Table 2.
Functional connectivity results during real tVNS and sham tVNS (NAcL, left NAc; NAcR, right NAc).
| Cluster size | Brain regions | MNI
|
Z value | ||||
|---|---|---|---|---|---|---|---|
| X | Y | Z | |||||
| Slow-5 | Real tVNS | ||||||
| NAcL | 4133 | Bilateral NAc/putamen/caudate | −12 | 6 | −12 | 7.41 | |
| Bilateral OFC/MPFC/sgACC/rACC/dACC | −8 | 46 | −12 | 4.23 | |||
| Left insula | −26 | 14 | −18 | 4.17 | |||
| 327 | Bilateral dACC | 2 | 40 | 22 | 5.06 | ||
| 262 | Bilateral MPFC | 4 | 60 | 22 | 3.47 | ||
| 296 | Left cerebellum | −18 | −86 | −34 | 5.16 | ||
| 432 | Left angular gyrus | −56 | −72 | 30 | 4.21 | ||
| NAcR | 3672 | Bilateral NAc / putamen /caudate | 12 | 8 | −12 | 7.66 | |
| Bilateral OFC/MPFCsgACC | 6 | 24 | −10 | 4.55 | |||
| Sham tVNS | |||||||
| NAcL | 2488 | Bilateral NAc/putamen/caudate | −12 | 6 | −12 | 7.98 | |
| Bilateral OFC/MPFC/sgACC/rACC | 10 | 40 | −4 | 4.47 | |||
| NAcR | 5476 | Bilateral NAc/putamen/caudate | 14 | 8 | −10 | 7.62 | |
| Bilateral OFC/MPFC/sgACC/rACC/dACC | −8 | 44 | −20 | 4.97 | |||
| Slow-4 | Real tVNS | ||||||
| NAcL | 1580 | Bilateral NAc/putamen/caudate | −14 | 8 | −12 | 7.51 | |
| 295 | Bilateral OFC/MPFC/sgACC | −2 | 46 | −12 | 4.02 | ||
| NAcR | 3893 | Bilateral NAc/putamen/caudate | 12 | 10 | −12 | Inf | |
| 560 | Left OFC/MPFC/sgACC/rACC | −2 | 42 | −18 | 3.66 | ||
| 340 | Right superior temporal gyrus | 66 | −28 | 20 | 4.81 | ||
| 336 | Left insula | −24 | −8 | 2 | 4.51 | ||
| 272 | Left postcentral gyrus | −32 | −14 | 70 | 4.32 | ||
| Sham tVNS | |||||||
| NAcL | 833 | Left NAc/putamen/caudate | −14 | 8 | −12 | Inf | |
| 707 | Right NAc/putamen | 26 | 4 | −10 | 3.55 | ||
| 387 | Bilateral OFC/MPFC/rACC | −12 | 50 | 0 | 4.22 | ||
| NAcR | 2939 | Bilateral NAc/putamen/caudate | 12 | 10 | −10 | Inf | |
| Bilateral OFC/MPFC/sgACC | −4 | 34 | −14 | 5.35 | |||
| 606 | Bilateral OFC/MPFC/rACC | 2 | 62 | 12 | 4.67 | ||
| Typical Low | Real tVNS | ||||||
| NAcL | 4192 | Bilateral NAc/putamen/caudate | −12 | 8 | −10 | Inf | |
| Bilateral OFC/MPFC/sgACC/rACC | −14 | 64 | −2 | 4.06 | |||
| 341 | Bilateral cerebellum | −6 | −86 | −26 | 3.77 | ||
| NAcR | 8907 | Bilateral NAc/putamen/caudate | 12 | 10 | −12 | Inf | |
| Bilateral OFC/MPFC/sgACC/rACC | 0 | 30 | −8 | 4.33 | |||
| Bilateral amygdala/hippocampus/insula | −26 | −10 | −16 | 4.23 | |||
| 493 | Right inferior temporal gyrus | 56 | 6 | −10 | 4.80 | ||
| 339 | Left postcentral gyrus/precentral gyrus | −26 | −28 | 70 | 4.03 | ||
| Sham tVNS | |||||||
| NAcL | 4988 | Bilateral NAc/putamen/caudate | −14 | 8 | −12 | Inf | |
| Bilateral OFC/MPFC/sgACC/rACC | −4 | 38 | 6 | 4.10 | |||
| NAcR | 5956 | Bilateral NAc/putamen/caudate | 14 | 8 | −10 | Inf | |
| Bilateral OFC/MPFC/sgACC/rACC | −10 | 42 | 24 | 4.21 | |||