Genetic explanations

Question 1

MAOA low activity gene

Answer 1

Results in higher levels of neurotransmitters such as serotonin

Question 2

MAOA GENE

Answer 2

-Gene which creates an enzyme which breaks down neurotransmitters

Question 3

Brunner Case study

Answer 3

Family of males with low activity version of the MAOA Gene had higher levels of aggression than the wider population

Question 4

Coccaro concordance rates

Answer 4

Found Identical twins had concordance rates 50% of physical aggression compared to non identical twins who had 19%

Question 5

Concordance rates of aggression

Answer 5

50% for MZ twins 19% for DZ twins

Question 6

Limitation

Answer 6

cannot explain aggression in those who express the gene

-environmental factors are invlved, better explained by a diathesis stress model