Table I.
Parametric fMRI analysis
Region | Side | X | Y | Z | BA | t‐score | P‐value (corr.) | Size (mm3) |
---|---|---|---|---|---|---|---|---|
(a) Skin blood flow—Pain experience (contrasted with warmth experience) | ||||||||
Positive correlation | ||||||||
S2 | Contra | 56 | −21 | 18 | 40 | 6.442 | 0.000001 | 7,796 |
AIC | Contra | 44 | 12 | −1 | 13 | 3.758 | 0.000175 | 4,616 |
PIC | Contra | 42 | −2 | 0 | 13 | 3.355 | 0.000805 | 1,801 |
ACC | Ipsi | −12 | 32 | 22 | 32 | 6.062 | 0.000001 | 8,293 |
ACC | Contra | 5 | 30 | 7 | 24 | 3.207 | 0.000001 | 441 |
DLPFC | Ipsi | −29 | 43 | 30 | 9 | 5.476 | 0.000001 | 6,671 |
DLPFC | Contra | 22 | 44 | 43 | 8 | 6.149 | 0.000001 | 10,709 |
MPFC | Ipsi | −13 | 47 | 21 | 9 | 5.483 | 0.000001 | 7,806 |
SMA | Contra | 3 | −15 | 53 | 6 | 5.488 | 0.000001 | 2,451 |
PMC | Ipsi | −30 | 4 | 59 | 6 | 7.279 | 0,000001 | 12,404 |
PMC | Contra | 24 | 7 | 59 | 6 | 6.428 | 0.000001 | 10,203 |
M1 | Ipsi | −30 | −24 | 57 | 4 | 3.340 | 0.000849 | 134 |
PPC | Contra | 32 | −62 | 52 | 7 | 8.295 | 0.000001 | 17,189 |
PPC | Ipsi | −18 | −75 | 56 | 7 | 5.592 | 0.000001 | 1,728 |
IPL | Contra | 47 | −60 | 38 | 40 | 6.808 | 0.000001 | 10,434 |
Angular. gy. | Ipsi | −47 | −69 | 35 | 39 | 3.542 | 0.000404 | 4,613 |
Cuneus | Ipsi | −5 | −73 | 21 | 18 | 4.601 | 0.000004 | 1,959 |
Mid. temp. gy | Ipsi | −53 | −20 | −1 | 21 | 5.528 | 0.000001 | 6,648 |
Parahipp. gy | Contra | 22 | −44 | −8 | 36 | 3.376 | 0.000746 | 567 |
Thalamus | Ipsi | −18 | −24 | 7 | − | 5.975 | 0.000001 | 7,145 |
Midbrain | Ipsi | −6 | −24 | −10 | − | 5.007 | 0.000001 | 5,809 |
Negative correlation | ||||||||
S1 | Ipsi | −16 | −38 | 58 | 3 | −7.204 | 0.000001 | 8,711 |
IC | Ipsi | −36 | −3 | 17 | 13 | −3.626 | 0.000293 | 1,087 |
ACC | Contra | 13 | 17 | 39 | 32 | −5.186 | 0.000001 | 6,033 |
MCC | Ipsi | −17 | −13 | 35 | 24 | −6.418 | 0.000001 | 5,835 |
MCC | Contra | 13 | −17 | 33 | 24 | −8.074 | 0.000001 | 6,886 |
MPFC | Contra | 5 | 64 | 26 | 10 | −3.887 | 0.000104 | 2,182 |
MPFC | Contra | 12 | 49 | −1 | 10 | −6.051 | 0.000001 | 4,416 |
IPL | Ipsi | −38 | −36 | 41 | 40 | −7.062 | 0.000001 | 23,886 |
Fusiform gy. | Ipsi | −19 | −86 | −12 | 18 | −6.152 | 0.000001 | 25,339 |
Lingual gy. | Contra | 22 | −75 | −6 | 18 | −6.137 | 0.000001 | 46,448 |
Cerebellum | Ipsi | −16 | −51 | −40 | – | −3.930 | 0.000087 | 206 |
Cerebellum | Contra | 30 | −40 | −29 | – | −8.201 | 0.000001 | 12,761 |
