Full-brain coverage and high-resolution imaging capabilities of passband b-SSFP fMRI at 3T.

Full-brain coverage and high-resolution imaging capabilities of passband b-SSFP fMRI at 3T. Research Abstract Details 

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Full-brain coverage and high-resolution imaging capabilities of passband b-SSFP fMRI at 3T. Abstract Text:

Passband balanced-steady-state free precession (b-SSFP) fMRI is a recently developed method that utilizes the passband (flat portion) of the b-SSFP off-resonance response to measure MR signal changes elicited by changes in tissue oxygenation following increases in neuronal activity. Rapid refocusing and short readout durations of b-SSFP, combined with the relatively large flat portion of the b-SSFP off-resonance spectrum allows distortion-free full-brain coverage with only two acquisitions. This allows for high-resolution functional imaging, without the spatial distortion frequently encountered in conventional high-resolution functional images. Finally, the 3D imaging compatibility of the b-SSFP acquisitions permits isotropic-voxel-size high-resolution acquisitions. In this study we address some of the major technical issues involved in obtaining passband b-SSFP-based functional brain images with practical imaging parameters and demonstrate the advantages through breath-holding and visual field mapping experiments. Magn Reson Med, 2008. (c) 2008 Wiley-Liss, Inc.

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Full-brain coverage and high-resolution imaging capabilities of passband b-SSFP fMRI at 3T. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Magnetic resonance in medicine : official journal

VOLUME: 59

Page Numbers: 1099-110

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ISSN: 0740-3194

DAY: 28

MONTH: May

YEAR: 2008

Full-brain coverage and high-resolution imaging capabilities of passband b-SSFP fMRI at 3T. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Full-brain coverage and high-resolution imaging capabilities of passband b-SSFP fMRI at 3T.

AFFILIATION: Magnetic Resonance Systems Research Laboratory, Department of Electrical Engineering, Stanford University, Stanford, California.

Country: United States

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MEDLINETA: Magn Reson Med

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