Table 5.
Anatomical locations of peak coordinates and cluster size for each single condition ALE in PWA and controls, as well as contrast ALEs comparing PWA and controls on each individual language task.
| Condition | Anatomical location | Peak coordinates | Voxels (mm3) |
|---|---|---|---|
| Picture naming | |||
| PWA | Right superior temporal gyrus* | 52, −32, 8 | 720 |
| Right superior temporal gyrus* | 60, −22, 0 | 632 | |
| Controls | Left inferior frontal gyrus (pars triangularis*) | −46, 8, 24 | 1,296 |
| Controls > PWA | Left inferior frontal gyrus (pars triangularis*, pars opercularis) | −48.2, 5.5, 26.3 | 1,904 |
| Left middle frontal gyrus* | −50, 28, 22 | 1,136 | |
| Left medial frontal gyrus* | −2.7, 2.7, 56 | 488 | |
| Right superior temporal gyrus* | 50, 12, −6 | 312 | |
| Word generation | |||
| PWA | Right insula*, right inferior frontal gyrus (pars triangularis) | 32, 24, −2 | 1,240 |
| Right middle temporal gyrus* | 58, −36, 6 | 712 | |
| Controls | Left inferior frontal gyrus (pars triangularis*), left insula | −50, 18, 18 | 3,232 |
| Left superior frontal gyrus*, right superior frontal gyrus | −2, 18, 48 | 2,000 | |
| Left precentral gyrus* | −48, 0, 46 | 696 | |
| Right inferior frontal gyrus (pars triangularis*, pars orbitalis) | 52, 20, 6 | 1,840 | |
| Conjunction | Right inferior frontal gyrus (pars orbitalis*) | 36, 24, 2 | 168 |
| Controls > PWA | Left inferior frontal gyrus (pars triangularis)* | −46, 18, 14 | 2,264 |
| Left middle frontal gyrus*, left precentral gyrus | −47, 1, 42 | 696 | |
| Left superior frontal gyrus* | −6.8, 15.1, 52.9 | 1,968 | |
| Right inferior frontal gyrus (pars triangularis*) | 48, 22, 0 | 1,000 | |
| Semantic decision | |||
| PWA | Left inferior frontal gyrus (pars triangularis*) | −46, 24, 14 | 808 |
| Left middle temporal gyrus* | −42, −64, 22 | 968 | |
| Left middle temporal gyrus* | −56, −32, −10 | 624 | |
| Auditory sentence listening | |||
| PWA | Left inferior frontal gyrus (pars orbitalis*) | −40, 28, −4 | 2,144 |
| Left middle frontal gyrus* | −46, 20, 20 | 1,192 | |
| Left superior frontal gyrus* | −8, 8, 52 | 968 | |
| Left middle temporal gyrus*, left superior temporal gyrus | −50, −38, −2 | 2,240 | |
| Left superior temporal gyrus*, left inferior temporal gyrus, left middle temporal gyrus | −52, −8, −8 | 2,112 | |
| Right claustrum* | 30, 20, 4 | 896 | |
| Controls | Left middle temporal gyrus* | −56, −42, 2 | 1,448 |
| Conjunction | Left middle temporal gyrus* | −56, −42, 4 | 1,176 |
Only studies which included both PWA and control data are included in these analyses.
The x, y, z coordinates are in Talairach space and refer to the peak voxel activated in each cluster. All contrast ALEs are thresholded at p = 0.05 uncorrected. Asterisks indicate anatomical location of peak voxel.