PSY 436 Instructor: Emily E. Bullock, Ph.D. Eating Disorders PSY 436 Instructor: Emily E. Bullock, Ph.D.

DSM-IV-TR Anorexia Nervosa Diagnostic Criteria Refusal to maintain body weight at or above a minimally normal weight for age and height Intense fear of gaining weight, even through underweight Disturbance in the way in which one’s body weight or shape is experienced, undue influence of body weight or shape on self-evaluation, or denial of the seriousness of the current low body weight The absence of at least three consecutive menstrual cycles

DSM-IV-TR Anorexia Nervosa Diagnostic Criteria Specifiers Restricting Type: person not regularly engaged in binge-eating or purging behavior Bing-Eating/Purging Type: person has regularly engaged in binge-eating or purging behavior

Medical Complications of Anorexia Anemia Dermatological problems Cardiovascular complications Gastrointestinal problems Menstrual irregularities Muscular weakness Abnormal bone growth Death

DSM-IV-TR Bulimia Nervosa Diagnostic Criteria Recurrent episodes of binge eating that is characterized by both of the following Eating, in a discrete period of time and amount of food that is definitely larger than most people would eat during a similar period of time and under similar circumstances A sense of lack of control over eating during the episodes Recurrent inappropriate compensatory behavior in order to prevent weight gain (vomiting, laxatives, diuretics, enemas, exercise, fasting)

DSM-IV-TR Bulimia Nervosa Diagnostic Criteria Bing eating and inappropriate compensatory behaviors both occur at least twice a week for 3 months Self evaluation is unduly influenced by body shape and weight The disturbance does not occur exclusively during episodes of anorexia Specifiers Purging type Nonpurging type

Medical complications of Bulimia Due to repeated vomiting Skin irritation Blockage of salivary ducts Decay of tooth enamel Dental cavities Damage to taste receptors Abdominal pain Hiatal hernia Pancreatitis Disturbance in menstrual functioning Laxative dependency Convulsions and swelling death

A Multifactorial Model of Eating Disorders

Thinner and Thinner

Treatment of Eating Disorders Biomedical Treatment Psychotherapy Cognitive-behavioral therapy Family therapy

Obesity: A National Epidemic Are You Obese? What Causes Obesity? Genetic Factors Metabolic Factors Fat Cells Lifestyle Factors Psychological Factors

Obesity: A National Epidemic Facing the Challenge of Obesity Changing the As, Bs, Cs of overeating