Stress as a bodily response A01's
- Created by: ellepardew
- Created on: 16-04-14 09:05
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A01
Stress = an individuals response to an unpleasent/threatening situation
Stress = a response to a stimulus (stressor) in our environment
Stress = a mismatch between dewmands and our ability to cope with them
Two systems that react to stress in the body;
1) Sympathomedullary Pathway (subconscious response)
- Response to fight/flight
- Reaction to acute (immediate) stress
- Activates without conscious control
- An external stressor acts on the hypothalamus
- The hypothalamus activates the sympathetic branch of the ANS (Automatic Nervous System)
- Stimulating the adrenal medulla
- The adrenal medualla releases adrenaline (hormone) and nor-adrenaline (neurotransmitter) preparing the body for a fight/flight response
- Increasing heart rate, blood pressure and sweat gland activity
2) Pituitary-Adrenal System
- Reaction to chronic (constant) stress
- Emphasis is not on immediate survival, but on …
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