Post-traumatic stress disorder (PTSD) is an anxiety disorder developed due to the occurrence of traumatic events that include accidents by vehicle, events of terrorism, sexual assault, etc.
Symptoms of PTSD include hyper-arousal, recurring flashbacks of traumatic events, avoiding the memories of the event etc. that continue for months or years after the traumatic event. This indicates the enhanced sensitization of an individual towards the traumatic event.
Thus, the blanks can be filled with posttraumatic stress disorder (or PTSD); sensitization.