TABLE 3.
Montreal Neurological Institute peak coordinates of clusters showing significant psychophysiological interactions for the two task conditions relative to control (p < 0.05 FWE at the cluster level).
| Cluster location | z-score |
Peak coordinates |
K-size | ||
| X | Y | Z | |||
| Practical help > control condition | |||||
| Medial frontal gyrus | –4.56 | –6 | 15 | 51 | 475 |
| Inferior frontal gyrus | –4.51 | –54 | 36 | 0 | 358 |
| Middle temporal gyrus | –4.47 | –60 | –33 | –12 | 122 |
| Middle temporal gyrus | –4.39 | 63 | –42 | –9 | 134 |
| Postcentral gyrus | –4.13 | –33 | –27 | –48 | 252 |
| Inferior parietal lobule | –3.84 | 54 | –60 | 27 | 86 |
| Effort appreciation > control condition | |||||
| Lingual gyrus | 4.42 | 3 | –87 | –9 | 267 |
| Middle frontal gyrus | –4.69 | 45 | 36 | 27 | 565 |
| Anterior cingulate | –4.04 | 3 | 39 | 24 | 260 |
The negative Z-score indicates a reduction of the functional connectivity during the task condition.