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Response to an acute threat to survival
- fight-or-flight response, response to an acute threat to survival that is marked by physical changes, including nervous and endocrine changes, that prepare a human or an animal to react or to retreat.
www.britannica.com › science › fight-or-flight-response
Jun 4, 2024 · Fight or Flight Instinct. You’ve probably heard of fight or flight before; it’s also sometimes referred to as fight, flight, or freeze. It’s a stress response that happens in our bodies when something is mentally or physically terrifying or too overwhelming for us.
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Nov 9, 2023 · The fight or flight response is the body’s natural physiological reaction to stressful, frightening, or dangerous events. It is activated by the perception of threat, quickly igniting the sympathetic nervous system and releasing hormones, preparing the body to face a threat or run to safety.
May 31, 2024 · fight-or-flight response, response to an acute threat to survival that is marked by physical changes, including nervous and endocrine changes, that prepare a human or an animal to react or to retreat.
- The Editors of Encyclopaedia Britannica
Oct 16, 2023 · The fight-or-flight response (or acute stress response) is a set of physiological changes that occur when an animal is threatened. The changes include increased heart rate, breathing rate and blood pressure. This response was first described by W.B Cannon.
Jun 17, 2024 · The fight-or-flight state is a physiological reaction that prepares our bodies to stay and fight or to flee. Learn what happens during a fight-or-flight response and why.
The fight or flight response is a “response to an acute threat to survival that is marked by physical changes, including nervous and endocrine changes, that prepare a human or an animal to react or to retreat” (Britannica, 2019). In other words, it is what our body does when encountering a threat.
The fight-or-flight or the fight-flight-freeze-or-fawn (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 in 1915.
