Psychological Causes of Bulimia - A2 Psychology AQA A

amy.cooke747
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All the behavioural and psychodynamic explanations of Bulimia Nervosa

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amy.cooke747
Created by amy.cooke747 over 5 years ago
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Psychological Causes of Bulimia
1 Behavioural explanations - AO1
1.1 Social Learning Theory (SLT) - imitating our role models (e.g. skinny models/actresses)
1.2 Operant conditioning - praise/feeling good about weight loss, acting as a reinforcement
1.3 Who's vulnerable? - people with low self-esteem, perfectionists (OCD), high social anxiety, impulsive, controlling parents
2 Behavioural explanations - AO2
2.1 Groez et al (2002)
2.1.1 Meta-review of 25 studies.
2.1.1.1 Found a positive correlation between dissatisfaction and exposure to media images
2.2 Becker et al (2002)
2.2.1 Study done in Fiji (cross-cultural)
2.2.1.1 Found ED's didn't exist in Fiji until TV
2.2.1.1.1 Five years after, numbers of both AN and BN sufferers rose
3 Cognitive - AO1
3.1 Coopers Model
3.1.1 Most people with BN have suffered an early traumatic experience
3.1.1.1 Because of this they feel worthless
3.1.2 As they grow up they are extra sensitive to comments about themselves or media images
3.1.3 They learn that fat = bad, thin = good and begin to diet
3.1.3.1 They believe loosing weight will result in others liking them
3.1.4 The maintenance cycle
3.1.4.1 Person is feeling low so binge to feel better
3.1.4.1.1 Start to worry about getting fat so purge
3.1.4.1.1.1 Causes them to feel worthless, causing the cycle to repeat.
3.2 Polivy
3.2.1 BN sufferers have poor self-image, causing stress
3.2.1.1 Binge eating is a way of coping with this
3.2.2 Sufferers can blame their poor self-image on the binging, rather than their problems
3.2.2.1 An avoidance tactic
4 Cognitive - AO2
4.1 Cooper evidence - Leung et al
4.1.1 Lack of parental bonding was linked to dis-functional beliefs among BN sufferes
4.1.1.1 These have been linked to binging and purging in other studies.
4.2 Polivy evidence
4.2.1 Studied the effects of stress on dieters
4.2.2 Compared non-stressed to stressed, and found stressed ate more food
4.2.2.1 Supports binge eating being not about a desire for food, but a coping mechanism of stress

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