Table 1.
HbO-HbR comparisons for all channels, and significant pairwise comparisons for Channel × Cognitive Control Demands and Channel × Social Context effects on HbO for each channel showing significantly greater HbO than HbR.
| Channel | HbO vs. HbR | HbO: Cognitive Control Demands | HbO: Social Context |
|---|---|---|---|
| r-FP1 | t(59) = 4.81, p<.001, d = .62* | -- | Cm (.28 μM) < N (.47 μM), p = .033 |
| r-FP2 | t(59) = 5.24, p<.001, d = .68* | -- | -- |
| r-VLPFC1 | t(59) = .74, p = .462, d = .10 | ||
| r-VLPFC2 | t(59) = 5.43, p<.001, d = .70* | -- | -- |
| r-VLPFC3 | t(57) = 3.49, p = .001, d = .46* | C (.12 μM) < S (.30 μM), p = .026 | -- |
| r-VLPFC4 | t(59) = .69, p = .491, d = .09 | ||
| r-DLPFC1 | t(57) = 6.63, p<.001, d = .87* | -- | -- |
| r-DLPFC2 | t(57) = 4.21, p<.001, d = .55* | -- | -- |
| r-DLPFC3 | t(57) = 1.52, p = .134, d = .20 | ||
| r-DLPFC4 | t(57) = 5.29, p<.001, d = .69* | C (.22 μM) < S (.42 μM), p = .025 | Cm (.18 μM) < N (.40 μM), p = .022 Cm (.18 μM) < Co (.39 μM), p = .028 |
| l-FP1 | t(59) = 5.67 p<.001, d = .73* | C (.18 μM) < I (.34 μM), p = .012 C (.18 μM) < S (.44 μM), p<.001 |
-- |
| l-FP2 | t(59) = 3.23, p = .0020, d = .42* | -- | -- |
| l-VLPFC1 | t(59) = 2.19, p = .033, d = .28 | ||
| l-VLPFC2 | t(59) = 7.04 p<.001, d = .91* | C (.32 μM) < S (.58 μM), p<.001 | Co (.33 μM) < Cm (.55 μM), p = .011 |
| l-VLPFC3 | t(59) = 3.88, p<.001, d = .50* | C (.02 μM) < I (.27 μM), p = .001 I (.27 μM) < S (.48 μM), p = .008 |
-- |
| l-VLPFC4 | t(58)=-2.17, p = .034, d = .28 | ||
| l-DLPFC1 | t(59) = 4.63, p<.001, d = .60* | C (.26 μM) < I (.38 μM), p = .046 S (.24 μM) < I (.38 μM), p = .027 |
-- |
| l-DLPFC2 | t(58) = 1.61, p = .112, d = .21 | ||
| l-DLPFC3 | t(58) = .59, p = .560, d = .08 | ||
| l-DLPFC4 | t(59) = 4.98, p<.001, d = .64* | C (.18 μM) < S (.44 μM), p = .010 I (.23 μM) < S (.44 μM), p = .036 |
Co (.08 μM) < Cm (.39 μM), p = .006 |
r = right; l = left; FP = frontal pole; VLPFC = ventrolateral prefrontal cortex; DLPFC = dorsolateral prefrontal cortex; HbO = oxygenated hemoglobin; HbR = deoxygenated hemoglobin; C = control; I = inhibition; S = switching; Co = cooperative; Cm = competitive; N = neutral; * = significant after Bonferroni correction (p < .0025); -- no significant pairwise comparisons.