Eating bahaviour

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  • Created by: Abbie0
  • Created on: 17-04-16 15:12
Oliver
Proved influence of mood in food choices. Participants were put in a stress or no stress condition and then invited to a buffet meal. Those who'd been stressed ate similar amounts to non-stressed but chose more sweet, high fat foods
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Garge
Participants watched a sad or funny film. Those watching the sad film at 36% more popcorn than those in the happy film, suggesting low mood creates more desire for fatty food. Those in the happy film ate less popcorn and more grapes, supporting the t
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Kotler
Showed SLT through media affects children's food choices. They were more likely to indicate a preference for one food over another when one was associated with a familiar TV character. They were also willing to try more pieces of a healthy food if a
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Brown and Ogden
Found correlations between parents and children in terms of snack food intake, eating motivations and body dissatisfaction. Provides evidence for SLT from parents however the correlation may just be because the parent controls what food is bought and
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Wardle and Beales
Randomly assigned 27 obese women to either a diet,exercise regime or no treatment for 7 weeeks. Food intake and appetite were monitored on several occasions and the women in the diet condition always ate the most out of all the groups. Shows restrain
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Ruderman and Wilson
Participants were told they were doing a taste test and before it they were given a pre-test pre-load, either crackers (representing restraint) or a milkshake (no restraint). During the 'taste test' it was actually their food intake being recorded an
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Zhang
Supports the role of leptin in hunger and dieting failure. Some mice have two copies of the gene for obesity and they also have a defective gene for leptin production. Injecting these obese mice with leptin made them lose weight, showing low leptin p
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Garcia
Showed taste aversion in rats. Made them ill from radiation shortly after they ate saccharin and they developed an aversion to it, showing they'd associated it with illness
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Bernstein and Webster
Found giving patients a novel tasting ice cream before chemotherapy made them develop an aversion to it (as chemotherapy causes gastrointestinal illness). This has RWA as some hospitals now use the method to stop patients developing aversions to comm
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Craig Stanford's chimp observations
Suggests meat preference was more for calories and energy than nutrition as he observed that when chimps killed an animal after a period of starvation they'd go straight for the fattiest parts, not the nutritious parts. This suggests ancestors had va
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Gibson and Wardle
Supports the possibility meat preference was for calorie intake not minerals and nutrients like the theory states. Children were observed to show a preference for high calorie fruit and veg e.g. bananas and potatoes over more nutritious options. This
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Hetherington and Ranson
Proved the ventromedial hypothalamus is needed to stop us eating as they lesioned it in rats and they developed hyperphagia and didn't stop eating, becoming obese
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Gold
Opposed Hetherington+Ranson's findings. He said lesioning the VMH didn't cause the hyperphagia, overeating is only produced if other areas of the brain like the paraventricular nucleus are lesioned in the process. Therefore suggesting the VMH isn't a
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Sakuri
Believed the dual hypothalamic theory was too simplistic and neeurotransmitters must be involved as there is no direct link between the hypothalamus and stomach so neurotransmitters are needed in between to tell the brain we're full.
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Marie et al
Contradicted the importance of neuropeptide Y in causing eating. They genetically manipulated mice not to produce NPY, expecting a decline in eating behaviour but there was no subsequent decrease. Suggests NPY isn't the only thing that makes us hungr
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NPY Study limitation
NPY research is often criticised as researchers try to prove its effect by injecting it and linking it to the subsequent change in eating behaviour but this may be an experimental artefact. When neurotransmitters are injected it creates a sudden rise
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Wade et al
Genetics + anorexia. Suggested genetics didn't directly cause anorexia but are linked with the personality trait of having a need for praise and reward. The trait runs in families so it may be genetics causing the trait which increases the chance of
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Holland et al
Compared concordance rates for anorexia in MZ/DZ twins and found a CR of 56% in MZ and 5% in DZ twins. This shows genetics have a big impact as the twins sharing more DNA were much more likely to both have anorexia. MZ wasn't 100% however so can't ju
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Bachner-Melman
Found 3 genes implicated in anorexia that are also associated with a perfectionist personality. Suggests genes could be the predisposing factor but its personality that triggers it. This could also explain why not all MZ twins have it as maybe one wa
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Fearn
SLT from the media believed to be the cause of anorexia increase in Fiji. Fiji was previously known for having positive attitudes towards the bigger body shape but after the introduction of American TV and its westernised ideal body shape, there was
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Mackenzie
Found evidence of distorted self image in anorexics. Anorexic women were asked to judge whether they were lighter or heavier than the controls and they always said they were heavier even when they clearly weren't. Additionally they had lighter ideal
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Participants watched a sad or funny film. Those watching the sad film at 36% more popcorn than those in the happy film, suggesting low mood creates more desire for fatty food. Those in the happy film ate less popcorn and more grapes, supporting the t

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Garge

Card 3

Front

Showed SLT through media affects children's food choices. They were more likely to indicate a preference for one food over another when one was associated with a familiar TV character. They were also willing to try more pieces of a healthy food if a

Back

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Card 4

Front

Found correlations between parents and children in terms of snack food intake, eating motivations and body dissatisfaction. Provides evidence for SLT from parents however the correlation may just be because the parent controls what food is bought and

Back

Preview of the back of card 4

Card 5

Front

Randomly assigned 27 obese women to either a diet,exercise regime or no treatment for 7 weeeks. Food intake and appetite were monitored on several occasions and the women in the diet condition always ate the most out of all the groups. Shows restrain

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