Requirements for Optimal B0 Shimming for a Spectroscopy Voxel in the Frontal 
Cortex at Ultra-High Fields

Fillmer, A; Henning, A

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Requirements for Optimal B0 Shimming for a Spectroscopy Voxel in the Frontal Cortex at Ultra-High Fields

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Henning, A
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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http://www.ismrm.org/15/program_files/WedTP03.htm
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Citation

Fillmer, A., & Henning, A. (2015). Requirements for Optimal B0 Shimming for a Spectroscopy Voxel in the Frontal Cortex at Ultra-High Fields. Poster presented at 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-45F1-4

Abstract

The transition of Magnetic Resonance Spectroscopy to ultra-high fields promises major advantages with respect to SNR and spectral resolution. In order to gain meaningful results, excellent B0 shimming is of outermost importance. Naturally, the amplitudes of the shim fields are limited by hardware specifications. However, an optimal B0 inhomogeneity compensation might not be possible within these hardware constraints, especially for regions with large inhomogeneities, such as the frontal cortex. This work investigates the hardware requirements for optimal B0 inhomogeneity compensation and the effect of shim hardware constraints on B0 shimming for a spectroscopy voxel in the frontal cortex.