(b) Skin blood flow—Pain anticipation (contrasted with warmth anticipation) | ||||||||
Positive correlation | ||||||||
S2 | Ipsi | −53 | −23 | 21 | 40 | 3.121 | 0.001826 | 122 |
AIC | Ipsi | −38 | 15 | 2 | 13 | 5.985 | 0.000001 | 11,745 |
PIC | Ipsi | −31 | −19 | 15 | 13 | 5.412 | 0.000001 | 3,615 |
ACC | Ipsi | −2 | 13 | 38 | 32 | 3.715 | 0.000208 | 1,197 |
ACC | Contra | 9 | 13 | 40 | 32 | 5.809 | 0.000001 | 2,141 |
PCC | Contra | 9 | −37 | 39 | 31 | 3.771 | 0.000167 | 1,735 |
DLPFC | Ipsi | −20 | 51 | 30 | 9 | 4.547 | 0.000006 | 3,869 |
VLPFC | Contra | 38 | 42 | 21 | 10 | 3.288 | 0.001023 | 4,142 |
MPFC | Contra | 1 | 41 | 46 | 8 | 5.169 | 0.000001 | 4,606 |
PMC | Ipsi | −26 | 17 | 51 | 6 | 4.493 | 0.000007 | 5,817 |
M1 | Ipsi | −34 | −17 | 44 | 4 | 5.420 | 0.000001 | 3,079 |
PPC | Ipsi | −35 | −62 | 44 | 7 | 3.511 | 0.000455 | 247 |
Positive correlation | ||||||||
PPC | Contra | 32 | −41 | 57 | 5 | 4.760 | 0.000002 | 1,288 |
Mid. temp. gy | Ipsi | −45 | −34 | −2 | 21 | 3.472 | 0.000526 | 4,411 |
Hippocampus | Contra | 30 | −29 | 0 | – | 5.775 | 0.000001 | 9,888 |
Basal ganglia | Ipsi | −26 | 3 | −1 | – | 6.408 | 0.000001 | 4,661 |
Basal ganglia | Contra | 22 | 2 | −6 | – | 4.626 | 0.000004 | 1,289 |
Midbrain | Contra | −2 | −19 | −1 | – | 3.069 | 0.002171 | 662 |
Negative correlation | ||||||||
S1 | Ipsi | −20 | −32 | 65 | 3 | −6.7723 | 0.000001 | 3,947 |
S1 | Contra | 13 | −33 | 67 | 3 | −5.788 | 0.000001 | 4,341 |
AIC | Contra | 33 | 16 | 6 | 13 | −3.724 | 0.000187 | 1,315 |
PIC | Contra | 32 | −18 | 18 | 13 | −3.306 | 0.000961 | 590 |
VPFC | Ipsi | −28 | 53 | −3 | 10 | −5.296 | 0.000001 | 6,906 |
MPFC | Ipsi | −19 | 30 | 31 | 9 | −5.216 | 0.000001 | 1,844 |
MPFC | Contra | 12 | 56 | 17 | 10 | −6.616 | 0.000001 | 14,350 |
STG | Ipsi | −54 | −9 | −4 | 22 | −7.649 | 0.000001 | 13,593 |
STG | Contra | 59 | −36 | 11 | 22 | −5.007 | 0.000001 | 2,799 |
Cuneus | Ipsi | −18 | −79 | 26 | 18 | −5.394 | 0.000001 | 6,696 |
Cuneus | Contra | 14 | −76 | 32 | 19 | −5.183 | 0.000001 | 10,906 |
Thalamus | Contra | 10 | −6 | 2 | – | −3.108 | 0.001906 | 359 |
Cerebellum | Ipsi | −43 | −55 | −40 | – | −2.957 | 0.003135 | 181 |
Cerebellum | Contra | 42 | −42 | −36 | – | −4.111 | 0.000041 | 1,047 |
(c) Skin conductance response—Pain experience contrasted with warmth experience | ||||||||
Positive correlation | ||||||||
