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Significant activation for (A) simple words minus the MuR baseline, (B) words with IRP endings minus simple words, and (C) words with embedded stems minus simple words. Threshold at P < 0.001 voxel level and P < 0.05 cluster level corrected for multiple comparisons is shown. (D) Signal plots in 5-mm-radius spheres around the peaks of the L and R frontal clusters from C.
