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  Robust measurements of current-induced magnetic fields in the human brain by EPI

Gregersen, F., Göksu, C., Eroğlu, H., Zuo, Z., Thielscher, A., & Hanson, L. (2022). Robust measurements of current-induced magnetic fields in the human brain by EPI. Poster presented at Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022), London, UK.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-000A-5C44-3 Versions-Permalink: https://hdl.handle.net/21.11116/0000-000A-5C45-2
Genre: Poster

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externe Referenz:
https://submissions.mirasmart.com/ISMRM2022/Itinerary/ConferenceMatrixEventDetail.aspx?ses=D-64 (Zusammenfassung)
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 Urheber:
Gregersen, F, Autor
Göksu, C1, Autor           
Eroğlu, H, Autor
Zuo, Z, Autor
Thielscher, A, Autor           
Hanson, L, Autor
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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Schlagwörter: -
 Zusammenfassung: Magnetic resonance current density imaging (MRCDI) can measure the magnetic fields created in the human brain from currents injected via surface electrodes. Previous methods have demonstrated high sensitivity sufficient for low current strengths (~1 mA). However, they have also proven susceptible to physiological noise. Here we increase the temporal resolution of the method and thereby the robustness to physiological noise by using echo-planar imaging (EPI) for the acquisition. We show that the method produces reliable magnetic field measurements with an average sensitivity of 52 pT for a 2 minutes scan with 3 mm isotropic resolution.

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 Datum: 2022-05
 Publikationsstatus: Online veröffentlicht
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Veranstaltung

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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: 2916 Start- / Endseite: - Identifikator: -