Fight-or-flight response
PHYSIOLOGICAL REACTION TO A PERCEIVED THREAT OR HARMFUL EVENT
Flight or fight response; Fight or flight; Fight-or-flight; Fight or flight response; Flight-or-fight response; Shit scared; Flight or fight; Chronic bracing; Hyperarousal; Fight or Flee; Stress response; Fight or flight theory; Environmental stress theory; Chronic Bracing; Flight-or-fight; Fight, flight, freeze or fawn response; Fight-or-flight response (in animals); Fight-or-flight response (in humans); Flight or fight instinct; Fight, Flight or freeze
The fight-or-flight or the fight-flight-or-freeze response (also called hyperarousal or the acute stress response) is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. It was first described by Walter Bradford Cannon.