How accurate is magnetic resonance imaging of brain function?

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dc.contributor.authorUgurbil, Kko
dc.contributor.authorToth, Lko
dc.contributor.authorKim, Dae-Shikko
dc.date.accessioned2013-03-04T03:16:52Z-
dc.date.available2013-03-04T03:16:52Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2003-02-
dc.identifier.citationTRENDS IN NEUROSCIENCES, v.26, no.2, pp.108 - 114-
dc.identifier.issn0166-2236-
dc.identifier.urihttp://hdl.handle.net/10203/81693-
dc.description.abstractSince it was introduced a decade ago, functional magnetic resonance imaging (fMRI) has come to dominate research on the human brain. However, fMRI maps are based on secondary metabolic and hemodynamic events that follow neuronal activity, and not on the electrical activity itself. Therefore, the representation provided by fMRI cannot be assumed a priori to be exact. The accuracy of these maps depends on the spatial extent of the metabolic and hemodynamic changes induced by neuronal activity, and the role played by the vasculature in converting these changes to signals detected by magnetic resonance imaging. Significant progress has been made in both areas, suggesting that it is possible to obtain both spatially accurate and quantitative data on brain function from magnetic resonance methodologies.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE LONDON-
dc.subjectCEREBRAL BLOOD-FLOW-
dc.subjectMONKEY INFEROTEMPORAL CORTEX-
dc.subjectRAT CEREBELLAR CORTEX-
dc.subjectSENSORY STIMULATION-
dc.subjectSYNAPTIC ACTIVITY-
dc.subjectSIGNAL CHANGES-
dc.subjectVISUAL-CORTEX-
dc.subjectOCULAR DOMINANCE-
dc.subjectHIGH-FIELD-
dc.subjectNEGATIVE RESPONSE-
dc.titleHow accurate is magnetic resonance imaging of brain function?-
dc.typeArticle-
dc.identifier.wosid000180681600011-
dc.identifier.scopusid2-s2.0-0037303913-
dc.type.rimsART-
dc.citation.volume26-
dc.citation.issue2-
dc.citation.beginningpage108-
dc.citation.endingpage114-
dc.citation.publicationnameTRENDS IN NEUROSCIENCES-
dc.identifier.doi10.1016/S0166-2236(02)00039-5-
dc.contributor.localauthorKim, Dae-Shik-
dc.contributor.nonIdAuthorUgurbil, K-
dc.contributor.nonIdAuthorToth, L-
dc.type.journalArticleReview-
dc.subject.keywordPlusCEREBRAL BLOOD-FLOW-
dc.subject.keywordPlusMONKEY INFEROTEMPORAL CORTEX-
dc.subject.keywordPlusRAT CEREBELLAR CORTEX-
dc.subject.keywordPlusSENSORY STIMULATION-
dc.subject.keywordPlusSYNAPTIC ACTIVITY-
dc.subject.keywordPlusSIGNAL CHANGES-
dc.subject.keywordPlusVISUAL-CORTEX-
dc.subject.keywordPlusOCULAR DOMINANCE-
dc.subject.keywordPlusHIGH-FIELD-
dc.subject.keywordPlusNEGATIVE RESPONSE-
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