Chapter 13 - Eating Disorders Flashcards
What is the EAT-26?
screening tool for eating disorders
honesty and accuracy needed
- best done privately to avoid social desirability/self-consciousness
score provides indication of risk and is intended to be used to determine if an individual should be referred to specialist for full evaluation of eating disorder
does not provide or replace diagnosis
What are the 3 main categories of eating disorder?
anorexia nervosa
bulimia nervosa
binge eating disorder
How many Canadian adolescent girls are obese? How many girls wish to lose weight?
25% are obese
40% of grade 8 girls want to lose weight even though most were not overweight
What is the Canadian prevalence for eating disorders?
0.3-1% for AN
1-2.5% for BN
2% for BN
AN least common despite being most well known
What are the sex differences in ED prevalence?
80-95% are female
70% of children with ED are female
less well known in males
What age has the highest rate of ED?
21 year olds/14-25 age group
95% of 1st time cases appear by 25
What is the mortality rate for ED? Which disorder is highest?
10-15%, highest mortality rate of any mental illness
AN has highest mortality rate, 10% will die within 10 years of onset
females 15-24 with AN have mortality 12x greater than all other causes of death combined
What is the cause of the high mortality rate associated with ED?
organ failure
suicide
What is NSSI?
non-suicidal self-injury
deliberate and direct injury or damage of body tissue
usually intended without suicidal ideation
Why do individuals self harm?
relieve and regulate internal emotions/memories
punish oneself in response to feeling guilt/shame
gain a sense of control
Describe the self-destructive cycle of an eating disorder?
anxiety/dissatisfaction/emotional pain -> coping (disordered eating) -> immense guilt -> coping (self-harm) -> anxiety/dissatisfaction/emotional pain
What are the 2 features common to EDs?
extreme concern for weight and shape
- immense fear of being fat, exaggerated desire for thinness
extreme practices of weight control
What different factors play into the fear of being overweight?
social - culture of thinness
psychological - determines self-worth, self-acceptance, and perceived acceptance
neurobiological - biochemical differences create vulnerabilities, impact on perceptual processes leading to perceptual distortions
What are the most common areas of body dissatisfaction?
butt
thighs
abs
What did Nichter and Vuckovic discover about the way girls in middle school talked about their body?
self-abasing and apologetic
obsessed with body talk
coined the term “fat talk”
When does body dissatisfaction start?
early!
42% of grade 1-3 students want to be thinner
81% of 10 year olds afraid of being fat
40-60% of 6-12 year old girls are concerned about their weight or becoming too fat
What is fat talk?
tendency for friends, particularly female, to take turns disparaging their bodies to each other
common and expected for women to self-degrade
normative discontent
young people seen as more likeable if they engage in fat talk
believe in provides reassurance but creates back and forth comparison that are never ending
What are some negative effects associated with fat talk?
body dissatisfaction negative affect depression anxiety ED symptoms or full on disordered eating more frequent checks of ones body
also creates body dissatisfaction in others
What is meant by distortions in body view?
dissatisfactions with weight and shape regardless of actual weight/shape
distorted view of the self
very common
What are some of the extreme practices used to lose weight?
self-induced vomiting amphetamines laxative and diuretic abuse fasting excessive exercise enemas diet pills
What is anorexia nervosa?
term defined means chronic lack of appetite/desire for food, but this is inaccurate
become preoccupied with food
self-imposed starvation
avoiding food even when hungry
What is the DSM-5 criteria for AN?
a) restriction of food/energy intake leading to significantly low body weight
b) intense fear of gaining weight or persistent behaviour that interferes with weight gain
c) disturbance in the way body weight or shape is experienced