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  3D Radial GRE-EPI with Up to 8-Fold Acceleration for Functional Imaging at 9.4T

Ehses, P., Shajan, G., & Scheffler, K. (2014). 3D Radial GRE-EPI with Up to 8-Fold Acceleration for Functional Imaging at 9.4T. Poster presented at Joint Annual Meeting ISMRM-ESMRMB 2014, Milano, Italy.

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Ehses, P1, 2, Author              
Shajan, Gunamony1, 2, Author              
Scheffler, Klaus1, 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: Increasing acquisition speed is beneficial in fMRI since it increases statistical power and allows the separation of physiological noise from the time series. An effective means to achieve this speed is to combine EPI with parallel imaging. 3D EPI allows very high parallel imaging factors since acceleration can be performed in both phase-encoding directions. Non-Cartesian parallel imaging can potentially allow even higher acceleration by exploiting coil sensitivities in all three dimensions. To this end, a 3D radial EPI sequence was developed and first results with up to 8-fold radial GRAPPA acceleration are presented from finger tapping experiments at 9.4T.

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 Dates: 2014-05
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: EhsesSS2014
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Title: Joint Annual Meeting ISMRM-ESMRMB 2014
Place of Event: Milano, Italy
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Title: Joint Annual Meeting ISMRM-ESMRMB 2014
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 2992 Start / End Page: - Identifier: -