ch 11 motivation and emotion hunger Flashcards
blood sugar/fuel (source of energy)
glucose
regulated by pancreas, helps regulate glucose
insulin
when glucose levels drop =
hypoglycemia
hunger increases, increase in ghrelin, orexin
hypoglycemia
stomach growls=hungry
ghrelin
hormone controlled by lateral hypothalamus
orexin
when glucose levels increase =
hyperglycemia
hypoglycemia = (hungry or full)
hungry
hyperglycemia = (hungry or full)
full
decrease in insulin, leptin, PYY, and obstatin
hyperglycemia
controls body chemistry and makes us feel hunger
hypothalamus
when stimulated we eat, when destroyed we don’t eat
lateral hypothalamus
when stimulated we don’t eat, when destroyed we keep eating
ventromedial hypothalamus
interaction of food (maintain) intake and hunger, part of metabolism
set point theory