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20 Cards in this Set

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  • Back
What are the three factors that influence food choice?
Properties of Foods
What are some ways that learning influences food choice?
Mere exposure to foods
Operant conditioning(Associative learning)
Classical conditioning
Social learning
How does mere exposure influence food choice?
the more one actually tastes a food the more likely they are to accept or even like it. Around 17 times is best.
How does operant conditioning influence food choice?
through associative learning and rewards. Child is given reward to eating the disliked food.
What is the overjustification effect?
this happens when child gets reward for eating disliked food. Doesn't learn to like the food for itself, just for its nice consequence.
How does classical conditioning influence food choice?
The new food is paired with an old liked food and eventually the new food is accepted.
Can classical conditioning work in reverse?
Yes! Eat shellfish and then be violently ill. Just looking at shellfish will make you feel ill.
What are the properties of food?
Taste, gustation, olfaction and chemiesthesis.
What determines taste?
the taste receptors on your tongue. Supertasters and nontasters.
What are the 5 'tastes?
sweet, sour, bitter, salty and umani (contraversial meat)
What is chemesthesis?
the pleasant or not pleasant sensory irritation experience brought on by wasabi, mustard. A skin sense and mediated by the trigeminal nerves in the oral cavity.
What are the two types of olfaction?
orthonasal and retronasal
What is orthonasal olfaction?
where odours are pulled in via the nose. Some of the odour reaches the olfactory mucosa.
What is retronasal olfaction?
where odours are pulled in via the back of the mouth
What can influence olfaction?
smoking, badly fitting dentures, a cold.
Where do taste preferences develop and how is this known?
Prenatally. Known because of experiments done on pregnant women's diet and baby's preferences after birth.
What was the experiment by Mennella and Beauchamp/
group of preg mums intending to breast feed. Three gps, one control (water only), one drank carrot jiuce in last trimester, one drank it after birth of baby. Rated the expressions on the babies faces when introduced to cereal with carrot juice. Less negative expressions for those babies exposed prenatally or through breastmilk than controls.
Can early exposure affect adult food preferences?
What is the boundary model?
Describes the social and bilogical reasons for why we eat.
Does the boundary model prove useful in determing how much people eat?
no, even though we are hungry we might choose not to eat. Even when we are not hungry we may anticipate hunger and eat anyway. Also some people tolerate hunger more than others.