PSY 3171 Lecture Notes - Lecture 15: Bulimia Nervosa, Acid Erosion, Water–Electrolyte Imbalance

• School: University of Ottawa
• Department: Psychology
• Course: PSY 3171
• Professor: Allison Jane Ouimet

Document Summary

Restriction of food intake leading to low body weight. Intense fear of becoming fat/ persistent behaviour that interferes with weight gain. Disturbance in perception of body weight/shape, undue influence of body weight/shape, persistent lack of recognition of seriousness of current low body weight. Restricting type: no recurrent purging in last 3 months; weight loss is accomplished primarily through dieting, fasting and/or excessive exercise. Binge-eating purging type: recurrent episodes of binge-eating or purging behaviour. Objective binge: abnormally large amount of food and sense of loss of control. Subjective binge: normal or small amount of food perceived as binge and sense of loss of control. Can be satisfied with current body weight shape. Up to 20 % die as a result of their disorder. Prevalence: 6-9% of young women; 1. 1 -2. 3 % of. Dieting 14% (1950) to 44% (1999) of women. Marked distress due to recurrent episodes of binge-eating. Still more prevalent in women but much less skewed (2:1)