Chapter 10: Eating Disorders Flashcards
Definition: Anorexia Nervosa
-Characterized by food restriction that leads to a significant low weight relative to a person’s age, height, and sex
-They also have a fear of gaining weight
Anorexia and the Middle Ages Described
-Behaviours were viewed positively
Bulimia Nervosa Defintion
Individuals experience episodes of binge eating= consume a large amount of food and feel out of control while they eat
-This then follows a period of food restriction
-After the binge, they try and compensate for what they have eaten= self induced vomiting, laxative use, fasting, or exercise
Binge Eating Disorder
Recurrent episodes of binge eating
-Do not regularly engage in behaviours to try to compensate for binge eating
Eating Behaviours of Binge Eating
-A variety of eating behaviours:
Eating rapidly, eating until comfortably full, eating despite not being hungry, eating alone because of embarrassment and feeling guilt and disgust about binge eating
Feeding Disorders
Pica, rumination disorder, avoidant/restrictive food intake disorder
Pica
Eating non food substance
-Dirt or paper
Rumination Disorder
Regurgitating food
Avoidant/Restrictive Food Intake Disorder (ARFID)
-resembles anerexia
-Feeding disturbance that leads to being underweight and or an inability to eat enough food to meet nutritional/energy needs
-They do not perceive themselves as fat/do not have a distorted perception of their body weight or shape
Food Avoidance in ARFID
-Disinterest in eating
-Aversive sensory concerns about food (texture)
-Concerns about negative consequences of eating (choking, or becoming ill)
Anorexia Nervosa
Intense fear of gaining weight, or of becoming fat
-Fear is paradoxical= they are underweight
Anorexia: Maintain low weight
-Restrict the amount of food they eat
-Begin with a reduction in the total number of calories consumed and avoidance of food that are high in calories
Forbidden Foods
-food they refuse to eat
-The belief that eating these feared/forbidden food will result in weight gain, and they might believe that this weight gain will occur right after eating
Anorexia: Other ways of Losing Weight
-Excessive exercise
-General restlessness (pacing back and forth)= driven to burn calories, or poor nutrition and starvation
-Purging behaviours (Self induced vomiting or abuse or laxatives
Objective binge eating episode
Involves eating an objectively large amount of food (larger than most) in a specific time period (less than 2 hours)
Subjective Binge eating episode
If the individual experiences loss of control over eating while consuming small or normal amounts of food
Anorexia: Body Disturbances
-Body dissatisfaction= view their overall body weight or shape to be unacceptable. Not liking a body part
Anorexia and self assessments of body
_repeated weighing, measuring body parts, constant checking their body shape in mirrors or other reflective surfaces
Bulimia Nervosa
Episodes of objective binge eating followed by compensatory behaviours designed to prevent weight gain
-Yet they are not underweight
Behaviours of Bulimia
-Engage in objective binge eating episodes and compensatory behaviours (fasting and excessive exercise, purging)
-Vomiting and laxative abuse
Foods: Bulimia
Foods that are high in calories are consumed (pizza, cake, ice crea, etc)
-More calories from fat and carbs
-They consume forbidden foods
After binge eating
Feelings of physical discomfort
-Guilt, shame, and anxiety about weight gain
Cyclical Pattern: Bulimia
-After purging, they may begin another period of dieting or restriction, leaving them feeling hungry in addition to feeling guilty about purging
-Restriction, binge eating, purge
Binge eating occurs
In an attempt to escape from high levels of aversive self awareness
-They have high expectations of themselves, and often fail to meet high standards for themselves
-Awareness of their failure leads to feelings of anxiety and depression, and they become motivated to escape from negative state
-They shift focus away from perceived failure and toward the behaviour and positive sensations associated with eating
Negative emotions subside when
Person will purge
Difference between anorexia and bulimia
Is body weight
-Those with anorexia are underweight, people with bulimia are not underweight