Lecture 11

Question 1

Diagnostic criteria for Anorexia Nervosa?

Answer 1

Energy intake restriction → low body weight, fear of weight gain, distorted self-perception

Question 2

Anorexia Nervosa Subtypes?

Answer 2

Restricting (AN-R)
Binge/purging (AN-BP)

Question 3

Anorexia Nervosa prevalence & sex ratio?

Answer 3

0.4–0.8% (12-month)
10:1 female to male ratio

Question 4

AN health complications?

Answer 4

Cardiac, endocrine, GI issues
Highest death rate of any mental illness

Question 5

Diagnostic criteria for Bulimia Nervosa?

Answer 5

Recurrent binge eating + compensatory behaviours; ≥1 time/week for 3 months.

Question 6

Bulimia Nervosa subtypes?

Answer 6

Purging (vomiting/laxatives)
Non-purging (fasting)

Question 7

BN clinical presentation?

Answer 7

Binge-purge cycle
Average weight
Aware of maladaptive behaviours.

Question 8

Binge Eating Disorder diagnostic criteria?

Answer 8

Recurrent binge eating with 3+ behaviours (e.g., rapid eating, guilt, eating alone), no purging.

Question 9

Binge Eating Disorder prevalence?

Answer 9

2–3% (12-month)

Question 10

What is OSFED?

Answer 10

Clinically significant Eating Disorder symptoms without meeting full criteria

Question 11

Examples of OSFED?

Answer 11

Atypical AN
Purging disorder
Night eating syndrome
Subthreshold BN/BED

Question 12

What is UFED?

Answer 12

Similar to OSFED, used when specifics are unclear or undisclosed.

Question 13

Features of Avoidant/Restrictive Food Intake Disorder?

Answer 13

Onset earlier than AN/BN
Sensory issues, lack of interest in food
More common in males

Question 14

Pica/Rumination features?

Answer 14

Eating non-food items or regurgitating food; more common in those with intellectual disability

Question 15

What is disordered eating?

Answer 15

Subthreshold symptoms, common in teens, may progress to full ED

Question 16

What is orthorexia?

Answer 16

Fixation on “pure” eating
Not in DSM
Overlaps with AN in rigidity and impairment

Question 17

What does the dual pathway model of Bulimia Nervosa N propose?

Answer 17

Binge eating stems from restriction and emotion regulation

Question 18

Genetic factors in EDs?

Answer 18

40–60% heritability
Gene-environment interactions matter

Question 19

Psychological/environmental risk factors?

Answer 19

Abuse
Family dynamics
Weight-based criticism

Question 20

EDs in gender-diverse individuals?

Answer 20

Higher rates, especially among transgender men
Stigma, body dissatisfaction key factors

Question 21

Effective treatments for EDs?

Answer 21

Family-based therapy (AN adolescents)
CBT/CBT-E (BN/BED)
Guided self-help

Question 22

Recovery barriers?

Answer 22

Secrecy, fear of change, egosyntonic nature, ingrained behaviours