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  T2-weighted BOLD fMRI at 9.4 T using a S2-SSFP-EPI sequence

Ehses, P., Budde, J., Shajan, G., & Scheffler, K. (2013). T2-weighted BOLD fMRI at 9.4 T using a S2-SSFP-EPI sequence. In 21st Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013).

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Ehses, P1, 2, Author              
Budde, J1, 2, Author              
Shajan, G1, 2, Author              
Scheffler, K1, 2, Author              
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1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: It has been hypothesized that T2-weighted BOLD fMRI at ultra-high field shows higher spatial specificity than T2*-weighted BOLD, since the main signal contribution is expected to come from the extravascular spins of the microvasculature. Unfortunately, the number of slices that can be acquired in multi-slice SE-EPI is limited at ultra-high field due to SAR constraints. T2-weighted steady-state sequences, such as S2-SSFP, have been previously used as an alternative to spin-echo based BOLD fMRI. In this work, we present a 3D S2-SSFP sequence that is accelerated using an EPI readout and show first results from finger tapping experiments at 9.4 T.

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 Dates: 2013-04
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: EhsesBSS2013
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Title: 21st Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013)
Place of Event: Salt Lake City, UT, USA
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Title: 21st Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 1090 Start / End Page: - Identifier: -