Table 3.
Brain regions and local maxima of clusters, recruited by experts during action observation of successful trials compared to unsuccessful trials.
| Difficulty level | Brain region | k | X | Y | Z | T |
|---|---|---|---|---|---|---|
| Easy | Precentral gyrus (BA 6) | 30 | 36 | -26 | 68 | 9.8 |
| Middle frontal gyrus (BA 8) | 5 | -28 | 36 | 44 | 5.8 | |
| Supplementary motor area (BA 6) | 13 | 10 | 2 | 76 | 4.2 | |
| Medium | Cerebellum | 30 | 14 | -50 | -40 | 8.5 |
| Cerebellum | 50 | 38 | -56 | -38 | 8.2 | |
| Superior temporal gyrus (BA 42) | 50 | 60 | -38 | 18 | 7.4 | |
| Precentral gyrus (BA 6) | 7 | 62 | 4 | 30 | 7.0 | |
| Middle temporal gyrus (BA 21) | 14 | -50 | -44 | 6 | 5.5 | |
| Hard | Middle temporal gyrus (BA 21) | 55 | -52 | 4 | -32 | 9.3 |
| Superior frontal cortex (BA 10) | 8 | -10 | 58 | 8 | 7.6 | |
| Temporal pole (BA 38) | 55 | -48 | 14 | -28 | 6.2 | |
| Middle temporal gyrus (BA 21) | 23 | -48 | -40 | 4 | 5.4 | |
| Middle temporal gyrus (BA 21) | 10 | -44 | -6 | -14 | 5.0 |
In the analyzes a voxel-wise threshold of 0.005 uncorrected was used in combination with a cluster threshold of minimum five voxels.