Ways Of Studying The Brain

Question 1

What is FMRI

Answer 1

. Magnetic field and radio wave to measure blood flow
. Measure the change in energy released by haemoglobin reflecting activity

Question 2

Evaluation of FMRI

Answer 2

. (+) non invasive way of studying the brain
.(+) ethical way of studying the brain
.(-) very expensive
.(-) biological reductionism (only focuses on networked nature)

Question 3

What is an EEG

Answer 3

. Electrodes put on scalp and detect neuronal activity directly below where they are placed

Question 4

What is an ERP

Answer 4

Electrodes out in scalp and detect neuronal activity in response to a stimulus from the researcher

Question 5

Evaluation of EEG and ERP

Answer 5

.(+) cheaper than FMRI
.(+) practical application in clinical diagnosis
.(-) only reasonably accurate

Question 6

What are post mortem examinations

Answer 6

. Brain is examined after death to try and correlate structural abnormalities to behaviour

Question 7

Evaluation of post mortems

Answer 7

.(+) more detailed than other techniques
.(-) BIG ethical issues
.(-) Relies on retrospective data