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The fight-or-flight or the fight-flight-freeze-or-fawn [1] (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. [2] It was first described by Walter Bradford Cannon in 1915.
Taylor went into fight-or-flight, but quickly recovered. Fight-or-flight mode usually starts with a moment where people freeze to try to process what’s going on, Wood points out. ... or collapse ...
If the amygdala perceives a match to the stimulus, i.e., if the record of experiences in the hippocampus tells the amygdala that it is a fight, flight or freeze situation, then the amygdala triggers the HPA (hypothalamic–pituitary–adrenal) axis and "hijacks" or overtakes rational brain function. [5]
The fight-flight-freeze system (FFFS) was expanded to include all aversive/punishment stimuli, conditioned and unconditioned. Similarly, the Behavioral Activation System (BAS) was expanded to include all appetitive/reward stimuli. [26]
[35] Standard cognitive behavioral understanding of PTSD and anxiety disorders was grounded in an understanding of fight, flight, or freeze mechanisms in addition to conscious and unconscious, preprogrammed, automatic primal defensive action systems. [36]
Crews working at the site of the deadliest aviation disaster in a generation have recovered all 67 victims of the collision between two aircraft over the Potomac River in Washington, DC, officials ...
At 8.32am on 28 August 2023, French Bee flight BF731 was flying over the ocean between Artic Canada and the southern tip of Greenland on a routine journey from Los Angeles to Paris Orly airport.
The fight-or-flight response involves a general sympathetic nervous system discharge in reaction to a perceived stressor and prepares the body to fight or run from the threat causing the stress. Catecholamine hormones, such as adrenaline or noradrenaline , facilitate immediate physical reactions associated with a preparation for violent ...