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General Adaptation Syndrome
Modern ideas regarding stress and its effects on the body date from the classic work of physiologist Walter Cannon (1929). Cannon studied the physiological processes involved in the maintenance of homeostasis and observed what he called the fight-or-flight response. The fight-or-flight response involves a chain of biochemical reactions that begin with the stimulation of the cerebral cortex once the threat has been perceived. Among other responses, the cerebral cortex triggers the hypothalamus, which activates the sympathetic nervous system, which, in turn, stimulates the adrenal cortex to ...
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