Eating Neural mechanism for an eating disorder

Question 1

What did Holland find in 1988?

Answer 1

Using 34 twins pairs and a set of triplets, he found that MZ concordance for anorexia was 56% whereas for DZs it was 7%. It affects 1% of girls.

Question 2

What did Anand and Brobeck find in 1951?

Answer 2

Lesioning the lateral hypothalamus led to reductions in eating behaviour.

Question 3

What can be said to undermine the lateral hypothalamus role in anorexia?

Answer 3

Anorectics feel hunger.

Question 4

What did Bailer find in 2007?

Answer 4

Using a PET scan, he found higher levels of serotonin activity in those those showed most anxiety.

Question 5

What did Kaye find in 2003?

Answer 5

When tryptophan was reduced using a drug, anxiety levels fell.

Question 6

What did Kaye find in 2005?

Answer 6

Using a PET scan, he found activity of dopamine in the Basal Ganglia was much higher in recovering anorectics than healthy women.

Question 7

What did Wang find in 2001?

Answer 7

Dopamine levels in obese people are lower.

Question 8

Using 34 twins pairs and a set of triplets, he found that MZ concordance for anorexia was 56% whereas for DZs it was 7%. It affects 1% of girls.

Answer 8

Holland, 1988.

Question 9

Lesioning the lateral hypothalamus led to reductions in eating behaviour.

Answer 9

Anand and Brobeck, 1951.

Question 10

Using a PET scan, he found higher levels of serotonin activity in those those showed most anxiety.

Answer 10

Bailer, 2007.

Question 11

When tryptophan was reduced using a drug, anxiety levels fell.

Answer 11

Kaye, 2003.

Question 12

Using a PET scan, he found activity of dopamine in the Basal Ganglia was much higher in recovering anorectics than healthy women.

Answer 12

Kaye, 2005.

Question 13

Dopamine levels in obese people are lower.

Answer 13

Wang, 2001.