Table 2.
Brain regions significantly activated/deactivated during fMRI with the modified Conners Continuous Performance Test (CCPT) task (average and load conditions) in healthy controls and patients with acquired brain injury (ABI) (one-sample t-test, p < 0.001).
| Group | Contrast | Brain regions | Side | BA | MNI space coordinates | Cluster extent k | T values |
|---|---|---|---|---|---|---|---|
| Activation | |||||||
|
| |||||||
| Healthy controls | Average activation | SPL | R | 40 | 62 −44 48 | 174 | 20.0∗ |
| SMA | L | 6/24 | −34 2 42 | 52 | 13.1 | ||
| MFG | R | 10/44/48 | 50 16 20 | 107 | 8.2 | ||
| MFG | L | 46 | −38 36 32 | 48 | 5.5 | ||
| IFG | R | 44/48 | 34 20 36 | 518 | 8.2∗ | ||
| MTG | L | 37 | −48 −66 6 | 10 | 8.0 | ||
| Vermis IV-V | — | — | 2 −46 −8 | 50 | 17.8 | ||
| Cerebellum, crus I | L | — | −44 −62 −28 | 22 | 7.0 | ||
| Thalamus | L | — | −8 −7 13 | 22 | 4.1 | ||
| Insula | R | 48 | 42 15 −4 | 174 | 5.79 | ||
|
| |||||||
| Healthy controls | Load activation | Calcarine cortex/ITG | R | 17/37/19 | 14 −88 0 | 4114 | 29.3∗ |
| FFG/MOG | L | 19 | −46 −64 −16 | 2636 | 25.5∗ | ||
| MFG | R | 46/47 | 44 56 −4 | 113 | 7.9 | ||
| IPL | L | 7 | −32 −56 50 | 79 | 11.1 | ||
| Insula | R | 48 | 34 24 8 | 27 | 3.37 | ||
| Lingual gyrus | R | 27 | 4 −32 −2 | 46 | 7.3 | ||
| Cerebellum, crus II | L | — | −6 −84 −36 | 66 | 9.2 | ||
|
| |||||||
| ABI patients | Average activation | SPL | R | 40 | 52 −48 40 | 71 | 4.3 |
| SMA | L/R | 6 | 12 10 52 | 3946 | 10.5∗ | ||
| MFG | R | 46 | 36 38 28 | 610 | 6.8∗ | ||
| IFG/putamen | R | 47/48 | 40 26 6 | 2309 | 7.7∗ | ||
| MTG/STG | L/R | 21/42/48 | 50 −48 4 | 381 | 5.4 | ||
| Vermis IV-V-VI/ | — | — | 0 −48 −10 | 2792 | 10.6∗ | ||
| Cerebellum, crus I | L | −36 −64 −32 | |||||
| Thalamus | L | — | −18 −14 12 | 552 | 6.9 | ||
| Insula | L | 48 | −34 14 12 | 1262 | 6.0∗ | ||
|
| |||||||
| ABI patients | Load activation | MOG | R | 18/19 | 34 −86 10 | 2070 | 11.0∗ |
| MOG | L | 18/19 | −28 −92 8 | 1267 | 9.8∗ | ||
| IPL | L | 7 | −28 −56 48 | 214 | 6.0 | ||
| SMA | L | 6 | −6 8 50 | 1081 | 8.0∗ | ||
| Precentral gyrus | L | 6 | −44 −6 52 | 1661 | 7.2∗ | ||
| MFG | R | 10/46 | 36 50 22 | 488 | 6.2∗ | ||
| Insula | R | 47 | 36 14 10 | 24 | 4.4 | ||
| Cerebellum | L | — | −34 −76 −22 | 500 | 8.8∗ | ||
|
| |||||||
| Deactivation | |||||||
|
| |||||||
| Healthy controls |
Average activation | MOG | L | 19 | −30 −80 28 | 860 | 8.1∗ |
| Precuneus | L | 5 | −8 −46 58 | 16 | 3.9 | ||
| Fusiform gyrus | L | 37 | −28 −34 −22 | 627 | 5.6 | ||
| Orbital IFG | L | 47 | −50 40 −2 | 120 | 5.0 | ||
|
| |||||||
| Healthy controls |
Load activation | Precuneus | L/R | 30 | 12 −46 46 | 2171 | 21.7∗ |
| SFG | L | 10 | −16 60 20 | 1229 | 27.8∗ | ||
| PCC | — | 30 | 12 −52 16 | 256 | 15.9∗ | ||
| STG | R | 48 | 44 −12 2 | 150 | 7.9∗ | ||
| MTG | L | 21 | −48 −68 20 | 298 | 6.5∗ | ||
| Insula | L | 48 | −36 −18 4 | 38 | 6.6 | ||
|
| |||||||
| ABI patients | Average activation | SFG | L | 10 | −6 38 54 | 74 | 4.0 |
| Precuneus/MCC | L | 7 | −8 −60 54 | 6602 | 7.8∗ | ||
| STG/MTG | R | 22 | 60 −4 10 | 206 | 4.2 | ||
| MOG | L | 18 | −30 −92 4 | 513 | 4.8∗ | ||
| MFG | L/R | 10 | 8 60 −2 | 485 | 6.0∗ | ||
|
| |||||||
| ABI patients | Load activation | STG | R | 48 | 46 −12 6 | 2195 | 15.4∗ |
| Precuneus | L/R | 30 | −10 −42 58 | 1519 | 11.3∗ | ||
| Postcentral gyrus | L | 48 | −52 −10 18 | 667 | 11.1∗ | ||
| SFG | L/R | 8/10/11 | −20 16 −14 | 426 | 3.6 | ||
| PCC | — | — | −10 −40 38 | 261 | 7.5∗ | ||
| Insula | L | 48 | −26 12 −14 | 428 | 3.6 | ||
R = right; L = left; BA = Brodmann Area; FFG = fusiform gyrus; IFG = inferior frontal gyrus; IOG = inferior occipital gyrus; MOG = middle occipital gyrus; IPL = inferior parietal lobule; SPL = superior parietal lobule; MFG = middle frontal gyrus; MOG = middle occipital gyrus; ITG = inferior temporal gyrus; MTG = middle temporal gyrus; SMA = supplementary motor area; STG = superior temporal gyrus; MCC = middle cingulate cortex; PCC = posterior cingulate cortex.
∗ p < 0.05, familywise error (FWE) corrected for multiple comparisons.