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Eating behaviour questions:
1. Discuss explanations for one eating disorder (psychological, neural and evolutionary)
Obesity is classed as an eating disorder in the DSM handbook. One explanation for obesity is the
psychological explanation which believes that the disorder is due to faulty thinking and cognitions.
This theory suggests that obesity…

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which sends signals of satiety. These mice put on weight rapidly, and when injected with leptin, they
began to lose weight.
Following on from this, the evolutionary approach believes that these genes aid certain behaviour for
an adaptive reason. The evolutionary theory suggests that our behaviours have evolved from
hunter-gatherer…

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This could be due to the fact black people have larger body shapes and therefore are trying to
achieve something that is not possible. On the other hand, it has been shown that bulimia is more
common in Asian girls. This could be because food in many Asian cultures is…

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a person's parent tries to diet, but end up overeating, the child may too, whereas, if the parent
sticks to a diet, the child is more likely too. This leads onto the nature nurture debate. The social
learning theory supports the nurture side of the debate whereas, the biological approach,…

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VMH. Unfortunately there has been very few studies that replicate the same findings, and thus
decrease the validity of the study.

There is evidence to suggest the amygdala plays a part in the control of eating behaviour. Rolls and
Rolls found that when removing the amygdala from some animals the…

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Not every food preference is beneficial in modern day, thus the adaption has not aided survival. The
high calorie diets are not welcomed in modern society due to the increased heart disease and
diabetes, thus these evolved genes are not advantageous to us.

Another evolutionary food preference is taste aversion.…

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