Imaging Techniques Flashcards

0
Q

Noninvasive
Excellent temporal resolution
Limited spatial resolution

A

Scalp EEG

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1
Q

Measures hemodynamic response to neural activity
No radiation
Delayed and imprecise

A

fMRI

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2
Q

Surface grid and depth electrodes in epilepsy patients

Can record or stimulate

A

Intraoperative electrophysiological recording

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3
Q

Radioactive tracers injected into bloodstream

Allow imaging of metabolic activity

A

PET

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4
Q

Records magnetic fields produced by electrical activity in brain
Excellent temporal resolution
More precise than EEG

A

Magnetoencephalogram (MEG)

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5
Q

Induce small electrical changes in brain to temporarily deactivate or stimulate an area
Limited localization
Unclear interpretation

A

Transcranial magnetic stimulation (TMS)

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