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Water-suppression imaging (WSI) for identification of spurious echo artifact regions. Data shown for datasets in ACC (a) and OCC (b). The MRS voxel position is the white box overlaid onto the anatomical T1-weighted scan, B0-fieldmap, WSI, with and without water suppression (non-WSI). The residual WSI (rWSI) is formed by normalizing the WSI to non-WSI and masking. Note the high similarity between rWSI and B0-fieldmap.
