specific eating disorders in dsm-5

anorexia nervosa

An eating disorder characterized by an intense fear of gaining weight and a distorted perception of body shape, leading to severe restriction of food intake.

bulimia nervosa

An eating disorder characterized by cycles of binge eating followed by purging behaviors such as vomiting or using laxatives.

pica

An eating disorder characterized by the persistent consumption of non-nutritive, non-food substances.

binge eating disorder

An eating disorder characterized by recurrent episodes of eating large quantities of food, often quickly and to the point of discomfort.

rumination disorder

An eating disorder characterized by the repeated regurgitation of food, which may be re-chewed, re-swallowed, or spit out.

other specific feeding disorder

A category for eating disorders that do not meet the criteria for any specific disorder but still cause significant distress or impairment.This includes disorders such as avoidant/restrictive food intake disorder and other eating behaviors that don't fit traditional diagnoses.

avoidant restrictive food intake disorder (ARFID)

An eating disorder characterized by an extreme avoidance of certain foods and a lack of interest in eating, leading to significant weight loss or nutritional deficiency.

restricting type

A subtype of anorexia nervosa where weight loss is achieved through severely limiting food intake, dieting, fasting, or excessive exercise.

binge-eating/purging type

A subtype of anorexia nervosa where the individual engages in binge eating and/or purging behaviors.

body mass index (BMI)

A measure of body fat based on height and weight, used as a diagnostic criterion for anorexia nervosa.

onset for anorexia nervosa

Peak onset occurs between 14-20 years of age, often starting as a diet in individuals who are normal or slightly overweight.

course of anorexia

Typically involves chronic deterioration of body over approximately 6 years.

Comorbidity with AN

Anorexia nervosa is often comorbid with depression, anxiety, sleep disorders, substance use, obsessive-compulsive disorder, and personality disorders.

key criteria for bulimia nervosa

Recurrent episodes of binge eating and recurrent compensatory behaviors to prevent weight gain.

onset for bulimia nervosa

Late adolescence or early adulthood, with a modal age of 15-20.

comorbidity with bulimia

Comorbid with depression, personality disorders, anxiety, substance abuse, and conduct disorder.

psychological treatment for binge eating disorder

Goals include reducing binge-eating patterns and addressing dysfunctional thinking surrounding body image.