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Ways of Investing the Brain (EEG's (Overall electrical activity, Waves…
Ways of Investing the Brain
FMRI's
Uses magnetic fields
Shows changes in brain activity
Oxygen flows in blood to working parts
Blood responds differently to magnetic fields
Non invasive
Expensive
Poor temporal validity
EEG's
Overall electrical activity
Waves
Abnormal patterns indicate conditions
ERPs show response to a stimulus
Less expensive
Non invasive
Good temporal validity
Can't see where the waves come from
Post mortem
Look at internal structures
Look for abnormalities in people that suffered a condition
Used to confirm where Broca's area was
Doesn't help the individual it is performed on