Table 2. PPI analysis: anatomical locations, peak MNI coordinates, T-values, and cluster sizes (number of voxels) of brain areas in which suspense (high vs. low) significantly modulated the functional connectivity to the seed region.
| anatomical location | hemisphere | X (mm) | Y (mm) | Z (mm) | T-value | cluster size |
|---|---|---|---|---|---|---|
| seed area: left IFG (MNI coordinate: -45 35 -8) | ||||||
| cerebellum | L | -6 | -76 | -14 | 6.12 | 832 |
| visual cortex | L | -9 | -82 | -5 | 5.26 | |
| visual cortex | R | 9 | -82 | -8 | 4.80 | |
| superior occipital gyrus | R | 24 | -85 | 31 | 4.54 | 423 |
| posterior ITG | L | -51 | -55 | -8 | 4.53 | 577 |
| precentral gyrus (PMC) | L | -36 | -19 | 64 | 4.14 | 525 |
| seed area: MFC (MNI coordinate: -6 44 31) | ||||||
| lateral occipital cortex | R | 30 | -79 | 1 | 5.68 | 741 |
| intra-parietal sulcus | L | -36 | -37 | 34 | 4.80 | 716 |
| postcentral gyrus | L | -30 | -43 | 67 | 4.64 | |
| lateral occipital cortex | L | -39 | -85 | 7 | 4.79 | 341 |
(p <.05, cluster-level FWE-corrected; indented regions are part of one continuous cluster)
IFG: inferior frontal gyrus; ITG: inferior temporal gyrus; MFC: medial frontal cortex; PMC: premotor cortex.