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  Comparison of two alternative sequences for human in-vivo brain MR Current Density Imaging (MRCDI)

Göksu, C., Hanson, L., Siebner, H., Ehses, P., Scheffler, K., & Thielscher, A. (2018). Comparison of two alternative sequences for human in-vivo brain MR Current Density Imaging (MRCDI). Poster presented at Joint Annual Meeting ISMRM-ESMRMB 2018, Paris, France.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-81F5-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-936F-D
Genre: Poster

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 Creators:
Göksu, C, Author              
Hanson, LG, Author
Siebner, HR, Author
Ehses, P1, 2, Author              
Scheffler, K1, 2, Author              
Thielscher, A, Author              
Affiliations:
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: MRCDI is a novel technique, utilizing different phase-sensitive MR methods for non-invasive measurements of weak currents in the human body, which is important in several neuroscience applications. Here, we compare the in-vivo performance of two different MR methods, multi-echo spin echo (MESE) and steady-state free precession free induction decay (SSFP-FID), with single- vs. multi-gradient-echo readouts. We demonstrate that multi-gradient-echo readouts improve both methods. We validate the linear dependence of the measured current-induced magnetic field on the injected current strength for both methods, and propose the more efficient SSFP-FID method as being well suited for highly sensitive single-slice human in-vivo MRCDI.

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 Dates: 2018-06
 Publication Status: Published in print
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Title: Joint Annual Meeting ISMRM-ESMRMB 2018
Place of Event: Paris, France
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Title: Joint Annual Meeting ISMRM-ESMRMB 2018
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 5607 Start / End Page: - Identifier: -