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  Human fMRI at 9.4 T: Preliminary Results

Budde, J., Mühlbauer, F., Shajan, G., Zaitsev, M., & Pohmann, R. (2011). Human fMRI at 9.4 T: Preliminary Results. Poster presented at 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011), Montréal, Canada.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-BC02-D Version Permalink: http://hdl.handle.net/21.11116/0000-0002-4C38-B
Genre: Poster

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ISMRM-2011-1636.pdf (Abstract), 714KB
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 Creators:
Budde, J1, 2, Author              
Mühlbauer, F1, 2, Author              
Shajan, G1, 2, Author              
Zaitsev, M, Author
Pohmann, R1, 2, Author              
Affiliations:
1Former Department MRZ, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528700              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: With increasing field, the MR signal-to-noise ratio is expected to grow linearly, while a BOLD increase of more than linear is expected [1]. In addition, a higher emphasis on signal from microvasculature is predicted, especially for SE-EPI [2,3], while GE - EPI remains more specific to the macrovasculature. Here, a field strength of 9.4 T is used for the first time to measure BOLD activation during finger tapping of a human subject. To examine the signal contributions of tissue and veins, the functional maps were overlaid on T2*-weighted GRE images revealing venous vasculature at high detail. Co-registration of both image modalities demonstrates where the functional signal coincides with venous structures.

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 Dates: 2011-05
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: BuddeMSZP2011
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Title: 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011)
Place of Event: Montréal, Canada
Start-/End Date: 2011-05-07 - 2011-05-13

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Title: 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1636 Identifier: -