Table 3.
Early extinction (CS+ > CS−) > late extinction (CS+ > CS−): significant activations revealed by whole brain (WB) and regions of interest (ROI) analysis.
| Group | Brain structure | x | y | z | Z | Cluster size | P |
|---|---|---|---|---|---|---|---|
| Delay | Precentral gyrus L (WB) | −22 | −14 | 62 | 4.10 | 59 | <0.001 |
| Ventral ACC L (WB) | −16 | 0 | 44 | 3.65 | 14 | <0.001 | |
| Heschl L (WB) | −32 | −28 | 16 | 3.29 | 5 | 0.001 | |
| Insula L (ROI) | −38 | −20 | 14 | 3.05 | 25 | 0.001 | |
| Trace | Putamen L (WB) | −30 | −14 | 2 | 3.74 | 13 | <0.001 |
| Ventral ACC L (WB) | −10 | 14 | 30 | 3.61 | 10 | <0.001 | |
| Parahippocampus R (WB) | 32 | −34 | −12 | 3.51 | 11 | <0.001 | |
| Hippocampus R (ROI) | 30 | −32 | −8 | 3.87 | 11 | <0.001 | |
| Putamen L (ROI) | −30 | −14 | 2 | 3.74 | 23 | <0.001 |
α < 0.001 uncorrected for whole brain analysis (WB) and α < 0.005, uncorrected ROI analyses, with a minimum cluster size of k = 5 (WB) or k = 10 (ROI); L, left; R, right hemisphere. The cluster with the largest number of significant voxels within each region is reported. Coordinates x, y, and z of the peak voxels are given in Montreal Neurological Institute space.