PSY 220 - Lecture 08

PSY 220 - Lecture 08 - Eating and Sleep Disorders Q UIN 1...

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Unformatted text preview: Eating and Sleep Disorders Q UIN 1 Chapter 8 Learning Objectives • Describe the essential features of bulimia nervosa and anorexia nervosa • Describe etiologies and treatments of 2 eating disorders • Describe core features of dyssomnias and parasomnias • Describe etiologies and treatments of major sleep disorders 1998 Obesity Trends 1988 (*BMI ≥ 30, or about 30 lbs. overweight for 5’4” person) No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥ 30% 2008 Eating Disorders • Two Major Types of DSM-IV Eating Disorders – Anorexia nervosa and bulimia nervosa – Severe disruptions in eating behavior Extreme fear and apprehension about gaining 4 – Extreme fear and apprehension about gaining weight – Have strong sociocultural origins –Westernized views • Binge-eating disorder • Obesity Eating Disorders 5 Bulimia Nervosa • Majority are female • Onset around 16 to 19 years of age • 6-8% of college women suffer from bulimia 6 bulimia • Tends to be chronic if left untreated • Binge Eating – Hallmark – Binge – Eating excess amounts of food – Eating is perceived as uncontrollable Bulimia Nervosa • Compensatory Behaviors – Purging – Self-induced vomiting, diuretics, laxatives – Some exercise excessively whereas 7 Some exercise excessively, whereas others fast • Subtypes of Bulimia – Purging subtype – Nonpurging subtype Bulimia Nervosa • Associated Medical Features – Most are within 10% of normal weight – Purging can result in severe medical problems – Erosion of dental enamel, electrolyte imbalance...
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PSY 220 - Lecture 08 - Eating and Sleep Disorders Q UIN 1...

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