Psychological explanations for the success & failure of dieting

megan langdon
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Eating behaviour - the failure of dieting
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Psychological explanations for the success & failure of dieting
1 Restraint Theory
1.1 Try to restrain / restrict food intake
1.1.1 Chances are - end up overeating
1.2 Homeostasis - Hypothalamus (balances the body)
1.3 Physiological boundary for eating
1.4 AO2 - Implication for treatment of obesity
2 Boundary Model
2.1 Normal eater - level of hunger and satiety
2.1.1 Restrained eater - Has a satiety level and a hunger level
2.1.1.1 Hunger level more restricted, due to the diet boundary placed
2.1.1.1.1 Takes longer to get hungry
2.1.1.1.2 Takes more to make you feel satieted
2.1.1.1.3 Dieters use self - imposed cognitive diet boundary
2.1.1.2 Stretch the physiological boundary
2.2 AO2 - Wardle & Beales (1988)
2.2.1 27 obese women in 3 conditions
2.2.2 Given taste test of milkshake (preload)
2.2.3 Either no pre - load /1 milkshake / 2 milkshakes
2.2.4 Q on restrained eating
2.2.5 Following pre - load - taste test of 3 tubs of icecream, told they could eat as much as they liked
2.2.6 Those who scored high on restrained eating Q ate more ice - cream if they had pre - load
2.2.7 Those who were'normal' eaters ate less ice - cream if they had pre- - load
2.2.8 Restrained eaters went over their cognitive diet boundary due to the high carb pre - load
2.2.9 Unrestrained eaters only eat until satisfied - felt fuller after the pre - load
3 Denial
3.1 Suppress thoughts of certain foods leads to wanted them more
3.2 Theory of ironic processes of mental control
3.2.1 Wegner et al (1987)
3.2.1.1 Ppts who were asked not to think of a white polar bear thought of it more then ppts allowed to think of the white polar bear
4 Detail (Successful diets)
4.1 Not salads again!
4.2 Think about the different parts of the food you are eating
4.2.1 I.e. Baby tomatoes, cucumber, lettuce etc, etc.
4.3 Redden (2008)
4.3.1 Jelly Beans
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