• Psychology A2 Eating Behaviour

These are the essay plans we have learnt in our A2 Psychology class in the Eating Behaviour model. They are very brief as the are for revision and you will need to have learnt the information and studies first.

Biological Explanations of Eating Behaviour:

PARAGRAPH 1: Describe role of hypothalamus including evidence >>> Hetherington:> Lesions made on rats brains = Medial H is the satiety centre, laternal is feeding centre. Rats became obese as they were unaware of the satiety. Brobeck:> Lesions on lateral centre lead to loss of feeding. PARAGRAPH 2: Evaluation of that research e.g. problems of generalising from rats PARAGRAPH 3: Neuro transmitters and drugs. Norepinephrine = increased food intake, Serotonin = decreased food intake, Nicotine = decreased appetite. PARAGRAPH 4: Evaluation >>> Greenberg:> Surveyed energy intake and weight changes in P’s for a month. Cannabis users showed increased body weight, decreased when supply was removed. PARAGRAPH 5: Other approaches: use SLT, cognitive Psychodynamism evolutionary – your preference PARAGRAPH 6: Conclude: fetal programming (from evolutionary), oral personality, nature/nurture, blame culture, ethics

Attitudes and Culture of Eating Behaviour:

PARAGRAPH 1: Culture, Reasoned action, Planned behaviour. PARAGRAPH 2: Evaluation >>> Birch:> 4 days child sat next to another with diff food = new vegetable preference. Lowe:> Food Dudes changed kids vegetable preference. Olivera:> Correlation of mothers intake and pre-school child = mothers could affect child’s food preferences. PARAGRAPH 3: Mood >>> Popper:> Combat marines food decreased with stress. Oliver:> Student stress increased food. Herman:> Stress at work = binge eating. PARAGRAPH 4: Evaluation. PARAGRAPH 5: Approaches and Issues, Psychodynamism, bio, women. PARAGRAPH 6: Debates, freewill.

Deiting success and failure:

PARAGRAPH 1: Success >>> Kirkley:> 50 women self monitored for 4 days, restrained consumed less calories. Kiernan:> Dissatisfaction with body = more satisfaction. PARAGRAPH 2: Evaluation, SDB. PARAGRAPH 3: Failure >>> Ruderman:> High calorie preload and taste test = restrained ate more than unrestrained. Herman:> Dieting and binging casually linked. PARAGRAPH 4: Evaluation. PARAGRAPH 5: Approaches and Issues, Loci of control, SLT. PARAGRAPH 6: Debates, Freewill, nature nurture.

Evolutionary Explanations:

PARAGRAPH 1: Taste and meat eating. PARAGRAPH 2: Evaluation >>> Garcia:> Taste Aversion: Contaminated lamb meat fed to wolves = they avoided sheep, classical conditioning. Frost:> Food Neophobia: In famine they will need to vary food, as food became more familiar it became more popular. Prophet:> Embryo Protection: Morning sickness in 75% of women. PARAGRAPH 3: Wisdom of the body >>> Davis:> Child is US hospital offered 10-12 healthy foods and they chose balanced diet. PARAGRAPH 4: Evaluation. PARAGRAPH 5: Approaches and Issues, Bio, Culture. PARAGRAPH 6: Debates, nature nurture >>> Gluckman:> Fetal Programming: Mothers in Africa who ate healthily in pregnancy = pot bellied infants, those who were malnourished = skinny and lived longer. 240 children.

Biological explanations of Anorexia:

PARAGRAPH 1: Adapted to Flee Famine Hypothesis >>> Guisenger:> EEA ancestors needed to move when food supplies diminished, anorexics restless and active, helping migration. PARAGRAPH 2: Evaluation. PARAGRAPH 3: Genes - Holland twin study >>> Holland:> 16 identical MZ F twins and 14 DZ twins. One in each were anoexic = If 1 had anorexia the other was 55% likely too. In DZ 7% lower rate. PARAGRAPH 4: Evaluation. PARAGRAPH 5: Serotonin Kaye. PARAGRAPH 6: Evaluate, Frank. PARAGRAPH 7: Nature nurture, Gender, culture, hormones.

Psychological Explanations of Anorexia Nervosa:

PARAGRAPH 1: SLT, Hoek, Becker. PARAGRAPH 2: Evaluation. PARAGRAPH 3: Cognitive Bemis-Vitousek, Psychodynamic Crisp. PARAGRAPH 4: Evaluation. PARAGRAPH 5: Approaches and Issues, Gender, ethics. PARAGRAPH 6: Debates, Freewill, nature nurture.

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