Biological approach

Cards (9)

What are genes? 
A unique combination of genetic instructions
What is heritability? 
A statistical measurement of how genes influence different people, a higher heritability the more traits that are inhibited
What does Darwin argue about genes?
That behavior can be explained by seeing the combination of genes and environments on the individual
What did twin studies show about the importance of genes?
Monozygotic twins have a concordance rate of 0.4 whilst dizygotic twins have one of 0.14 for schizophrenia
What is a genotype? 
A particular set of genes that an individual possess
What is a phenotype? 
Visual characteristics of an individual that is determined by both genes and environment
What are excitatory neurotransmitters? 
They trigger nerve impulses in the receiving neuron and stimulates the brain into action
What are inhibitory neurotransmitters? 
Nerve impulses that calm down the brain and balance moods
What is brain physiology?
A study of the interactions between different regions of the brain that help to control different functions