Correction of stray magnetic fields caused by cable currents is essential for 
human in-vivo brain magnetic resonance current density imaging (MRCDI)

Göksu, C; Scheffler, K; Siebner, HR; Hanson, LG; Thielscher, A

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Meeting Abstract

Correction of stray magnetic fields caused by cable currents is essential for human in-vivo brain magnetic resonance current density imaging (MRCDI)

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Scheffler, K
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Göksu, C., Scheffler, K., Siebner, H., Hanson, L., & Thielscher, A. (2019). Correction of stray magnetic fields caused by cable currents is essential for human in-vivo brain magnetic resonance current density imaging (MRCDI). In 2nd International Workshop on MR-based Electrical Properties Mapping (IMEP 2019).

Cite as: https://hdl.handle.net/21.11116/0000-0003-222A-8

Abstract

Accurate mapping of current flows in the human brain is important for many neuroscientific applications. MRCDI is an emerging method, which combines MRI with externally applied alternating currents to derive current flow distributions based on measurements of the current-induced magnetic fields. However, inaccurate and inconsistent measurements occur unless the stray magnetic fields ca used by the currents flowing in the feeding cables are corrected [1]. Here, we explore the influences of the stray magnetic fields due to the cable-currents in realistic experimental MRCDI set-ups.