Conceptual models

Question 1

What was the Minnesota starvation experiment?

Answer 1

Induced 25% weight loss through reducing calorie intake by 50% in 32 healthy male volunteers. Looked at the effects. Led to anhedonia, apathy, asociality. Obsessionally, depression and anxiety.

Question 2

What were the key findings of the Minnesota starvation experiment?

Answer 2

That many AN symptoms appear due to starvation and that they maintain the disorder. That weight loss can be a trigger for an ED. And that the effects can be reversed by up keeping nutritional intake again.

Question 3

What is the transdiagnostic model of eating disorders? (Fairburn et al.)

Answer 3

Core: dysfunctional scheme for self-evaluation. They are very hard on themselves and this channels into shape/weight evaluation, which reduces self-worth. They also have core low self-esteem coupled w/ perfectionism, which leads to strict dieting and weight control - Leading to either starvation syndrome or binge-purging cycles.