For all the attention focused on posttraumatic stress disorder (PTSD) in recent years, doctors have never had a clear-cut way to be certain a patient has it. But Minnesota scientists now believe they have found a long-sought PTSD fingerprint that confirms the disorder by measuring electromagnetic fields in the brain. The finding, detailed in the latest issue of the Journal of Neural Engineering, could help the 300,000 cases of PTSD that are anticipated among the 2 million U.S. troops who have gone to war in Afghanistan and Iraq.
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