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. 2016 May 4;7:11546. doi: 10.1038/ncomms11546

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(a) Seed regions for the PPI connectivity analysis were selected as clusters of activation from the category cross-decoding (PC) and stimulus identity decoding (OFC) analysis, thresholded at P<0.001 uncorrected. (b) Connectivity between the OFC seed region and vmPFC was enhanced after learning. (c) PPI parameters at the peak voxel in the OFC-coupled vmPFC cluster corresponding to each CS and session. Post hoc three-way ANOVA revealed a session-by-reward interaction in this region. (d) OFC/VMPFC connectivity session-by-reward interaction effect predicted session-by-reward pleasantness rating effect. (e) Connectivity between the PPC seed region and vmPFC was enhanced after learning. (f) PPI parameters at the peak voxel in the PC-coupled vmPFC cluster corresponding to each CS and session. (g) PC/vmPFC connectivity parameter change for CS⁺ odours predicted similarity rating change for CS⁺ odours. Error bars represent within-subject s.e.m. **P<0.05, interaction in a three-way repeated measures ANOVA. Brain activations in b and e displayed at P<0.001 uncorrected (red) and P<0.05 small-volume corrected for family-wise error (yellow). Coordinates in b and d refer to voxel of peak connectivity effect.