ABSTRACT
The brain is constructed to save and support our lives. In an emergency where split-second assessments and reactions can make the difference between life and death, the subcortical areas of our brain prepare us for instant, life-preserving reactions of fight, flight, or freeze. These regions within the RH are fast enough to appraise potential threat and able to mobilize massive neuromodulatory responses through the sympathetic nervous system (SNS) and via the release of stress chemicals (catecholamines and glucocorticoids).
