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Unformatted text preview: mesaurement of magnetic current invasive injection of radioactive tracers just a picture of the brain doesnt differentiae between white and grey matter directly measures # of action potentials per second good temporal measurement good temporal measurement poor temporal measurement (30 sec.) okay temporal (5 sec.) measures radiation absorbed poor spatial measurement poor spatial measurement good spatial measurement (10mm) great spatial measurement (1mm) denser tissue absorbs more - brighter blocked blocked or event related measurements pg. 50...
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- Spring '08