Psychology 2310A/B Lecture Notes - Bulimia Nervosa, Binge Eating, Water–Electrolyte Imbalance

• School: Western University
• Department: Psychology
• Course: Psychology 2310A/B
• Professor: Rod Martin

Document Summary

Dsm-iv: eating disorders weight levels: anorexia nervosa: characterized by the pursuit of thinness to dangerously low, bulimia nervosa: characterized by a binge-purge syndrome in people who are generally in the normal weight range. Intense fear of gaining weight or being fat: refusal to maintain minimally normal body weight for one"s age and height, disturbance in body image, amenorrhea in women past puberty, subtypes, restricting type, binge eating / purging type. Anorexia associated features: depressive symptoms, obsessive-compulsive features, low self-esteem, medical complications, anemia, dehydration, low metabolism rate, electrolyte imbalance, endocrine abnormalities, eeg abnormalities, erosion of dental enamel, liver damage, cardiovascular problems, osteoporosis. Age, culture, gender: > 90% female, average age of onset = 17, rarely occurs after age 40, rarely begins before puberty, far more prevalent in industrialized societies. 0. 5% - 1% of adolescent, young adult females. Course: onset often stress-related, variable course single episode; intermittent; chronic, often requires hospitalization, mortality rate > 10% in those requiring hospitalization.