PSYC 4P27 Lecture Notes - Lecture 9: Binge Eating Disorder, Bulimia Nervosa, Binge Eating

• School: Brock University
• Department: Psychology
• Course: PSYC 4P27
• Professor: Caitlin Mahy

Document Summary

Refusal to maintain body weight about 85% medically ideal weight. Intense fear of gaining weight or becoming fat, even though underweight. Denial of seriousness of low body weight. Restricting type: low body mass achieved through restriction no binge/purge behaviour. Binge-eating/purging type: person regularly engages in binge eating or purging behaviour, but still meets weight criteria. Symptoms typically result because of low body weight. Average ages of onset are 14 and 18 (school transitions?) Course can be a single episode, intermittent or chronic. About 30% go on to develop bulimia nervosa. Average duration of treatment is 6 years. 10% of anorexics will die of the disorders. Binge eating at least an average of 2 times per week for at least 3 months: uncontrollable consumption of a large amount of food. Compensatory behaviours at least an average of 2 times per week for at least 3 months: vomiting, laxative/diuretic abuse, excessive exercise, fasting.