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Fig. 4: Statistical parametric maps for individual subjects. Activated voxels (p < 0.001 uncorrected) are rendered on each individual’s structural MRI. The axial section is tilted to run along the superior temporal plane as in Figure 3 and the contrasts and colour key are the same as in Figures 3a and 3d. Bilateral areas including medial Heschl’s gyrus (HG) are activated in the contrast between broadband noise and silence (green). After exclusive masking of voxels activated both by pitch chroma change and by pitch height change, the two pitch dimensions show distinct activation patterns in most individuals: pitch chroma change (but not pitch height change) activates mainly areas anterior to HG on the planum polare (red); pitch height change (but not pitch chroma change) activates mainly planum temporale (blue).
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