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Eating Behaviour. Anorexia. Evolutionary perspective. Distinguish between strengths and weaknesses and stick in your booklet Key issues and debates: Reductionism Nature/nurture Freewill vs determinism Gender. Next Topic…. ONE EATING DISORDER - ANOREXIA – Need to know…
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Eating Behaviour Anorexia
Evolutionary perspective • Distinguish between strengths and weaknesses and stick in your booklet • Key issues and debates: • Reductionism • Nature/nurture • Freewill vs determinism • Gender
Next Topic…. • ONE EATING DISORDER - ANOREXIA – Need to know… • What is it? – clinical characteristics • Psychological explanations – describe and evaluate • Biological explanations – describe and evaluate
What are eating disorders? • Characterised by an abnormal attitude towards food that causes someone to change their eating habits and behaviour.
Oestrocentrism • Most pieces of research into eating disorders is oestrocentric– what does this mean?
Anorexia nervosa Prevalence • Affects 1 in 200 adolescents • 90% of sufferers are female • Most common in 15-17 year old girls (1%) Prognosis • 8% die within 5 years of onset • 70% recover within 10 years • 22% struggle with chronic symptoms
Anorexia is characterised by… • Body weight 85% or less of normal weight for age and height • Distorted perception of body weight/shape • Denial that weight loss is severe • Intense fear of becoming fat • For women – loss of three consecutive menstrual cycles
Types of anorexia • Restricting AN • Binge/purge AN