Fight Or Flight Flashcards
1
Q
Fight or flight response
A
Someone enters potentially stressful situation, amygdala is activated- responds to sensory input and connects with emotions associated
2
Q
Fight or flight response process
A
- person enters stressful/dangerous situation
- amygdala activated which sends distressed signal to hypothalamus
- hypothalamus activates the sympathomedullary pathway- pathway running to adrenal medulla and sympathetic nervous system
- SNS stimulates adrenal medulla, part of adrenal gland
- adrenal medulla secretes hormones adrenaline and noradrenaline into blood stream
- adrenaline cause number of physiological changes to prepare body for fight or flight
3
Q
Physiological change
A
Increases heart rate- increase blood flow to organs and increase the movement of adrenaline around body
Increased breathing rate- increase oxygen intake
Pupil dilation- increase light entry into the eye and enhance vision
Sweat production- regulate temperature
Reduction of non-essential functions - increase energy for other essential functions