acute stress disorder
- development of characteristic symptoms within the first 4 weeks after a psychologically traumatic event that was outside the range of usual human experience. These include dissociative phenomena (numbing or detachment), decreased awareness of surroundings, derealization, depersonalization, and selective amnesia; reexperiencing the event and attempting to avoid stimuli reminiscent of the trauma, marked anxiety, and various symptoms of autonomic arousal.
- a DSM diagnosis that is established when specified criteria are met.
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