Table 2.
fMRI results for the comparison low > high task-demand nontarget trials
| Anatomical structure | Cluster size | Corrected cluster p value | Hemisphere | Maximum t value | MNI coordinates (x, y, z) |
|---|---|---|---|---|---|
| Frontal cortical areas | |||||
| Middle frontal gyrus | 153 | <0.001 | L | 8.59 | −28, 26, 50 |
| Middle frontal gyrus | 72 | 0.001 | R | 7.81 | 28, 22, 50 |
| Superior frontal gyrus | 281 | <0.001 | L | 7.21 | −10, 48, 44 |
| Superior frontal gyrus | 6 | −14, 66, 8 | |||
| Medial orbitofrontal cortex | 78 | 0.001 | L/R | 6.27 | 2, 62, −8 |
| Medial orbitofrontal cortex | 208 | <0.001 | L/R | 6.07 | −8, 26, −16 |
| Posterior cortical areas | |||||
| Angular gyrus | 842 | <0.001 | L | 11.8 | −52, −68, 40 |
| Posterior cingulate cortex | 1484 | <0.001 | L/R | 11.51 | −16, −46, 34 |
| Precuneus | 9.07 | −2, −62, 34 | |||
| Angular gyrus | 605 | <0.001 | R | 9.8 | 46, −58, 38 |
| Middle temporal gyrus | 117 | <0.001 | L | 8.14 | −60, −14, −20 |
| Parahippocampal gyrus | 46 | 0.016 | L | 6.45 | −30, −22, −20 |
| Middle temporal gyrus | 39 | 0.035 | R | 5.9 | 66, −36, −4 |
Corrected cluster level p < 0.05; voxel-level threshold t > 4.5, p < 0.0005; distance between local maxima >16 mm for cortical and >12 mm for subcortical structures. L, Left; R, right.