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(top) Group random-effects whole-brain analysis shows voxels responding more to chromatic than achromatic visual stimuli at p < 0.001 (uncorrected) threshold. (bottom) Group random-effects whole brain analysis shows voxels responding more to chromatic that achromatic conceptual knowledge at p < 0.01 (uncorrected) threshold. The 27 fROIs were identified within these active regions. Slices are oriented according to radiological convention.
