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EATING BEHAVIOUR

DEVELOPMENT OF FOOD PREFERANCES:
Babies are born with taste receptors- sweet, sour, salt and bitter so they can
distinguish differences in food from an early age.
BENTON: children like sweet food as it can be affective in reducing distress-
leads to to thinking there is an INNATE preference…

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FOUND: correlations//food preferances at age 2-3 and preferances at age 4-7
ware SIGNIFICANT. Correlations at other ages were not. Preferances for
cheese and to a lesser extent, vegetables remained stable between ages 2-3
to early adulthood. Was some increase in preference for veggies with
increasing age. DECREASES in preference for…

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People who become obese were eating for emotional reasons whereas thin
people ate because they are hungry. This was known as the EMOTIONALITY
THEORY OF OBESITY (SCHACHTER).
It is generally recognised that most people eat in response to their mood,
regardless of their weight.
ODGEN: people eat more when they…

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ODGEN: provides reasons why:
1. MEDIA INFLUENCE: images in medoa have become slimmer over time,
increasing body dissatisfaction.
2. FAMILY: no. of studies show relationship//mother and daughter body
dissatisfaction and weight concern.
3. ETHNICITY: more body dissatisfaction in WHITE WOMEN.
4. SOCIAL CLASS: eating disorders found in more HIGHER CLASS…

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ETHICAL ISSUES: pps received credit for taking part. Pps fully debriefed
after deception.

BOUNDRY MODEL= HERMAN AND POLIVY: explains why restrained eaters eat
more. They have a cognitive and physiological boundary controlling their
eating and the preloads take them past this and they end up eating more as
they take…

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It has been suggested that each person has a set body weight. The body
has a sense of what is acceptable and regulates eating around this.
FAT STORES- THE LIPOSTATIC HYPOTHESIS and our GLUCOSE LEVELS- THE
GLUCOSTATIC HYPOTHESIS- suggest that when either our fat stores are
low or our glucose…

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CUMMINGS ET AL:
o Investigated the changes in blood GHRELIN levels over time // meals.
o 6 particiapants were allowed to eat lunch, then ghrelin levels were
monitored from blood samples taken every 5 mins form a
tube/catheter in the vein until the pps requested their dinner.
o They assessed…

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o REDUCTIONIST: focuses only on the biological systems regulating
food intake and body weight but ignores social, psychological and
cultural factors.
o Hard to generalise all research to humans.
o Can help to explain why some people with certain medical conditions
may eat differently.





























EVOLUTIONARY EXPLANATIONS TO EATING BEHAVIOUR

1.…

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Today- VEGETARIANS have become popular based on health, ethical, religious
and moral grounds, but we are still designed to eat meat.
Skills to hunt would lead to survival.
SEX FOR MEAT HYPOTHSIS: skilled hunters would gain greater power in the
group and receive more sexual opportunities to spread genes.
In…

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EATING DISORDERS
ANOREXIA NERVOSE (AN)
CLINCAL CHARACTERISTICS

The DIAGNOSTIC AND STATISTICAL MANUAL FOR MENTAL DISORDERS
(DSM-IV) identified 3 categories of eating disorders: AN, BN and eating
disorders- specified as ENDOS. This is made up of eating disorders that do
not classify as AN or BN.
AN is made into either…

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