Thalamic parcellation | Hemis phere | Time point | FA | MD (×10–3) | RD (×10–3) | AD (×10–3) | ||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||
Frontal lobe | L | T1 | 0.3 | 0.02 | 0.85 | 0.07 | 0.97 | 0.08 | 1.1 | 0.07 |
T2 | 0.3 | 0.03 | 0.86 | 0.08 | 0.98 | 0.08 | 1.12 | 0.08 | ||
R | T1 | 0.3 | 0.02 | 0.87* | 0.07 | 0.99* | 0.07 | 1.12* | 0.07 | |
T2 | 0.3 | 0.03 | 0.92 | 0.1 | 1.04 | 0.1 | 1.18 | 0.1 | ||
Premotor cortex (BA6) | L | T1 | 0.33 | 0.03 | 0.72 | 0.04 | 0.83 | 0.04 | 0.96 | 0.04 |
T2 | 0.35 | 0.03 | 0.7 | 0.03 | 0.82 | 0.03 | 0.96 | 0.03 | ||
R | T1 | 0.35 | 0.03 | 0.72 | 0.04 | 0.84 | 0.04 | 0.99 | 0.05 | |
T2 | 0.35 | 0.03 | 0.72 | 0.02 | 0.84 | 0.03 | 0.98 | 0.03 | ||
Motor cortex (BA4) | L | T1 | 0.36 | 0.03 | 0.71 | 0.03 | 0.82 | 0.03 | 1 | 0.04 |
T2 | 0.38 | 0.02 | 0.7 | 0.02 | 0.82 | 0.02 | 1.01 | 0.03 | ||
R | T1 | 0.36 | 0.03 | 0.72 | 0.02 | 0.83 | 0.02 | 1.02 | 0.04 | |
T2 | 0.36 | 0.03 | 0.71 | 0.03 | 0.82 | 0.03 | 1 | 0.05 | ||
Somatosensory cortex | L | T1 | 0.4 | 0.05 | 0.72 | 0.03 | 0.84 | 0.04 | 1.05 | 0.06 |
T2 | 0.4 | 0.06 | 0.72 | 0.03 | 0.84 | 0.04 | 1.06 | 0.07 | ||
R | T1 | 0.4 | 0.06 | 0.73 | 0.04 | 0.84 | 0.04 | 1.07 | 0.06 | |
T2 | 0.4 | 0.06 | 0.73 | 0.03 | 0.84 | 0.03 | 1.07 | 0.07 | ||
Parietal lobe | L | T1 | 0.34 | 0.03 | 0.75 | 0.04 | 0.87 | 0.04 | 1.03 | 0.04 |
T2 | 0.36 | 0.04 | 0.75 | 0.04 | 0.88 | 0.04 | 1.05 | 0.04 | ||
R | T1 | 0.34 | 0.02 | 0.78 | 0.03 | 0.89 | 0.04 | 1.06 | 0.05 | |
T2 | 0.34 | 0.03 | 0.77 | 0.04 | 0.89 | 0.04 | 1.05 | 0.04 | ||
Temporal lobe | L | T1 | 0.27 | 0.03 | 1.08* | 0.13 | 1.19* | 0.14 | 1.37* | 0.14 |
T2 | 0.26 | 0.03 | 1.18 | 0.15 | 1.29 | 0.15 | 1.48 | 0.15 | ||
R | T1 | 0.27 | 0.02 | 1.15* | 0.21 | 1.27* | 0.22 | 1.45* | 0.25 | |
T2 | 0.26 | 0.04 | 1.21 | 0.21 | 1.33 | 0.22 | 1.5 | 0.23 | ||
Occipital lobe | L | T1 | 0.35 | 0.07 | 0.8 | 0.2 | 0.92 | 0.2 | 1.09 | 0.21 |
T2 | 0.34 | 0.09 | 0.82 | 0.21 | 0.94 | 0.2 | 1.11 | 0.19 | ||
R | T1 | 0.34 | 0.03 | 0.77 | 0.09 | 0.88 | 0.1 | 1.05 | 0.13 | |
T2 | 0.35 | 0.05 | 0.77 | 0.09 | 0.89 | 0.1 | 1.06 | 0.11 |
*Indicates significant change between T1 and T2, p<0.05.
AD, axial diffusivity; ALS, amyotrophic lateral sclerosis; FA, fractional anisotropy; L, left; MD, mean diffusivity; R, right; RD, radial diffusivity.