Class notes
Eating Disorders
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an introduction to anorexia nervosa and bulimia nervosa, symptoms, risk factors, treatments
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Eating disorders 2 Individual risk factors:
o Gender and age
o Negative body image
More engagement in social media, selfie-taking and sharing greater
overvaluation of shape and weight, more body dissatisfaction and dietary
constraint
Relationship between social media and body concerns – bidirectional and
mutually reinforcing
o Internalization of thin ideal
Family
Parental criticism
Media influences
Body dimensions shown in media have become thinner over last few
decades
o Perfectionism
o Neurocognitive impairments
OCD, perfectionist and social-communicative difficulties
Intermediate phenotype triggered by a specific neurocognitive prfile
Poor set-shifting and weak central coherence
o Dieting
o Negative emotionality
o Childhood sexual abuse
Obesity
o High cholesterol
o Hypertension
o Diabetes
o Arthritis
o Cancer
o Risk and causal factors:
Genetics
Neurotransmitters and hormones
Socio-cultural influences
Family influences
High fat, high calorie diet
Alleviate distress or show love
Overfeeding
‘socially contagious’ obesity
Stress and ‘comfort food’
Triggered by:
o Watching TV/movies
o Attending parties
o Becoming anxious, angry or bored
o Treatment:
Lifestyle modifications
Medications
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