Ways of investigating the brain

Question 1

What are the 4 main techniques of studying the brain?

Answer 1

• fMRI scans
• EEGs
• ERPs
• post-mortem examinations

Question 2

How do fMRI scans work?

Answer 2

• detect changes in blood oxygenation & flow that occurs as a result of neural activity in specific areas of the brain
• when the brain is more active it consumes more oxygen to meet increased demand
• produces 3D images showing which parts of the brain are involved in particular mental processes

Question 3

How do EEGs (electroencephalograms) work?

Answer 3

• measure ele