Archive:Single-Photon Emission Computed Tomography: Difference between revisions
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Revision as of 06:49, 16 May 2009
Single-Photon Emission Computed Tomography
(SPECT) and Positron Emission Tomography (PET) use radioactive tracers which are taken up where blood flow is greater. SPECT and PET therefore provide images of blood flow (again, considered by most scientists as a sign of greater brain activity) in different parts of the brain. However, they do not provide as much anatomical detail as MRI or CT scans.