Study - SELYE: Selye identified the activation of The Pituritary adrenal system, and the Sympathomedullary pathway as the two main components of the bodys response to Stressors. When these two systems are aroused they prepare the body for energy expenditure. Corticosteriods, adreniline, noradreniline moberlise energy reserves, sustain blood flow, and heart rate, to get oxygen to the muscles.
Study CANNON (1914): Cannon called this pattern the 'Fight or Flight' response. Selye's experimental studies showed that this was also central to the stress response (observed in rats).
The physical or psychological stressor activated two pathways. General Adaptation Sundrome (GAS) explained the short-term effects of stressors. Stress related illness such as stomach ulcers.
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