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The results of 100 replications of the first simulation. (A) The portion of times the standard GLM/OLS approach gave significant results in each voxel. (B) The same results for our hierarchical model. Clearly the hierarchical model is able to effectively separate signal from noise in a more consistent manner than the GLM/OLS. (C) The portion of times the estimated HRF deviated from the canonical form using our model.
