{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Eating disorders overview slides

Eating disorders overview slides - Eating disorders Eating...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Eating disorders: Eating disorders: • Appear during passage into adolescence or into adulthood • Early risk factors clash with adolescent challenges • May lead to control over eating to manage stress and physical changes • This, plus compensatory behaviors, can lead to eating disorders Anorexia Nervosa: Anorexia Nervosa: • • • Refusal to maintain normal weight Intense fear of gaining weight Significant disturbance of perception and experience of size • Denial of problems • Weight loss is seen as triumph of self­ discipline • There is never enough weight loss Anorexia Nervosa: • Restricting type: – Lose weight by dieting, fasting, obsessive exercise – More highly controlled, rigid, obsessive – About 50% of people with AN – Episodes of binge eating and purging – Stronger family histories of obesity – Higher rates of impulsive behaviors • Binge­eating/purging type: Anorexia Nervosa: • • • • • • • Serious medical problems common Average weight 25­30% below normal Cessation of menstrual cycles Dry and yellowish skin Fine hair on truck, face, and limbs Sensitivity to cold Cardiovascular and gastrointestinal problems Bulimia Nervosa: Bulimia Nervosa: • • • • More common than AN Binge eating Attempts to conceal binge eating/shame Compensate for binge to prevent weight gain (self­induced vomiting, laxatives, diet pills, exercise, etc) • Purging type or non­purging type • 2/3 engage in purging (usually vomiting) Bulimia Nervosa: • Rigid or absolutistic in thinking— completely in control or completely out of control • Medical consequences include fatigue, headaches, loss of dental enamel Binge Eating Disorder: Binge Eating Disorder: • Binge eating without compensatory • • • • behaviors Periods of overeating with subjective feeling of loss of control Related to higher rates of obesity and weight loss attempts 3.1% in girls, .9% in boys Associated with low self­esteem, depression, suicide attempts AN versus BN: AN versus BN: • Both have distorted body image and bad • • • • • feelings after eating AN 15% or more below body weight BN within 10% of normal weight AN rarely binge, avoid forbidden food BN binge frequently on forbidden food and purge to control weight AN intense drive for thinness Prevalence: Prevalence: • • • AN is .3%, BN is 1% Gender ratio 11:1 for AN, 30:1 for BN Rare among males, but they may be underdiagnosed • Cultural/ethnic differences unclear • Exposure to Western ideals Developmental course: Developmental course: • AN starts in adolescence (14­18), often begins gradually, sometimes stressful event • Poor prognosis for AN • AN highest mortality rate of any psychiatric disorder Developmental course: • BN diagnosed in late adolescence or early adulthood, but symptoms may be present earlier • Often develops after period of dieting • Greater chance of recovery from BN • In general, maturing into adulthood and getting away from social pressures may help with problem eating or dieting Causes: Biological dimension Causes: Biological dimension • Play minor causal role, but may contribute to maintenance • Eating disorders run in families – Vulnerability is likely what is inherited – Regulates hunger and appetite – Biochemical similarities with depression and OCD • Possible role of serotonin Causes: Social dimension Friday! Friday! Causes: Psychological dimension • AN • BN – Obsessive and rigid, emotional restraint, prefer the familiar, need for approval, low adaptability to change, depression – Mood swings, poor impulse control, obsessive­compulsive behaviors, depression and anxiety • Almost always accompanied by other disorders Treatments: Treatments: • CBT for the individual – Improve distorted beliefs about body image – Reward appropriate eating behaviors – Address cues to binge or purge – Self­monitor • Family therapy to improve communication • Medical interventions/nutritionist when needed; SSRI’s ...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online