Table 4.
Regions showing significant PPI effects for within group contrasts for at the whole group level and for each pain responder group.
| PPI seed | Brain regions | Lat | MNI Coordinates | t-score | K | p(FDR) | ||
|---|---|---|---|---|---|---|---|---|
| x | y | z | ||||||
| S/L Pain >No-Pain | ||||||||
| Left SI/SII | Angular gyrus (IPL – PGp) | L | −39 | −75 | 42 | 4.77 | 58 | 0.050 |
| Right SI/SII | Angular gyrus (IPL – PGa) | L | −36 | −75 | 57 | 4.31 | 119 | 0.002 |
| Angular gyrus (IPL – PGp) | L | −45 | −72 | 33 | 3.93 | |||
| Left AI | Retrosplenial cortex | R | 9 | −60 | 42 | 5.02 | 62 | 0.028 |
| Left AI | Temporo-parietal junction | R | 36 | −51 | 36 | 5.18 | 62 | 0.028 |
| Intraparietal sulcus | R | 42 | −51 | 45 | 4.06 | |||
| Right AI | Temporo-parietal junction | R | 42 | −54 | 45 | 4.36 | 66 | 0.024 |
| dACC/SMA | Angular gyrus (IPL - PGp) | L | −39 | −75 | 42 | 4.48 | 218 | <0.001 |
| dACC/SMA | Middle frontal gyrus | L | −39 | 21 | 48 | 4.52 | 106 | 0.001 |
| Anterior prefrontal cortex | L | −30 | 9 | 50 | 4.25 | |||
| DLPFC | L | −48 | 18 | 39 | 4.25 | |||
| dACC/SMA | DLPFC | R | 51 | 30 | 21 | 5.53 | 55 | 0.021 |
| A/G Pain > No-pain | ||||||||
| Left SI/SII | DMPFC | L | −9 | 54 | 15 | 4.85 | 78 | 0.044 |
| Medial frontopolar cortex | L | −12 | 51 | 5 | 4.14 | |||
| Left AI | DLPFC | L | −42 | 48 | −3 | 4.64 | 91 | 0.003 |
| S/L (Pain − No-Pain) > Control (Pain − No-Pain) | ||||||||
| ACC | DLPFC | R | 51 | 30 | 21 | 5.32 | 44 | 0.021 |
| Left AI | Temporo-parietal junction | R | 42 | −51 | 45 | 4.89 | 91 | 0.003 |
| Intraparietal sulcus | R | 35 | −51 | 35 | 4.81 | |||
| Right AI | Temporo-parietal junction | R | 42 | −51 | 48 | 4.65 | 60 | 0.034 |
| Intraparietal sulcus | R | 42 | −45 | 39 | 3.50 | |||
Effects are displayed for each seed region's PPI analyses and the direction of the effects are displayed. Only contrasts showing significant effects are displayed.