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. 2017 Apr 30;15:200–208. doi: 10.1016/j.nicl.2017.04.024

Table 3.

Mean fractional anisotropy in volumes of interest in callosal segments.

Subject Diagnosis Fractional anistropy
Ratio FA genu/splenium Ratio FA body/splenium SNR
Genu Body (motor) Splenium
1 Control 0.72 0.80 0.79 0.91 1.01 39.6
2 Control 0.65 0.67 0.71 0.92 0.94 41.5
3 ALS 0.53 0.62 0.73 0.73 0.85 27.6
4 ALS 0.69 0.55 0.68 1.01 0.81 23.1
5 ALS 0.54 0.47 0.61 0.89 0.77 6.6
6 ALS 0.78 0.67 0.78 1.00 0.86 16.6
ALS Mean ± SD 0.64 ± 0.12 0.58 ± 0.09 0.70 ± 0.07 0.91 ± 0.13 0.82 ± 0.04 18.5 ± 9.09

FA – fractional anisotropy; SNR – signal to noise ratio.