As far as the psychological effects of terrorism are concerned I have seen on the TV many times the psychologists using the term PTSD
This stands for "Post Traumatic Stress Disorders" and it involves anxiety disorders related to terrorism and any form of traumatic event like earthquakes, wars and similar etc.
You can read out a complete wikipedia article on PTSD
here
Moreover, I have also seen in documentaries that many of the world war soldiers who managed to survive but later they were so much mentally disturbed.
I hope you can find some facts while searching for PTSD over the internet
I'll also try to add some if I get
