Ways of studying the brain

Question 1

What happens in fMRI

Answer 1

Changes are detected in the blood oxygen levels of the brain, the higher levels detected the higher level of use in that side of the brain

Question 2

What happens in EEG

Answer 2

Electrical activity is measured in the brain with electrodes on a skull cap

Question 3

What happends in ERP

Answer 3

Takes many recordings of brain scans and uses statistical averaging techniques

Question 4

What happens in post mortem examination

Answer 4

The deceased persons brain is sliced into many layers and analysed

Question 5

What scan is used for cognitive activities

Answer 5

ERP

Question 6

What scan is used for diagnostics

Answer 6

EEG

Question 7

Strength of PME

Answer 7

Finding of Broca’s area

Question 8

Weakness of PME

Answer 8

Difficult to establish cause and effect

Question 9

Weakness of ERP

Answer 9

Poor spatial resolution

Question 10

Weakness of ERP

Answer 10

Poor spatial resolution

Question 11

Strength of EEG

Answer 11

Good for studying the stages of sleep

Question 12

Weakness of EEG

Answer 12

Poor spatial resolution

Question 13

Strength of fMRI

Answer 13

Doesn’t require the use of radiation like PET scans do (its non invasive)

Question 14

Weakness of fMRI

Answer 14

5 second lag (poor temporal resolution)