S2 | Contra | 57 | −21 | 16 | 40 | 4.990 | 0.000001 | 5,762 |
AIC | Ipsi | −37 | 14 | 10 | 13 | 3.479 | 0.000511 | 201 |
AIC | Contra | 46 | 10 | −3 | 13 | 4.006 | 0.000064 | 9,085 |
ACC | Ipsi | −11 | 30 | 25 | 32 | 4.598 | 0.000004 | 6,309 |
ACC | Contra | 5 | 30 | 7 | 24 | 3.237 | 0.001223 | 210 |
MCC | Ipsi | −5 | −7 | 43 | 24 | 4.385 | 0.000012 | 706 |
MCC | Contra | 1 | −4 | 46 | 24 | 4.947 | 0.000001 | 1,611 |
DLPFC | Ipsi | −26 | 41 | 34 | 9 | 5.505 | 0.000001 | 19,005 |
DLPFC | Contra | 23 | 43 | 41 | 8 | 6.439 | 0.000001 | 18,468 |
MPFC | Ipsi | −9 | 60 | 30 | 9 | 4.941 | 0.000001 | 2,476 |
PMC | Ipsi | −3 | 11 | 57 | 6 | 6.280 | 0.000001 | 19,718 |
PMC | Contra | 26 | 10 | 56 | 6 | 5.974 | 0.000001 | 14,494 |
IPL | Ipsi | −48 | −67 | 33 | 39 | 4.224 | 0.000025 | 12,932 |
PPC | Contra | 36 | −61 | 48 | 7 | 7.289 | 0.000001 | 19,258 |
Sup. temp.gy. | Ipsi | −57 | −12 | −2 | 21 | 4.547 | 0.000006 | 3,695 |
Fusifo. gy. | Ipsi | −37 | −66 | −11 | 19 | 5.208 | 0.000001 | 12,465 |
Subcallosal gy. | Ipsi | −13 | 2 | −14 | 34 | 6.439 | 0.000001 | 4,867 |
Basal ganglia | Contra | 11 | 14 | 5 | – | 5.223 | 0.000001 | 5,568 |
Thalamus | Ipsi | −15 | −25 | 6 | – | 5.002 | 0.000001 | 10,921 |
Midbrain | Ipsi | −8 | −22 | −4 | – | 3.972 | 0.000073 | 1,988 |
Negative correlation | ||||||||
ACC | Contra | 19 | 13 | 39 | 32 | −4.029 | 0.000058 | 4,069 |
DLPFC | Contra | 51 | 9 | 26 | 9 | −6.883 | 0.000001 | 6,814 |
MPFC | Contra | 0 | 65 | 25 | 10 | −4.724 | 0.000002 | 1,516 |
MPFC | Contra | 9 | 40 | 29 | 9 | −3.896 | 0.000100 | 856 |
IPL | Ipsi | −41 | −37 | 41 | 40 | −5.817 | 0.000001 | 16,998 |
IPL | Contra | 33 | −35 | 41 | 40 | −5.165 | 0.000001 | 9,252 |
STG | Contra | 41 | −38 | 3 | 41 | −4.837 | 0.000001 | 10,676 |
Lingual gy. | Ipsi | −20 | −86 | 1 | 17 | −5.372 | 0.000001 | 18,324 |
Lingual gy. | Contra | 13 | −81 | −7 | 17 | −4.040 | 0.000055 | 17,363 |
Parahippoc. gy. | Contra | 24 | −2 | −13 | – | −5.161 | 0.000001 | 6,250 |
Cerebellum | Ipsi | −16 | −51 | −39 | – | −4.016 | 0.000061 | 245 |
Cerebellum | Contra | 30 | −40 | −26 | – | −7.350 | 0.000001 | 13,732 |
(d) Skin conductance response—Pain anticipation contrasted with warmth anticipation | ||||||||
Positive correlation | ||||||||
AIC | Ipsi | −39 | 16 | 8 | 13 | 4.730 | 0.000002 | 7,523 |
ACC | Ipsi | −2 | 11 | 41 | 32 | 4.100 | 0.000043 | 2,124 |
ACC | Contra | 10 | 12 | 40 | 32 | 5.762 | 0.000001 | 2,511 |
