Linked Life Data

10893532

Source:http://linkedlifedata.com/resource/pubmed/id/10893532

Statements in which the resource exists.
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pubmed-article:10893532pubmed:abstractTextPerfusion and blood oxygenation level-dependent (BOLD) signals were simultaneously measured during a finger-tapping task at 3T using QUIPSS II with thin-slice TI(1) periodic saturation, a modified pulsed arterial spin labeling technique that provides quantitative measurement of perfusion. Perfusion and BOLD signal changes due to motor activation were obtained and correlated with the T(1) values estimated from echo-planar imaging (EPI)-based T(1) maps on a voxel-by-voxel basis. The peak perfusion signal occurs in voxels with a T(1) of brain parenchyma while the peak BOLD signal occurs in voxels with a T(1) characteristic of blood and cerebrospinal fluid. The locations of the peak signals of functional BOLD and perfusion only partially overlap on the order of 40%. Perfusion activation maps will likely represent the sites of neuronal activity better than do BOLD activation maps. Magn Reson Med 44:137-143, 2000.lld:pubmed
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pubmed-article:10893532pubmed:authorpubmed-author:HydeJ SJSlld:pubmed
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pubmed-article:10893532pubmed:authorpubmed-author:LuhW MWMlld:pubmed
pubmed-article:10893532pubmed:copyrightInfoCopyright 2000 Wiley-Liss, Inc.lld:pubmed
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pubmed-article:10893532pubmed:pagination137-43lld:pubmed
pubmed-article:10893532pubmed:dateRevised2007-11-14lld:pubmed
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pubmed-article:10893532pubmed:articleTitleComparison of simultaneously measured perfusion and BOLD signal increases during brain activation with T(1)-based tissue identification.lld:pubmed
pubmed-article:10893532pubmed:affiliationBiophysics Research Institute, Medical College of Wisconsin, Milwaukee, Wisconsin, USA. wmluh@ucsd.edulld:pubmed
pubmed-article:10893532pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:10893532pubmed:publicationTypeResearch Support, U.S. Gov't, P.H.S.lld:pubmed
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