Acute stress pathway
- Created by: Robyn
- Created on: 19-01-14 22:06
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- Acute stress
- sympathomedullary pathway
- SAM
- 'flight or fight'
- 1)automatic nervous system arroused
- ANS
- split into
- sympathetic nervous system
- SNS
- parasympathetic branch
- sympathetic nervous system
- 2)SNS aroused- noradrenaline released into blood
- increases heart rate
- increases pupil size
- increases blood pressure
- 3)SAM aroused at same time as SNS
- 4)SNS and SAM prepare for 'fight or flight'
- parasympathetic branch= relax after the response
- sympathomedullary pathway
- SAM releases adrenaline
- 3)SAM aroused at same time as SNS
- increases amount of oxygen
- for muscles and brain
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