Chapter 11- Eating Disorders Flashcards
What is Anorexia nervosa?
A disorder marked by the pursuit of extreme thinness and by extreme weight loss
What characterizes having anorexia nervosa?
Maintains a significantly low body weight, intensely fears becoming overweight, has a distorted view of their weight and shape, excessively influenced by their weight and shape in their self-evaluations, overestimate their actual proportions
What is restricting-type anorexia nervosa?
Reduce their weight by restricting intake of food, eventually show almost no variability in diet
What are other behaviours people with anorexia nervosa engage in?
Force themselves to vomit after meals, or abuse laxatives and diuretics
What is peak onset age for anorexia nervosa?
Between 14 and 20 years old
What is the typical way anorexia nervosa begins?
Diets often can trigger anorexia, or after a stressful event
What is the mortality rate of people with anorexia nervosa?
6% become so seriously ill that they die, usually from medical problems brought on by starvation, or from suicide
What is the primary motivator for people with Anorexia nervosa?
Fear, afraid of becoming obese, of giving into their desire to eat, of losing control of the size and shape of their bodies
True or false people with anorexia are preoccupied with food?
True, they spend considerable time thinking and reading about food, planning their limited foods, often dreaming about food and eating
True or false preoccupation with food may be a result of food deprivation rather than its cause?
True
What is a popular assessment technique used to test the tendency to overestimate body size?
Research participants look at a photograph of themselves though an adjustable lens. Asked to adjust lens until the image that they see matches their actual body size
How do people with anorexia nervosa perform on the test?
Stop the lens when the image was larger than they actually were, up to 20% larger
True or false, people with anorexia nervosa can develop maladaptive attitudes?
True, often they strive for perfection, feel guilty for eating and believe themselves to be a better person if they deprive themselves
True or false, people with anorexia nervosa can have certain psychological problems?
True, common psychological problems include depression, anxiety, obsessive-compulsive disorder, low-self esteem, insomnia, or other sleep disturbances and substance abuse
What sort of medical problems occur as a result of the starvation habits of anorexia nervosa?
Lowered body temperature, low blood pressure, body swelling, reduce bone mineral density, slow heart rate, amenorrhea, electrolyte and metabolism imbalance, heart failure, circulatory collapse
What is amenorrhea?
the absence of menstrual cycles
What sort of physical problems occur as a result of the starvation habits of anorexia nervosa?
Skin becomes rough, dry, and cracked. Nails become brittle. Hands and feet to be cold and blue. Can loose hair from the scalp, and grow lanugo
What is lanugo?
Fine silky hair that grows on their trunk, extremities, and face. The body does this to maintain body heat
What is bulimia nervosa?
A disorder marked by frequent eating binges followed by forced vomiting or other extreme compensatory behaviours to avoid gaining weight
How else is bulimia nervosa known?
Binge-purge syndrome
What is a binge?
An episode of uncontrollable eating during which a person ingests a very large quantity of food rapidly and chews minimally, rarely tasting the food
How long does a binge episode last?
Over a limited period of time, often two hours, during which the person eats much more food than most people would eat during a similar time span
What are compensatory behaviours in bulimia nervosa?
Force vomiting, misusing laxatives, diuretics, or enemas, fasting, or exercising excessively
What is peak onset age for bulimia nervosa?
Between 15 and 20 years old
Difference between anorexia and bulimia?
Anorexic people have a low weight, whereas, bulimic people usually stay within a normal range of weight (may fluctuate markedly within that range)
Exception of bulimia in relation to weight (IMPORTANT)
Although most stay within a relatively normal range, some become seriously underweight and eventually qualify for a diagnosis of anorexia nervosa instead
How often do people with bulimia have binge episodes?
May have between 1 and 30 binge episodes per week
What are the feelings experienced during binging
relieve of the unbearable tension to eat “forbidden foods” but then feels extreme self-blame, shame, guilt, and depression, as well as feared of gaining weight
Vomiting as a compensatory behaviour following a binge
Vomiting fails to prevent the absorption of half of the calories consumed during the binge. Also affects one’s general ability to feel satiated, leading to greater hunger and more frequent and intense binges
Laxatives or diuretics as a compensatory behaviour following a binge
Also largely fails to undo the caloric effects of bingeing
What is the typical way bulimia nervosa begins?
Diets often can trigger bulimia
What is a result of being placed on a very strict diet?
Often results in binging
Similarities between Anorexia and Bulimia?
Typically begin after a period of dieting, people are fearful of becoming obese, driven to become thing, preoccupied with food, weight, appearance, and struggling with depression, anxiety, obsessiveness and the need to be perfect, and substance abuse. Both have disturbed attitudes toward eating
Similarities in the way anorexic and bulimic people think?
The belief that they weigh too much and look too heavy regardless of their actual weight or appearance
What is body dissatisfaction?
Evaluate weight and shape negatively, single most powerful contributor to dieting and the development of eating disorders
Differences between anorexia and bulimia?
Both worry about the opinions of others, however, those with bulimia tend to be more concerned about pleasing others, being attractive to others, and having intimate relationships. Bulimic people tend to be more sexually experienced and active than people with anorexia nervosa. Bulimic people have more mood swings
Personality disorder and bulimia?
1/3 of those with bulimia display characteristics of a personality disorder (borderline personality disorder or avoidant personality disorder).
Medical differences between anorexia and bulimia?
Almost all women with anorexia are amenorrheic, whereas, only half of women with bulimia are amenorrheic or have irregular menstrual periods
Medical problems specific to those with bulimia?
Vomiting leads to dental problems (breakdown of enamel and loss of teeth), vomiting and/or chronic diarrhea can result in potassium deficiencies, leading to weakness, intestinal disorders, kidney disease or heart damage
What is binge-eating disorder?
A disorder marked by frequent binges without extreme inappropriate compensatory acts
True or false most overweight people engage in repeated binges?
False, most do not. Their weight results from frequent overeating and/or a combination of biological, psychological, and sociocultural factors
How is binge-eating disorder similar to anorexia and bulimia?
The binges that characterize this pattern are similar, the amount of food eaten and the sense of loss of control experienced during the binge. Also preoccupied with food, weight, and appearance
How are people with binge-eating disorder characterized?
Base their evaluation of themselves largely on their weight and shape; misperceive their body size and are dissatisfied with their body, struggle with feelings of depression, anxiety, and perfectionism, may have substance abuse
Differences between binge-eating disorder and the other two disorders
With binge-eating disorder, they aspire to limit their eating but are not as driven to thinness, does not necessarily begin because of dieting.
When do people typically develop binge-eating disorder?
In their twenties
What is the multidimensional risk perspective
A theory that identifies several kinds of risk factors that are thought to combine to help cause a disorder. The more factors present, the greater the risk of developing the disorder
What are the most common factors?
Biological, psychological and sociocultural
What does the multidimensional risk perspective contend?
Risk factors for eating disorders unfold over the course of development (similar to developmental psychopathology perspective). Interactions between these factors is important