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Brain Anatomy May Play Role in Post-Traumatic Stress Disorder

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In combat veterans with post-traumatic stress disorder, the area of the brain that controls fear and anxiety responses is much smaller than normal, according to a new study.

The finding is the first to provide evidence that a smaller amygdala is associated with post-traumatic stress disorder (PTSD), but it's not clear whether this smaller size is caused by PTSD or whether people with a smaller...

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