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Spatial distribution of the centroid error (CE). CE represents the SGPLE in a group effect. (A) Distribution of mean CE (averaged over 100 iterations) across the sourcemodel grid point locations, for different group sizes. (B) Spatial distribution of mean CE (averaged over 100 iterations) for group size of 20 subjects. (C) Spatial distribution of CE difference (p < 0.001, Wilcoxon signed-rank test, n = 100 iterations) between first rank pseudo MRI and averaged rank pseudo MRI.
