Table 1.
Volume of hAF fibers to each cortical ROI: Subregions within Broca’s area, and the ventral premotor cortex in the left hemisphere and the right hemisphere, for each subject.
| Left hAF Fibers (mm3) to each ROI | Right hAF Fibers (mm3) to each ROI | |||||||
|---|---|---|---|---|---|---|---|---|
| A-PTr | P-PTr | POp | vPMC | A-PTr | P-PTr | POp | vPMC | |
| N1, 68 Yr., M | 0 | 0 | 2707.0 | 63.2 | 0 | 0 | 1742.3 | 1679.1 |
| N2, 57 Yr., M | 0 | 0 | 1489.6 | 3635.3 | 0 | 0 | 1239.3 | 1275.8 |
| N3, 58 Yr., M | 0 | 668.3 | 1540.6 | 1222.3 | 0 | 733.9 | 1598.9 | 2245.3 |
| N4, 55 Yr., M | 0 | 0 | 3042.4 | 2240.5 | 0 | 0 | 600.2 | 527.3 |
| N5, 58 Yr., F | 0 | 0 | 1023.8 | 1134.0 | 0 | 0 | 706.3 | 907.2 |
| N6, 69 Yr., F | 0 | 0 | 2643.8 | 5287.7 | 0 | 0 | 0.0 | 1309.0 |
| N7, 71 Yr., F | 0 | 0 | 693.4 | 1483.9 | 0 | 0 | 0.0 | 0.0 |
| N8, 62 Yr., M | 0 | 0 | 1859.8 | 3065.0 | 0 | 0 | 0.0 | 1205.3 |
| Mean | 0 | 83.5 | 1875.0 | 2266.5 | 0 | 91.7 | 735.9 | 1143.6 |
| SD | 0 | 236.3 | 847.5 | 1668.2 | 0 | 259.5 | 722.6 | 685.8 |
Abbreviations: hAF, horizontal mid-portion of arcuate fasciculus; A-PTr, anterior pars triangularis; P-PTr, posterior pars triangularis; POp, pars opercularis; vPMC, ventral premotor cortex.