Archive:Single-Photon Emission Computed Tomography: Difference between revisions
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[[Wikipedia:Single-Photon Emission Computed Tomography|Single-Photon Emission Computed Tomography]] [[Image:64 slice scanner.JPG|thumb|300px|right]] (SPECT) and [[Wikipedia:Positron Emission Tomography|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. | |||
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Latest revision as of 21:26, 7 June 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.