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The fight or flight response is controlled by what part of the brain?

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The fight or flight response is controlled by the amygdala, which is located in both hemispheres of the brain, within the temporal lobes. When you sense a threat or are fearful, this sets off the amygdala, which then sets off the sympathetic nervous system and the HPA axis (hypothalamic-pituitary-adrenal axis). The following diagram illustrates how the amygdala controls the fight or flight response:

answered Apr 3, 2016 by drcarlo (295,840 points)