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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.
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]
If you’re having trauma responses like fight, flight, or freeze frequently and stay in a heightened state afterward, you might be experiencing nervous system dysregulation.
The “fight-or-flight response” is the body’s automatic reaction to stressful situations. ... Besides “fight” or “flight,” a “freeze” response may occur as a coping or survival ...
Freezing behavior, also called the freeze response or being petrified, is a reaction to specific stimuli, most commonly observed in prey animals, including humans. [1] [2] When a prey animal has been caught and completely overcome by the predator, it may respond by "freezing up/petrification" or in other words by uncontrollably becoming rigid or limp.
The reaction occurs in certain situations and is at the opposite end of the spectrum as fight or flight. ... 13 Signs You’re Experiencing a Freeze Stress Response.
The clusters of the amygdala are activated when an individual expresses feelings of fear or aggression. This occurs because the amygdala is the primary structure of the brain responsible for fight or flight response. Anxiety and panic attacks can occur when the amygdala senses environmental stressors that stimulate fight or flight response.
Freeze Response Hearst Owned /ˈfrēz ri-ˈspän(t)s/ You’ve heard of fight or flight—but wait, there’s more! Freezing is another way our nervous system responds when faced with a threat ...