Abstract #1274

An optimized multi-coil shim setup matching inhomogeneity distribution in the human brain; positive and negative aspects

Ali Aghaeifar¹, Jiazheng Zhou¹, Feng Jia², Maxim Zaitsev², and Klaus Scheffler¹

¹Max Planck Institute for Biological Cybernetics, Tuebingen, Germany, ²Dept. of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany

Multi-coil shim setup is a popular choice for B₀ shimming. In contrast to conventional regular arrangement of the shim coils, one can effectively position the shim coil to match inhomogeneity distribution in the human brain. In this work, a comparison between regular and optimized arrangement of the local coils in a multi-coil shim setup is performed and the pros and cons of each design are evaluated.

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