Appetite Week 4
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Questions and Answers

Which factors influence human food choice?

  • Preference
  • Broader food choice
  • Individual preference
  • All of the above (correct)
  • What is included in the broader food choice?

  • Individual preference
  • Plants, animals, fungi, and algae (correct)
  • Nutrient sources that are edible
  • Culturally defined subset of food
  • What do innate systems help us with in terms of food choice?

  • Selecting safe food (correct)
  • Defining edible things
  • Determining cultural food choices
  • Influencing individual preference
  • What percentage of Australians are currently overweight or obese?

    <p>40%</p> Signup and view all the answers

    What is one consequence of dietary choice mentioned in the text?

    <p>Increased risk of cancer</p> Signup and view all the answers

    What is the main reason for understanding people's preferences in the food business?

    <p>To increase sales volume</p> Signup and view all the answers

    What is the main genetic disposition that influences our preference for food?

    <p>Sweet preference</p> Signup and view all the answers

    Which of the following is a reason why reducing salt intake is difficult to implement?

    <p>Excess salt consumption occurs passively in processed food</p> Signup and view all the answers

    Why do neonates find bitter tastes disgusting?

    <p>Bitter tastes are associated with poisonous substances</p> Signup and view all the answers

    Why can Northern Europeans tolerate milk into adulthood?

    <p>Lactase production</p> Signup and view all the answers

    Which animal was first observed to exhibit social learning in food preferences?

    <p>Rats</p> Signup and view all the answers

    What did rat pups preferentially feed on?

    <p>Rat faeces</p> Signup and view all the answers

    What did Birch's study on children's food preferences show?

    <p>Children's food preferences are influenced by the toys they want to play with</p> Signup and view all the answers

    Which factor is genetically based and dominant in determining lactase production into adulthood?

    <p>Genetics</p> Signup and view all the answers

    Which theory suggests that our bodies have the ability to naturally select a nutritionally complete diet?

    <p>The wisdom of the body theory</p> Signup and view all the answers

    Which personality trait is associated with excess weight gain and consumption of fast foods?

    <p>Impulsivity</p> Signup and view all the answers

    Which study showed that children can select a balanced diet when given a range of nutritious foods?

    <p>Clara Davis's study</p> Signup and view all the answers

    Which nerve has more fibers dedicated to sweet than any other taste?

    <p>Chorda tympani nerve</p> Signup and view all the answers

    Which brain areas are rich in endogenous opioids and seem to drive our liking for sweet taste?

    <p>Periaqueductal grey and the NA shell</p> Signup and view all the answers

    What phenomenon is naloxone sensitive and can be observed in rats fed sucrose?

    <p>Increased pain tolerance</p> Signup and view all the answers

    What evidence do we have that sucrose liking is reduced in 'supertasters'?

    <p>They need less sugar to get the same hit</p> Signup and view all the answers

    Food choice is influenced by _______ systems that guide our preferences

    <p>innate</p> Signup and view all the answers

    The broader food choice includes all plants, animals, fungi, algae etc that would yield _______

    <p>energy</p> Signup and view all the answers

    Culture defines _______ things as edible

    <p>food</p> Signup and view all the answers

    Low salt diets reduce preference for saltier ______

    <p>food</p> Signup and view all the answers

    Most of our excess salt consumption occurs passively in processed ______

    <p>food</p> Signup and view all the answers

    Being a mammal is synonymous with the consumption of ______ in infancy

    <p>milk</p> Signup and view all the answers

    ______ learning is likely to be an important means by which children develop food preferences

    <p>Social</p> Signup and view all the answers

    Given how social eating is, especially with children, it should not be surprising to learn how pervasive an influence ______ are on what we choose to eat

    <p>Other people</p> Signup and view all the answers

    Getting from milk to adult-like preferences - the mechanisms that work to build up an adults repertoire of food likes and dislikes can be seen as cumulative effect of all the ______ we have reviewed

    <p>Processes</p> Signup and view all the answers

    The ability to produce lactase into adulthood is ______ based and is dominant.

