psychology stress diagram

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  • Created by: mmcbride
  • Created on: 20-03-15 12:41
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  • Acute stress (immediate)
    • The sympatho - medullary system
      • Hypothalamus perceives stress
        • The symapthetic nervous system
          • Noradrenaline
            • Adrenal medulla (middle/center)
              • Adrenaline - increases glucose mobilisation + suppresses non-emergency processess
    • The Autonomic nerve system
      • Chronic stress (ongoing)
        • The pituitary adrenal system
          • Hypothalamus percieves a threat
            • Corticotrophin releasing factor
              • Pituitary gland
                • adreno -corticotropic hormone is released
                  • Adrenal cortex (outer/cover)
                    • Cortisol is released - causes stress effects on the body
  • Chronic stress (ongoing)
    • The pituitary adrenal system
      • Hypothalamus percieves a threat
        • Corticotrophin releasing factor
          • Pituitary gland
            • adreno -corticotropic hormone is released
              • Adrenal cortex (outer/cover)
                • Cortisol is released - causes stress effects on the body
  • Negative effects of cortisol on the body
    • Lowered immune system
    • High blood presure
    • Impaired cognitive performance
  • Positive effects of corisol on the body
    • Lower sensitivity to pain
    • Quick burst of energy

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