Table 2.
Significant activations identified by whole-brain analysis for the two-person choice task
| Contrast | Brain region (peak activation) | MNI coordinates |
Peak Z | Cluster size (no. voxels) | ||
|---|---|---|---|---|---|---|
| x | y | z | ||||
| βOP_SELF > 0 | Occipital cortex (left) | −27 | −73 | 37 | 5.19 | 2 (2720a) |
| Supplementary motor area (right) | 3 | 17 | 52 | 5.13 | 26 (2720a) | |
| Occipital cortex (right) | 15 | −103 | 4 | 4.94 | 2 (738) | |
| Dorsomedial prefrontal cortex (left) | −6 | 32 | 37 | 4.82 | 1 (2720a) | |
| βOP_OTHER > 0 | — | |||||
| βOP_EQUAL > 0 | — | |||||
| βOU_SELF > 0 | Occipital cortex (left) | −27 | −103 | 1 | 5.35 | 20 (289) |
| Occipital cortex (right) | 27 | −103 | 4 | 5.25 | 34 (462) | |
| Posterior orbitofrontal cortex (right) | 24 | 17 | −20 | 5.10 | 2 (568b) | |
| VS (left) | −12 | 5 | −14 | 4.93 | 6 (568b) | |
| VS (right) | 9 | 5 | −11 | 4.91 | 3 (568b) | |
| Rostral anterior cingulate cortex (left) | −3 | 41 | 7 | 4.89 | 1 (549) | |
| Central orbitofrontal cortex (left) | −36 | 35 | −11 | 4.84 | 1 (375) | |
| βOU_OTHER > 0 | — | |||||
| βOU_EQUAL > 0 | — | |||||
Results are based on a second-level random-effects analysis. Activations were identified by a height threshold of p < 0.05, FWE-corrected across the whole brain. Cluster sizes in the parentheses indicate the numbers of voxels when a height threshold of p < 0.001, uncorrected, was applied.
aThese regions belonged to a single cluster.
bThese regions belonged to a single cluster.
No activation was found in the inversed contrasts.