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Estimated B (left) and DV (right) values for 100 noise realizations for the putamen. True values for B and DV were −40.0 and 1.4, respectively. The results are shown after 1000 iterations for the putamen. Clear bias is observed for α values below 1 (i.e. when the lower bound a for B is smaller in magnitude compared to the true B value), while the noise is at the same time suppressed.
