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Brain ans stress response



When someone experiences a stressful event, the amygdala, an area of the brain that contributes to emotional processing, sends a distress signal to the hyppocampus. This area of the brain functions acts like a command center, communicating with the rest of the body through the nervous system so that the person has the energy to fight or flee to survival.


This ā€œfight-or-flightā€ response is responsible for the outward physical reactions most people associate with stress including increased heart rate, heightened senses, a deeper intake of oxygen and the rush of adrenaline.


Finally, a hormone called cortisol is released, which helps to restore the energy lost in the response.


When the stressful event is over, cortisol levels fall and the body returns to stasis. In addition to restoring balance to the body after a stress event, cortisol helps regulate blood sugar levels in cells and has utilitarian value in the hippocampus, where memories are stored and processed.


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