Chapter 7 - The Hungry Mind Flashcards
drive
internal state that arises in response to a need
homeostasis
body’s need to maintain internal balance (temp, fluids)
set points
value defined to maintain homeostasis
ex) temp = 98.6
Maslow’s hierarchy
- physiological
- safety
- love & belonging
- esteem
- self-actualization
glucose
sugar that cells require for energy
- low glucose stimulates hunger
insulin
hormone that lowers glucose & stores energy as fat
- rises & falls with glucose
ghrelin
hunger-arousing hormone emitted by an empty stomach
leptin
hormone secreted by fat cells
- low levels stimulate hunger
lateral hypothalamus
initiates eating behavior
ventromedial hypothalamus
stops eating behavior once we reach satiety
set point
genetically influenced weight range that you stay at when not trying to lose/gain weight
- varies 10% in either direction
basal metabolism
rate at which body burns calories
- fixed number of fat cells
- heritability in twins = 40-70%
anorexia nervosa
underweight by 10-15% of lowest healthy BMI
- restricting type = severe restriction in diet
- binge-purge type = periodic binges & purges, but stays underweight
bulimia nervosa
bingeing 1000s of calories before purging
- maintain healthy body weight
binge eating disorder
bingeing 1000s of calories without compensatory behavior
- male-female balance in diagnosis