San Diego -- Once a week, Pfc. Joshua Frey, a Marine who spent several months in Fallujah before he was shot Dec. 12, heads to a darkened office in the Naval Medical Center here and places a headset over his eyes.
He attaches biofeedback sensors to his arms, hands and chest, grabs hold of a joystick and enters a video game version of the Iraq war. As he moves through a "virtual" Fallujah, he encounters sniper fire, explosions and insurgents lurking in shadows. A Navy psychologist checks readouts from a flat- screen monitor showing the Marine's heart rate, breathing, hand perspiration and skin temperature.
But for Frey and the U.S. military, this is no game. It is part of a potentially groundbreaking approach to treating the effects of severe combat stress, in Iraq and elsewhere.
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