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. Author manuscript; available in PMC: 2012 Jan 15.
Published in final edited form as: Neuroimage. 2010 Sep 17;54(2):1506–1517. doi: 10.1016/j.neuroimage.2010.09.027

Table 4.

Mediation Analysis: Error-Unexpectedness Regions Mediated by Error-Likelihood ROI

Effect (Comparison) BA Peak MNI coordinates
 Peak Z-score Peak p-value Cluster size (voxels)
 Brain region(s) x y z
Error-likelihood (Contrast: Control > 0)
 R. ACC 32 12 40 8 3.53 < .001 38
Error-unexpectedness mediated by error-likelihood (Main effect: All > 0)
 B. MFG 9 6 44 34 3.41 < .001 93
 L. ACC 32 −10 46 0 3.23 .001 14
 L. MFG 9 −10 56 28 2.95 .002 4
 L. MFG 9 −12 56 22 2.76 .003 4

Note. Clusters are significant within a predefined medial prefrontal search volume at p < .005, uncorrected, with a cluster size threshold of 3.

BA = Brodmann area; MNI = Montreal Neurological Institute; B = bilateral; R = right; L = left; ACC = anterior cingulate cortex; MFG = medial frontal gyrus.