Table 2.
Results of random effects analysis for brain responses when receiving touch by a hand and by a rubber hand, respectively (p < 0.05, FWE corrected, L = left hemisphere, R = right hemisphere; in brackets: uncorrected results).
| Contrast | Brain region | Peak MNI location (x, y, z) | Peak z-value | Number of voxels |
|---|---|---|---|---|
| Touch of real hand versus no touch | L SI/ | − 26 − 38 64 | 6.99 | 6125 |
| SII/parietal/central operculum | − 54 − 28 20 | 7.31 | ||
| R middle temporal gyrus | 58 − 62 6 | 6.80 | 1795 | |
| R SII | 62 − 16 20 | 6.78 | ||
| R posterior insula | 42 − 10 4 | 6.09 | 849 | |
| R anterior insula | 36 24 0 | 5.81 | ||
| L Thalamus | − 10 − 16 2 | 5.96 | 348 | |
| R cerebellum | 28 − 52 − 28 | 5.90 | 334 | |
| L supplementary motor cortex | − 6 − 6 52 | 5.36 | 437 | |
| R SI | 40 − 30 46 | 5.46 | 106 | |
| R precentral gyrus | 38 − 2 54 | 5.38 | 35 | |
| Middle cingulate gyrus | − 8 − 20 44 | 5.62 | 44 | |
| Touch of rubber hand versus no touch | L SI/SII/operculum/insula | − 40 − 22 20 | 7.09 | 5258 |
| R SI/SII | 64 − 14 22 | 7.07 | 2127 | |
| R middle temporal gyrus | 58 − 64 4 | 6.22 | 203 | |
| R anterior/posterior insula | 42 0 − 10 | 6.22 | 424 | |
| L precentral gyrus | − 28 − 12 62 | 6.20 | 500 | |
| L Thalamus | − 14 − 24 4 | 6.17 | 336 | |
| R cerebellum | 28 − 56 − 26 | 6.05 | 285 | |
| L middle temporal gyrus | − 54 − 64 10 | 5.89 | 271 | |
| R precentral gyrus | 36 − 2 52 | 5.15 | 20 | |
| L supplementary motor cortex | − 8 6 52 | 5.14 | 147 | |
| R amygdala | 24 − 4 − 20 | 5.12 | 7 | |
| Touch of real hand minus no touch vs. rubber hand minus no touch | (R middle /inf. frontal gyrus) | 32 22 20 | 3.80 | 32 |
| (L operculum/anterior insula) | − 40 − 10 8 | 3.52 | 16 | |
| (L thalamus) | − 20 − 8 12 | 3.44 | 13 | |
| (R postcentral gyrus) | 34 − 18 30 | 3.31 | 5 | |
| Touch of rubber hand minus no touch vs. real hand minus no touch | (R/L precentral gyrus) | 2 − 28 68 | 4.35 | 499 |
| (L SI/supramarginal gyrus) | − 58 − 28 46 | 4.18 | 148 | |
| (L occiptial cortex) | − 50 − 70 − 8 | 3.77 | 137 | |
| (R SI) | 60 − 16 42 | 3.81 | 65 | |
| (L ant./post insula) | − 36 − 8 14 | 3.22 | 7 | |
| (L postcentral gyrus) | − 56 0 30 | 3.16 | 5 |