ao1

• what are the assumptions

  we are a consequence of our genetics and physiology. the only approach in psychology that examines thought, feelings and behaviours from a biological point of view
• what does neurochemistry mean

  it refers to the action of chemicals in the brain. much of our thought and behaviour relies on chemical transmission in the brain. this occurs using neurotransmitters
• what are examples of an imbalance in neurochemicals and their result

  low levels of serotonin - ocd

  overproduction of dopamine - shizophrenia
• what is used to test the genetic basis of behaviour

  twin studies- by analysing concordance rates
• what is a genotype

  the actual genetic make-up
• what is a phenotype

  how the genes are expressed through physical, behavioural and psychological characteristics
• how does evolution affect behaviour

  natural selection- any genetically determined behaviour that enhances an individuals survival will continue in future generations
• who did research into evolution in psychological terms

  bowlby