15 terms

Psychology of Eating

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stomach
contractions can produce feelings of hunger
hypothalamus
brain structure that serves as an "on/off" switch for eating
chewing
just the act of chewing can help` to satisfy feelings of hunger
set point
the weight a person maintains when not trying to lose or gain weight; acts as a "thermostat" for fat levels
leptin
hormone released when weight is at or above the set point, giving the signal to eat less
factors that determine set point
genes and early eating patterns
dopamine
chemical in the brain that drives us to seek reward; makes pleasure very memorable; involved in addiction
reward system
structures in the brain that are activated and make a person or animal feel good when doing certain behaviors
calorie
the amount of energy needed to raise the temperature of one liter of water by 1° Celsius
carbohydrates
body's main source of energy
simple carbohydrates
also called simple sugars; found in fruits, vegetables, milk, processed foods
complex carbohydrates
slower to digest and have more nutrients
overweight
BMI (body mass index) between 25 & 29.9
obese
BMI (body mass index) of 30 or higher
hyperpalatable food
food that causes the release of opioids in the brain and can lead to addiction
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