What Part Of The Brain Controls Fight Or Flight
Camila Farah
The fight or flight response is controlled by the amygdala which is located in both hemispheres of the brain within the temporal lobes.
The fight or flight response is recognized as part of the first stage of hans selye s general adaptation syndrome. The fight or flight response is the term used for the activation of the sympathetic. If the amygdala senses danger it makes a split second decision to initiate the fight or flight response before the neocortex has time to overrule it. Therefore the thalamus is the first brain area involved in the fight or flight response as it brings the possibility of danger to the attention of your brain.
The amygdala as you know there are two of them one on each side of the brain does initiate the fight or flight response through inputs into the hypothalamus triggering the hormonal part of that response and to brainstem control centers of the sympathetic nervous system for the neural parts of the fight or flight response. The hypothalamus in close association with the limbic system of the brain. The sympathetic nervous system and the parasympathetic nervous system. 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 amygdala responds by sending signals to the hypothalamus which stimulates the autonomic nervous system ans. The fight or flight response is a physiological reaction that either prepares our bodies to stay and fight or to flee. The sympathetic nervous system. The thalamus area of the human brain decides where to send incoming sensory data from the skin mouth eyes nose and ears.
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The ans consists of the sympathetic and parasympathetic nervous systems. When you feel threatened and afraid the amygdala automatically activates the fight or flight response by sending out signals to release stress hormones that prepare your body to fight or run away. However when faced with a threatening situation the thalamus sends sensory information to both the amygdala and the neocortex.
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