PSYCH 333 1st Edition Lecture 11Outline of Previous Lecture I. Quiz 6 Chapter 7II. SuicideOutline of Current LectureI. Eating DisordersII. Bulimia NervosaIII. Anorexia NervosaCurrent LectureEating Disorders- The most fatalistic eating disorder is anorexia nervosa- Bulimia nervosa and anorexia nervosa both involve disruptions in eating behavior and fear of gaining weight- Binge-eating disorder is when individuals binge repeatedly and find it distressing but don’t purge food- Sociocultural origins of eating disorders- westernized views of beauty-usually happens to upper-class power seeking women or gay mennot common among lesbians- Obesity- 70% of US adults are overweight; 35% are obese-rates are increasing-health risks are heart disease, diabetes, high blood pressure, etc.- BMI=703X(weightlbs/height^2inches)Bulimia Nervosa- Binge eating-excess amounts of food; perceived as out of control- Compensatory behavior- purging; excessive exercise; fasting- Belief that popularity and self esteem are determined by weight and body shape- Clinical description:-purging (most common)vomiting, laxatives, diruetics-nonpurging exercise and or fasting; only 6-8% of bulimics- Most are within 10% of normal weightThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Medical consequences: salivary gland enlargement; erosion of dental enamel; electrolyte imbalance; kidney failure; cardiac arrhythmia; seizures; intestinal problems; permanent colon damage; hand calluses- Associated psychological disorders:-anxiety 80.6% at some point in life; 66% have it while bulimic-mood disorders 50-70% at some point during duration of bulimia; usually occurs afterbulimia begins-substance abuse 36.8% have it in occurrence with bulimiaAnorexia Nervosa- “overly-successful” weight loss- 15% below expected weight relentless pursuit of thinness- intense fears of gaining weight and losing control of eating- often begins with dieting during adolescence by those who perceive themselves as overweight as puberty begins and causes weight gain- 20% die; 5% die within 10 years- 20-30% die from suicide; 50x higher rate than the general population- less than 5% of females are born with current ‘ideal’ body figure- subtypes:-restricting just not eating-binge eating purging purge every time they eat; binge is consuming normal or less than normal amount of food- associated features: body image disturbance; pride in diet and control; rarely seek treatment- medical consequences: amenorrhea; dry skin; brittle hair/nails; sensitivity to cold temps;lanugo (super fine hairs grow all over body to regulate body temp); cardiovascular problems; electrolyte