Stressors
- Created by: dominique_jlsxx
- Created on: 26-04-15 22:18
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- Stressors
- The stimulus that causes stress (e.g exams)
- Acute stress- SAM pathway
- Hypathalamus activates the sympathetic branch of the ANS.
- Neurons released and adrenal medualla is activated which releases adrenaline and noradrenaline
- Fight or flight. increased alterness, blood pressure, breathing rate etc
- Neurons released and adrenal medualla is activated which releases adrenaline and noradrenaline
- Hypathalamus activates the sympathetic branch of the ANS.
- Chronic stress- HPA pathway
- The hypathalamus activates the pituitary gland in the brain
- This causes the release of ACTH hormones, which stimulate the adrenal cortex to release cortico steroids- cortisol
- Constant supply of energy to muscles but suppressed immune system to conserve energy
- This causes the release of ACTH hormones, which stimulate the adrenal cortex to release cortico steroids- cortisol
- The hypathalamus activates the pituitary gland in the brain
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