Stress Flashcards
stress
percieved inability to handle demands placed on you
stress makes you
stupid, McEwan
GAS=ARE
general adaptaion syndromes=alarm, resistance, exhaustion
homeostasis
body’s tendency to return to normal
stressor
anything that disrupts homeostasis
stress response
anything designed to achieve homeostasis
acute stressor
real, tangible threat
anticipatory stressor
worried about future
humans only
what happens in stress response?
adrenaline release, non-essential shuts down, pupils dilate, hippocampus more active
telomeres
keep ends of chromosomes from fraying
stress=shortened
oxytocin
love
female stress response
hormones of stress response
epinephrine, really fast, 80%
norepinephrine, pretty fast, 20%
glucocorticoids, last, backs up other tow/lends support after. returns body to homeostasis
HPA axis
hypothalamus, pituitary gland, adrenal gland
h secretes CRH, triggers p to release ACTH, reaches blood stream and triggers glucocorticoids
Peripheral Nervous System (PNS)
somatic and autonomic
somatic nervous system
voluntary, external