Table 5.
Regions of Significant CBF Changes during Task Performance Compared to Rest
| Size (voxels) |
Anatomical Label | BA | MNI Coordinates |
Z Score | Δ CBF (ml/100g/min) |
% CBF change |
|||
|---|---|---|---|---|---|---|---|---|---|
| x | y | z | |||||||
| Activation | |||||||||
| VSAT | |||||||||
| 135 | R occipital | 18 | 23 | −94 | 4 | 4.47 | 7.3 ± 7.8 | 17.5 | |
| 68 | L occipital | 18 | −34 | −97 | 0 | 3.84 | 7.1 ± 9.1 | 17.9 | |
| 86 | R middle frontal | 46 | 39 | 36 | 12 | 3.80 | 4.4 ± 5.6 | 10.0 | |
| 39 | R superior frontal/SMA | 6 | 11 | 9 | 45 | 3.64 | 3.6 ± 5.4 | 7.5 | |
| 44 | R inferior frontal/insula | 48 | 33 | 23 | 4 | 3.61 | 3.1 ± 4.5 | 6.7 | |
| 47 | L precentral | 6 | −40 | −5 | 33 | 3.58 | 3.4 ± 4.5 | 7.2 | |
| Deactivation | |||||||||
| 173 | L SC/medial orbitofrontal | 25 | −6 | 21 | −11 | 4.29 | −6.7 ± 10.9 | −13.5 | |
| Activation | |||||||||
| Two-back | |||||||||
| 842 | R inferior parietal | 39/40/7 | 32 | −56 | 40 | 6.24 | 5.4 ± 4.9 | 12.1 | |
| 1229 | R precentral/middle frontal/SMA | 6/44 | 40 | −3 | 34 | 6.12 | 5.5 ± 5.3 | 12.4 | |
| 632 | L precentral/middle frontal/SMA | 6/44 | −35 | 0 | 33 | 5.78 | 5.3 ± 5.3 | 11.1 | |
| 511 | L inferior parietal | 39/40/7 | −32 | −49 | 42 | 5.15 | 4.6 ± 4.6 | 9.7 | |
| 94 | R occipital | 18 | 21 | −94 | 7 | 3.67 | 5.9 ± 9.9 | 16.1 | |
| Deactivation | |||||||||
| 77 | L posterior cingulate | 11 | −3 | 26 | −11 | 3.99 | −6.1 ± 10.4 | −11.8 | |
Cluster sizes are in voxels. A CBF and % CBF values (mean ± standard deviation) are changes from the resting baseline. R=Right. L=Left. BA=Brodmann area. SC=subgenual cingulate. SMA=Supplementary motor area. VSAT=Visual Sustained Attention Task.