en PTSD Linked To Smaller Part Of Brain <p>Post traumatic stress disorder may be linked to a smaller brain area regulating fear and anxiety response. That's the finding of a <a href="" TARGET="_blank">new study</a> from researchers at Duke. Psychiatry professor Raj Morey works at <a href="" TARGET="_blank">Duke</a> and the <a href="" TARGET="_blank">Durham VA</a>. He's the lead author of the study. Tue, 06 Nov 2012 12:35:00 +0000 Isaac-Davy Aronson 4136 at