Differential activity of subgenual cingulate and brainstem in panic disorder and PTSD

▶ Panic disorder (PD) and posttraumatic stress disorder (PTSD) share similar symptoms and both are thought of disorders of fear learning. ▶ Directly comparing neural correlates of fear learning of both disorders. ▶ PD patients show abnormal (inverse) activity in key fear regions. ▶ PTSD patients lack habituation in key fear regions.