DLPFC | Ipsi | −24 | 47 | 31 | 9 | 3.774 | 0.000164 | 3,970 |
DLPFC | Contra | 44 | 35 | 22 | 46 | 5.594 | 0.000001 | 6,498 |
MPFC | Ipsi | −5 | 45 | 21 | 9 | 3.866 | 0.000114 | 645 |
MPFC | Contra | 8 | 29 | 55 | 8 | 5.012 | 0.000001 | 1,314 |
SMA | Contra | 12 | 6 | 55 | 6 | 4.891 | 0.000001 | 1,876 |
PMC | Ipsi | −26 | 20 | 51 | 6 | 4.862 | 0.000001 | 9,383 |
PMC | Contra | 37 | 4 | 29 | 6 | 3.849 | 0.000122 | 1,668 |
PPC | Ipsi | −2 | −72 | 52 | 7 | 5.363 | 0.000001 | 1,756 |
PPC | Contra | 25 | −68 | 55 | 7 | 5.163 | 0.000001 | 2,117 |
Sup. temp. gy. | Ipsi | −40 | −30 | 3 | 41 | 4.382 | 0.000012 | 7,231 |
Supramrag. gy. | Contra | 61 | −46 | 31 | 40 | 7.037 | 0.000001 | 6,514 |
Hippocampus | Contra | 31 | −31 | 0 | − | 5.137 | 0.000001 | 4,563 |
Declive | Contra | 13 | −73 | −14 | – | 4.433 | 0.000010 | 1,463 |
Basal ganglia | Ipsi | −29 | 2 | −1 | − | 4.963 | 0.000001 | 2,683 |
Basal ganglia | Contra | 23 | 0 | −6 | − | 3.891 | 0.000102 | 650 |
Thalamus | Ipsi | −2 | −19 | 0 | – | 2.234 | 0.020204 | 377 |
Negative correlation | ||||||||
S1 | Ipsi | −22 | −31 | 66 | 3 | −6.145 | 0.000001 | 3,941 |
S1 | Contra | 14 | −35 | 67 | 3 | −4.347 | 0.000014 | 1,948 |
M1 | Contra | 42 | −16 | 45 | 4 | −3.257 | 0.001142 | 773 |
DLPFC | Ipsi | −38 | 36 | 16 | 46 | −3.005 | 0.002683 | 195 |
MPFC | Contra | 8 | 60 | 19 | 10 | −7.727 | 0.000001 | 13,076 |
IPL | Contra | 44 | −37 | 48 | 40 | −2.807 | 0.005038 | 245 |
Lingual gy. | Ipsi | −11 | −81 | −5 | 18 | −5.685 | 0.000001 | 24,026 |
Middle temp. gy. | Ipsi | −52 | −12 | −13 | 21 | −5.556 | 0.000001 | 3,899 |
Sup. temp. gy. | Contra | 56 | −35 | 9 | 22 | −4.251 | 0.000022 | 1,522 |
Fusif. gy. | Contra | 41 | −54 | −13 | 37 | −6.031 | 0.000001 | 8,300 |
Cerebellum | Ipsi | −6 | −67 | −34 | – | −5.892 | 0.000001 | 5,613 |
Cerebellum | Contra | 8 | −54 | −36 | – | −6.410 | 0.000001 | 2,482 |
S2, secondary somatosensory cortex; AIC, anterior insular cortex; PIC, posterior insular cortex; ACC, anterior cingulate cortex; MPFC, medial prefrontal cortex; DLPFC, dorsolateral prefrontal cortex; VLPFC, ventrolateral prefrontal cortex; VPFC, ventral prefrontal cortex; DPFC, dorsal prefrontal cortex; SMA, supplementary motor cortex, PMC, premotor cortex, M1, primary motor cortex, PPC, posterior parietal cortex; IPL, inferior parietal lobulus; Contra, contralateral (right hemisphere); ipsi, ipsilateral (left hemisphere).