- Following exposure to perceived life-threatening/traumatic event
- Sx x 1m from 3 main groups:
- 1. Re-experiencing→ intrusive thoughts, recollections, nightmares w/significant psychological & physiological stress
- 2. Avoidance behavior & generalized numbness→ avoids anything that triggers memories of event, feeling detached, losing interest in activities, using etoh/other sedating drugs
- 3. hyper-arousal→ irritability, outbursts of anger, insomnia, on-edge, difficulty concentrating, hyper-vigillance/safety concerns, easily startled