Seyle's GAS Response: Alarm Reaction
- Created by: tidytayah
- Created on: 17-10-14 21:26
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- Stage 1: Alarm Reaction
- Once the stressful event has been registered, the body needs additional energy to deal with it.
- Perception of a stressful event causes stimulation of the hypothalamus in the brain.
- This activates the sympathetic branch of the autonomic nervous system (ANS).
- Sympathetic activation stimulates the adrenal glands.
- The adrenal glands sit above the kidneys and are made up of 2 parts. The inner part is called the adrenal medulla
- The adrenal medulla then releases 2 hormones - adrenaline and noradrenaline- into the bloodstream.
- Both help the body in energy expenditure (fight or flight) by increasing heart rate, blood pressure and blood sugar levels.
- The adrenal medulla then releases 2 hormones - adrenaline and noradrenaline- into the bloodstream.
- The adrenal glands sit above the kidneys and are made up of 2 parts. The inner part is called the adrenal medulla
- Sympathetic activation stimulates the adrenal glands.
- This activates the sympathetic branch of the autonomic nervous system (ANS).
- Perception of a stressful event causes stimulation of the hypothalamus in the brain.
- Once the stressful event has been registered, the body needs additional energy to deal with it.
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