Week 1: eating disorder psychology Flashcards
What are the key eating disorder recongised on the ICD11?
Anorexia Nervosa
Bulimia NErvosa
Binge eating disorder
Pica
ARFID
OSFED
How might OSFED by further subdivided?
Atypical anorexia nervosa - BMI >18.5
Bulima/Binge Eating disorder of low frequency/duration
Whata re the ICD diagnositic criteria for anorexia nervosa?
BMI 18.5 or less
Persistent patterns of behaviour to prevent normal resotarion of weight
Body image distortion
Low body weight/shape is important to persons self evaluation
Intense fear of gaining weight
What are the ICD-11 subtypes of anorexia nervosa?
Significantly low body weight - BMI 14-18.5
Dangerously low body weight - BMI below 14
Restricting pattern - exercise or restricted diet
Binge-purge pattern - binge and/or purging alongside restriction
Anorexia Nervosa - in recovery with normal body weight n normally given when behaviours have stopped for >1yr
What are the ICD diagnostic criteria for Bulima Nervosa?
Not significantly underweight
Preoccupation with weight/shape influences self evaluation
Episodes of binge eating with recurrent compensatory behaviour
What are the diagnositic criteria for a binge episode?
Discrete period of time
Subjective loss of control
More than usual - typically over 1000s calories
What are the ICD diagnositic criteria for Binge Eating Disorder?
Frequenct bindges
Feel distressed and other negative emotions (guilt/disgust)
Not associated with compensatory behaviour
What are the ICD diagnostic criteria for ARFID?
Abnormal eating/feeding resulting in insufficent variety of quantity of food
May have significant weight loss or failure to grow
Impaired health and functioning as a result
Not due to concerns around body shape or weight
Isnt caused by underlying health condition, effects of meds or lack of food availability.
What are the ICD-10 main subtypes of ARFID?
Specific phobia - e.g choking, allergy
‘Picky eating’ - taste, texture, colour, brand
Lack of appetite/interest or somatic anxiety symptoms.
What are the key features of anorexia nervosa specif in children?
Do not use BMI rather is BMI for age is under the fifth percentile
Prepubertal onset can lead to delayed pubertal events or arrested puberty
What are the key characertistics of anorexia nervosa in men specifically?
Loss of sexual interest or potency
Differences in idealised body shape - muscular or lean desire, starvation changes focus to law weight.
What is bigorexia?
Believes they are small and skinny
Whilst in reality they are normally or greater than normal muscular
What is drunkorexia?
When a person restricits intake in order to save calories for alcohol
What is orthorexia?
Obsessed with a healthy or clean diet
What is Type 1 diabetes eating disorder?
Omitting insulin - aka diabulimia - in order to loose weight
How common are eating disorders in HIC?
15% of young women
5.5% of young men
Will suffer from an eating disorder
What are some figures around the prevalence and life span of anorexia nervosa?
One of the most common chronic illnesses in adolscence - at least as high as T1DM
Peak diagnosis is between 15-25
Average illness duration is around 6 years
What physical illnesses are often considered as differential diagnosis alongside eating disorders?
Gastrointestinal condition
Endocrine conditions
What mental disorders are often considered as differential diagnosis for eating disorders?
Depressive disorder
Anxiety disorder
Driven by personaltity disorder - use changing/controlling food behaviour to diminish symptoms
What co-morbid mental health conditions are people with anorexia nervosa also often diagnosed with?
Depression
Anxiety
OCD
Personality disorders - avoidant or anankastic
What co-morbid mental health conditions are commin in Bulimia?
Depression
Substance missuse
Self harm/suicide attempts
Emotionally unstable personality disorder