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  Mapping of weak current-induced magnetic fields in a 3D volume of the human brain at high resolution: 2D vs. Simultaneous multi slice

Göksu, C., Scheffler, K., Gregersen, F., Eroğlu, H., Heule, R., Siebner, H., et al. (2022). Mapping of weak current-induced magnetic fields in a 3D volume of the human brain at high resolution: 2D vs. Simultaneous multi slice. Poster presented at Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022), London, UK.

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Göksu, C1, Autor           
Scheffler, K1, Autor           
Gregersen, F, Autor
Eroğlu, HH, Autor
Heule, R2, Autor           
Siebner, HR, Autor
Hanson, LG, Autor
Thielscher, A, Autor           
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              
2Institutional Guests, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_3505519              

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 Zusammenfassung: Exact knowledge of current distributions induced by transcranial electrical stimulation (TES) in the brain is important for effective clinical use of TES. MRCDI uses MRI to measure the TES-induced magnetic fields for estimating the underlying current flow distributions. The estimation methods can benefit from highly sensitive volume MRCDI measurements at a high spatial resolution. Here, we advanced our 2D spoiled gradient-echo-based MRCDI method for a sparse volume acquisition by using simultaneous-multi-slice (SMS) acquisition. Our SMS strategy demonstrated 25% improvement in noise floors against 2D. We test the performance of our methods by phantom and human in-vivo experiments using cable-loop currents.

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 Datum: 2022-05
 Publikationsstatus: Online veröffentlicht
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Titel: Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022)
Veranstaltungsort: London, UK
Start-/Enddatum: 2022-05-07 - 2022-05-12

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Titel: Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022)
Genre der Quelle: Konferenzband
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Seiten: - Band / Heft: - Artikelnummer: 2918 Start- / Endseite: - Identifikator: -