Table 1.
Blood oxygen level dependent (BOLD) responses to contrasts of interest. All clusters are reported at a voxel-level significance threshold of p < .001, small volume corrected with p < .05 for family-wise error (FWE) in regions of interest for a 15 mm sphere around peak coordinates as reported by Huettel et al. (2006), and cluster-level corrected with p < .05 for family-wise error (FWE) outside regions of interest (marked *).
| Brain regions | Brodmann area of local maxima |
Hemisphere | Voxel number |
Voxel t score |
Montreal Neurological Institute brain template coordinates of local maxima |
|---|---|---|---|---|---|
| Ambiguity > risk | |||||
| Posterior inferior frontal gyrus | 44 & 45 | right | 50 | 4.53 | 52, 14, 14;58, 10, 26 |
| 44 & 9 | left | 147 | 4.87 | −52, 10, 26;−42, 2, 30 | |
| Posterior superior parietal lobule | 7 | right | 44 | 4.41 | 34, −50, 50;30, −58, 44 |
| 7 | left | 93 | 4.97 | −26, −54, 46 | |
| Middle frontal gyrus | 9 | right | 15 | 4.22 | 40, 10, 30 |
| Fusiform gyrus, inferior temporal gyrus & parahippocampal gyrus* |
19 | right | 536 | 5.97 | 32, −56, −8; 30, −68, −10;44, −54, −4 |
| Fusiform gyrus& middle temporal gyrus* |
37 | left | 188 | 5.41 | −44, −58, 0;−52, −60, 2;−28, −68, −10 |
|
| |||||
| Ambiguity > ignorance | |||||
| Posterior inferior frontal gyrus& middle frontal gyrus |
44, 46, 9 | right | 605 | 5.47 | 42, 16, 24; 58, 16, 16; 44, 4, 28 |
| Posterior inferior frontal gyrus | 46 | right | 69 | 4.82 | 36, 32, 8;34, 24, 4 |
| Posterior inferior frontal gyrus & middle frontal gyrus |
9 | left | 232 | 5.26 | −52, 8, 30;−44, 6, 30; −48, 6, 38 |
| Posterior superior & inferior parietal lobule |
7 | right | 86 | 4.48 | 30, −58, 44; 30, −64 , 50 |
| Occipital cortex* | 18, 37, 17 | bilateral | 4229 | 8.31 | −30, −82, −8; 32, −46, −14; 10, −88, 6 |
| Middle temporal gyrus & precuneus* | 19 | left | 173 | 5.27 | −34, −82, 20;−28, −76, 38 |
|
| |||||
| Conjunction: (Ambiguity > risk) & (ambiguity > ignorance) | |||||
| Posterior inferior frontal gyrus | 9 | right | 10 | 4.0 | 54, 14, 14 |
| Middle frontal gyrus | 44 | right | 26 | 4.17 | 44, 12, 30 |
| Posterior inferior frontal gyrus | 9 | left | 69 | 4.26 | −50, 8, 26 |
| Posterior superior parietal lobule | 7 | right | 3 | 3.68 | 30, −60, 44 |
| Fusiform gyrus & parahippocampal gyrus* |
19 & 37 | right | 566 | 4.77 | 28, −70, −14;38, −52, −14; 30, −56, −8 |
| Fusiform gyrus & lingual gyrus* | 18 & 19 | left | 344 | 5.29 | −28, −68, −10; −20, −74, −12; −26, −80, −8 |