,336 treatment-seeking deployed U.S. military personnel and interventions recommended by(More)
Abstract Virtual reality (VR)-based therapy has emerged as a potentially useful means to treat post-traumatic stress disorder (PTSD), but randomized studies have been lacking for Service Members from Iraq or Afghanistan. This study documents a small, randomized, controlled trial of VR-graded exposure therapy (VR-GET) versus treatment as usual (TAU) for PTSD(More)