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. 2009 Oct 12;106(42):17951–17956. doi: 10.1073/pnas.0905191106

Fig. 2.

Fig. 2.

Genotype-related differences in fMRI responses to positive and negative PEs. (A) Greater ventral striatal fMRI responses to positive PEs in Val than in Met homozygotes in the ventral striatum (coordinates of peak voxel: x = −18, y = 6, z = −10). (B) Averaged time courses (±SE) of parameter estimates for voxels within the cluster shown in A for Val and Met homozygotes. (C) Greater fMRI responses to negative PEs in Val than in Met homozygotes in the ventral striatum (x = −16, y = 4, z = −12). (D) Averaged time courses (±SE) of parameter estimates for voxels within the cluster shown in C for Val and Met homozygotes.