    <p>genetically</p> Signup and view all the answers

    Pastoralist societies with limited food resources would benefit from ______ tolerance.

    <p>lactose</p> Signup and view all the answers

    Personality traits, such as conscientiousness and sensation seeking, can influence food ______.

    <p>preferences</p> Signup and view all the answers

    The biological needs model suggests that our food likes and dislikes are shaped by our need for specific ______.

    <p>nutrients</p> Signup and view all the answers

    Fructose intolerance is caused by an inability to move ______ across the gut wall

    <p>fructose</p> Signup and view all the answers

    Most of us have an inverted U shaped liking response to ______ as a function of its concentration

    <p>sucrose</p> Signup and view all the answers

    Salt is an essential part of our diet and lack of ______ is fatal

    <p>it</p> Signup and view all the answers

    Salt deprivation results in no change in the taste nerve’s sensitivity to salt, but a lower response to higher ______

    <p>concentrations</p> Signup and view all the answers

    The food business is ________ in Australia

    <p>big business</p> Signup and view all the answers

    A sweetened food will be taken in in preference to a _______ one

    <p>non-sweetened</p> Signup and view all the answers

    If experience affected sweetness preference, then such preference should increase with age as it does for ________ and alcohol

    <p>chilli pepper</p> Signup and view all the answers

    If there is not much evidence favouring an experiential explanation of this preference, how might the body 'build it ________'

    <p>in</p> Signup and view all the answers

    Study Notes

    Factors Influencing Food Choice: Genetics, Biology, and Experience

    • Exposure to milk does not increase lactase production in lactose intolerant individuals.
    • The ability to produce lactase into adulthood is genetically based and is dominant.
    • Pastoralist societies with limited food resources would benefit from lactose tolerance.
    • Personality traits, such as conscientiousness and sensation seeking, can influence food preferences.
    • Impulsivity is associated with excess weight gain and consumption of fast foods.
    • Genetic influences play a role in food preferences for sweet, salty, and bitter foods.
    • Our capacity to learn about food choices is the most important genetic influence.
    • The biological needs model suggests that our food likes and dislikes are shaped by our need for specific nutrients.
    • The wisdom of the body theory suggests that our bodies can naturally select a nutritionally complete diet.
    • Clara Davis's study on toddlers in 1935 showed that children can select a balanced diet when given a range of nutritious foods.
    • Mechanisms that affect food preferences include neophobia, which is a reluctance to try unfamiliar foods.
    • Experiential factors, such as associative learning and social learning, can change food preferences.

    Factors Influencing Food Choice: Genetics, Biology, and Experience

    • Exposure to milk does not increase lactase production in lactose intolerant individuals.
    • The ability to produce lactase into adulthood is genetically based and is dominant.
    • Pastoralist societies with limited food resources would benefit from lactose tolerance.
    • Personality traits, such as conscientiousness and sensation seeking, can influence food preferences.
    • Impulsivity is associated with excess weight gain and consumption of fast foods.
    • Genetic influences play a role in food preferences for sweet, salty, and bitter foods.
    • Our capacity to learn about food choices is the most important genetic influence.
    • The biological needs model suggests that our food likes and dislikes are shaped by our need for specific nutrients.
    • The wisdom of the body theory suggests that our bodies can naturally select a nutritionally complete diet.
    • Clara Davis's study on toddlers in 1935 showed that children can select a balanced diet when given a range of nutritious foods.
    • Mechanisms that affect food preferences include neophobia, which is a reluctance to try unfamiliar foods.
    • Experiential factors, such as associative learning and social learning, can change food preferences.

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    Description

    Test your knowledge on the various factors that influence our food choices, including genetics, biology, and experience. Explore how our genetic makeup, biological needs, and past experiences shape our preferences and behaviors when it comes to food. Discover the impact of personality traits, impulsivity, and social learning on our food choices. Learn about influential studies and theories that shed light on our complex relationship with food.

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