The freeze response of the autonomic nervous system is a defense mechanism when the body goes through major trauma. If a threat overwhelms the defense cascade of fawn, fight or flight, then the parasympathetic ANS will activate a freeze response to imitate death. When we move down the 4F threat cascade from fawn, to fight and flight and we still register danger, the freeze response is activated by the dorsal vagal pathway. This causes immobility, slows heart rate and breath to a minimum, increas

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