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FIG 5. Amplitude difference (mean voxel intensity) between baseline and postbaseline sessions averaged within ROI and across subjects. Each plot shows activity changes for each task in an ROI. Stylized images on the left show the regions encompassed by the ROI for two axial sections. In general, concussed players (black) showed greater increases in amplitude compared with control subjects (gray); this was particularly evident in the bilateral lateral frontal and parietal regions. Biman indicates bimanual; DSpan, digit span; Subt, subtraction.
