Table 4.
Brain areas showing positive modulation in BOLD amplitude with CO2 level in thermal tasters (TTs) and thermal non tasters (TnTs)
| Area | Side | MNIa | Z‐score | P‐value | Cluster sizeb, k |
|---|---|---|---|---|---|
| Thermal taster (TT) | |||||
| SII | |||||
| L | −62, −28,16 | 5.41 | <0.001 | 51 | |
| R | 64, −14, 8 | 3.34 | 0.003 | 26 | |
| Thermal non‐ taster (TnT) | |||||
| Primary Somatosensory Cortex (SI)* | R |
62, −12, 42 54, −16, 22 58, −20, 26 |
3.59 3.25 3.23 |
<0.001 <0.001 0.001 |
797 |
| L | −52, −14, 46 | 3.52 | <0.001 | sub | |
| Secondary somatosensory cortex (SII)* | R |
62, −26, 18 68, −28, 8 |
4.55 3.89 |
<0.001 <0.001 |
sub |
| Rolandic operculum* | R | 56, 0, 6 | 4.55 | <0.001 | sub |
| L | −56, 2, 14 | 3.54 | <0.0001 | 44 | |
| ACC* | R | 2, 0,50 | 3.31 | <0.0001 | 312 |
| L | −6, −10, 48 | 3.34 | <0.0001 | sub | |
| Precentral gyrus* | R | 60, −2, 42 | 3.58 | <0.0001 | sub |
R, right hemisphere; L, left hemisphere; MNI, Montreal Neurological Institute.
a
Peak voxel coordinates given in MNI space (x,y,z).
b
Reported clusters threshold at P < 0.005, uncorrected for multiple comparisons, with a cluster extent threshold k > 20 voxels, and “sub” indicates sub‐cluster level, Asterisks indicate areas activated with FDR corrected P < 0.05.