chapter 11: motivation and emotion Flashcards
homeostasis
maintain consistent internal state in response to environment
allostasis
anticipate future needs causing stress
incentive
stimuli we seek to reduce drive (drinking water when thirsty)
hypothalamus
bottom surface of brain. release of hormones to regulate motivation. (tells us to stop eating)
ghrelin
signals brain “im hungry”
orexin
trigger hormone by hypothalamus
insulin
control blood glucose by pancreas
leptin
increase metabolism and decrease hunger by fat cells
PYY
signal brain youre not hungry by digestive tract hormone
cholecystokinin
satiation
tells us when we cant eat anymore
social facilitation
eating more
impression management
eating less
modelling
eating whatever they eat
anorexia
fear of weight gain. amyglada
bulimia
binge eating. frontal lobe
intrasexual selection
same sex compete (whos stronger) to mate with someone