Brain damage suffered while fighting in a war can undermine core aspects of a soldier's personality and behavior. In two particular neural regions, however, such wounds actually protect combat veterans against developing the severe stress reaction known as post-traumatic stress disorder (PTSD), a new study finds.
These brain structures play crucial roles in causing PTSD after exposure to traumatic experiences, concludes a team led by neuroscientist Michael Koenigs of the National Institute of Neurological Disorders and Stroke (NINDS) in Bethesda, Md.
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