Table 1.
ROIs displaying sustained responses
| BA | Size (mm3) | Center of mass |
PM-1Back task |
NB-3Back task |
Diss. from | |||||||
| x | y | z | Fixation | Oddball | NB-1Back | Fixation | Oddball | NB-1Back | R DL-PFC | |||
| t(17) | t(17) | t(17) | t(17) | t(17) | t(17) | F(2,34) | ||||||
| ROIs sensitive to PM load in a sustained fashion | ||||||||||||
| L. ant. PFC | 10/46 | 1863 | −29 | 43 | 12 | 5.18*** | 4.01*** | 3.53** | 1.99$ | 2.12* | 1.51 | 2.95$ |
| R. ant. PFC (A) | 10/46 | 675 | 28 | 46 | 9 | 3.53** | 3.02** | 2.8* | 0.41 | 1.2 | 1.11 | 6.08** |
| R. DL-PFC | 46/9 | 216 | 29 | 34 | 22 | 3.37** | 2.8* | 2.42* | 1.78$ | 1.21 | 1.45 | 4.52* |
| L. DL-PFC | 46/9 | 1944 | −29 | 20 | 25 | 4.46*** | 3.13** | 3.46** | 1.63 | 1.19 | 1.43 | 10.88*** |
| L. post. DL-PFC | 6/8 | 324 | −31 | 4 | 39 | 3.51** | 2.35* | 2.39* | 2.46* | 1.81$ | 1.69 | 7.18** |
| ACC | 32/6 | 972 | −3 | 17 | 45 | 4.05*** | 2.66* | 2.5* | 2.75* | 1.99$ | 1.5 | 0.74 |
| L. lat. par. lobe | 7/40 | 6156 | −36 | −53 | 44 | 4.17*** | 3.52** | 3.23** | 2.21* | 1.98$ | 1.77$ | 0.49 |
| R. inf. par. lobe | 7/40 | 1944 | 36 | −54 | 46 | 3.54** | 3.58** | 2.79* | 2.45* | 2.14* | 1.68 | 0.54 |
| L. cerebellum | NA | 243 | −12 | −68 | −31 | 3.03** | 2.85* | 2.95** | 2.22* | 2.22* | 1.68 | 8.58*** |
| R. cerebellum | NA | 243 | 32 | −62 | −30 | 2.89* | 3.63** | 2.58* | 1.18 | 1.67 | 1.58 | 5.93** |
| ROIs sensitive to WM load in a sustained fashion | ||||||||||||
| R. DL-PFC (B) | 9/8 | 243 | 31 | 23 | 38 | 1.87$ | 1.65 | 2.66* | 4.33*** | 2.3* | 2.77* | — |
| R. post. DL-PFC | 6/8 | 729 | 34 | 5 | 52 | 1.86$ | 1.92$ | 1.58 | 4.43*** | 2.78* | 2.61* | — |
| R. sup. par. lobe | 7/19/40 | 3105 | 30 | -65 | 50 | 1.29 | 2.94** | 0.02 | 3.38** | 3.9** | 3.16** | 3.04$ |
| R. sup. par. lobe | 7/40 | 324 | 50 | −45 | 50 | 1.71 | 1.13 | 0.51 | 3.36** | 2.5* | 2.74* | 0.91 |
| L. inf. cerebellum | NA | 270 | −38 | −59 | −43 | −0.23 | 0.68 | 0.05 | 3.39** | 3.55** | 2.71* | 1.13 |
| ROIs sensitive to both PM and WM load in a sustained fashion | ||||||||||||
| L. sup. par. lobe (C) | 7/40 | 432 | −44 | −51 | 51 | 4.64*** | 3.32** | 3.24** | 3.22** | 2.44* | 2.56* | 1.52 |
| R. sup. par. lobe | 7/40 | 351 | 32 | −63 | 43 | 3.75** | 3.06** | 3.34** | 3.07** | 2.77* | 2.43* | 0.51 |
Note: Statistics in columns 7−12 reflect t-statistics for each direct comparison, whereas the last column reflects the F statistic reflecting the ROI × condition interaction. Parentheses next to a region name indicate a label for an illustrated ROI in Figures 3 and 4. Abbreviations: L = left; R = right; Ant = anterior; Inf. = inferior; Lat. = lateral; Post. = posterior; Sup. = superior. ***P < 0.001, **P < 0.01, *P < 0.05, $P < 0.1