Table 3. Zero-Order Correlations of Cortical Thickness in Selected Regions of Interest (ROI) with Resting State Heart Rate Variability (Study 2);
values represent correlation coefficients (r) and their respective p-values; ACC: anterior cingulate cortex; MFG: middle frontal gyrus; OFC: orbital frontal cortex; * and bold: highlights a significant correlation on the p < .05 level; ** and bold: highlights a significant correlation on the p < .01 level
| Study 2 | Left Hemisphere | Right Hemisphere | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||||
| all subjects | older age | younger age | all subjects | older age | younger age | ||||||||
|
| |||||||||||||
| r | p | r | p | r | p | r | p | r | p | r | p | ||
| Caudal ACC | .337* | .017 | .356 | .096 | .165 | .410 | .160 | .268 | .116 | .598 | −.076 | .706 | |
| Rostral ACC | .409** | .003 | .288 | .182 | .325 | .098 | .152 | .291 | .018 | .935 | .078 | .699 | |
| Caudal MFG | .361** | .010 | .139 | .527 | .222 | .266 | .318* | .024 | .133 | .546 | .167 | .406 | |
| Rostral MFG | .274 | .054 | −.013 | .952 | .212 | .288 | .190 | .186 | −.146 | .506 | .205 | .304 | |
| Lateral OFC | .303* | .032 | .188 | .392 | .167 | .406 | .134 | .355 | .053 | .811 | −.013 | .949 | |
| Medial OFC | .215 | .133 | −.117 | .595 | .322 | .101 | .218 | .128 | .083 | .708 | .134 | .505 | |
| Pars opercularis | .370** | .008 | .112 | .611 | .308 | .118 | .304* | .032 | .178 | .416 | .037 | .854 | |
| Pars orbitalis | .165 | .251 | −.249 | .252 | .266 | .179 | .193 | .180 | −.117 | .594 | .204 | .308 | |
| Pars triangularis | .326* | .021 | .199 | .363 | .169 | .398 | .328* | .020 | .184 | .401 | .120 | .551 | |
| Superior frontal G. | .332* | .019 | .003 | .989 | .232 | .244 | .294* | .038 | .017 | .939 | .177 | .377 | |
| Frontal pole | .093 | .523 | −.277 | .201 | .238 | .232 | .073 | .615 | −.371 | .081 | .272 | .170 | |
| Insula | .294* | .038 | .110 | .617 | .027 | .895 | .322* | .023 | .247 | .257 | −.029 | .888 | |