Amygdala volume changes in PTSD-affected veterans

Amygdala volume changes in posttraumatic stress disorder in a large case-controlled veterans group

Assessment of military veterans with PTSD and trauma-exposed control subjects, with sufficient power to perform a definitive assessment of the effect of PTSD on volumetric changes in the amygdala and hippocampus and of the contribution of illness duration, trauma load, and depressive symptoms.