Shell shock

Term for post-traumatic stress disorder

Shell shock is a term that originated during World War I to describe the type of post-traumatic stress disorder (PTSD) that many soldiers experienced during the war, before PTSD was officially recognized. It is a reaction to the intensity of the bombardment and fighting that produced helplessness, which could manifest as panic, fear, flight, or an inability to reason, sleep, walk, or talk.

This keyword could refer to multiple things. Here are some suggestions: