Biological Explanations Of Anorexia

Question 0

Fava

Answer 0

Brain Chemicals: found altered levels of serotonin and noradrenaline in anorexics

Question 1

Holland

Answer 1

Found concordance rates of
MZ 56%
DZ 7%
Suggests anorexia is genetic

Question 2

Vigesky

Answer 2

Serotonin antagonists are effective in 1/3 of patients esp if anorexia is severe

Question 3

Research Support For dopamine

Answer 3

Brain Chemicals: PET scans show over active D2 receptors

Question 4

Italian Study

Answer 4

Brain Structure: found a positive correlation between birth complications (lack of O2) and anorexia development

Question 5

Swedish Study

Answer 5

3x more likely incidence of anorexia if premature by 8+ weeks