Table 2.
Comparisons of arcuate fasciculus diffusion metrics by hemisphere in typically developing (TD) control and deletion carrier groups are shown. Bold p-values are < 0.05.
| Left hemisphere |
Right hemisphere |
|||||
|---|---|---|---|---|---|---|
| TD mean (±SE) |
Deletion mean (±SE) |
p-Value | TD mean (±SE) |
Deletion mean (±SE) |
p-Value | |
| Mean diffusivity 10−4 mm2/s |
7.32 (±0.035) |
7.45 (±0.037) |
<0.02 | 7.35 (±0.034) |
7.49 (±0.036) |
<0.01 |
| Fractional anisotropy |
0.545 (±0.0044) |
0.535 (±0.0047) |
0.15 | 0.525 (±0.0042) |
0.522 (±0.0045) |
0.6 |
| Axial diffusivity 10−4 mm2/s |
12.2 (±0.055) |
12.3 (±0.059) |
0.2 | 12.0 (±0.058) |
12.2 (±0.062) |
<0.05 |
| Radial diffusivity 10−4 mm2/s |
4.88 (±0.043) |
5.03 (±0.047) |
<0.02 | 5.00 (±0.042) |
5.14 (±0.045) |
<0.05 |