Psychology 2030A/B Chapter Notes - Chapter 8: Bulimia Nervosa, Binge Eating, Borderline Personality Disorder

• School: Western University
• Department: Psychology
• Course: Psychology 2030A/B
• Professor: Ian Nicholson

Document Summary

Out of control eating episodes (binges), followed my self-induced vomiting (purging) Purging type and non-purging type (exercise, fasting), eventually merged for dsm-5. Comorbid depression, anxiety, alcohol and sexual abuse. Consequences: salivary gland enlargement, erosion of dental enamel on inner surface of front teeth, chemical imbalance of bodily fluids (na+, k+), called electrolyte imbalance can result in cardiac arrhythmia and renal failure, calluses on fingers. A theory suggests eating disorders as an expression of depression, however, depression often follow bulimia. Related to borderline personality disorder, impulse control disorders. Are ashamed of problem and lack of control. Increased risk in twins born after 1960. Person eats minimal amounts of food, weight drops dangerously. Highest mortality rate than any psychological disorder. For both, overwhelming drive to be thin, more cases in socially competitive environments. Excessive exercising more characteristic for anorexia (may also be an early warning sign) Do not see themselves as having illness, are proud of their diets.