Finding a home for post-traumatic stress disorder in biological psychiatry. Is it a disorder of anxiety, mood, stress, or memory?

The collection of articles in this issue constitutes the most thorough review of posttraumatic stress disorder (PTSD) yet. At this point, the accumulated phenomenological, epidemiological, biological, and treatment evidence make it crystal clear that PTSD stands alone as a unique psychiatric disorder. It is not the same as depression, although many PTSD patients are also depressed, and it is not the same as the other anxiety disorders, although PTSD patients frequently also suffer with panic attacks, social avoidance, and obsessive ruminations.