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Biological approach psychology

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Why bother with a post grad? Are they even worth it? Have your say! 26-10-2016
    • Thread Starter

    How has stress evolved to become a survival advantage?

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    Just quoting in Puddles the Monkey so she can move the thread if needed
    (Original post by Puddles the Monkey)

    Hi! Not sure if you're doing GCSE or A level, but I'm revising for my AS resit right now and im currently doing stress so I'll try give you an answer
    I guess you could say that the stress responses activates the body for activity. For example, the hypothalamic-pituitary-adrenal axis (hormonal response) stimulates the release of corticosteroids which can have the effect of increasing blood glucose levels, thus increasing availablity of glucose for respiration for energy. Equally the sympathetic-adreno-medullary pathway (Nervous system response) leads to the release of adrenaline, which activates the sympathetic nervous system- thus increasing heart rate and basically leading to the fight or flight response- muscle tension, vasodilation, increasing breathing rate etc.

    Therefore you could say stress is evolutionary because stress may occur in times of danger (say being chased by a lion), and the components of the stress response such as the release of adrenaline prepare the body for activity- either to fight the stressor or run from it.

    Hope that helps a bit
    • Thread Starter

    thank youuuu, yeah I'm doing a levels my teacher had set questions similar to that one for homework without explaining any of it. Anyway, thanks again
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