Table 1.
Pearson’s correlations for local FC of the basal ganglia and measures of fatigue.
| FSS | T2 RT | T3 RT | T2 Force | T3 Force | |||
|---|---|---|---|---|---|---|---|
| FSS | 0.476** | 0.38* | −0.20 | −0.10 | |||
| Intrinsic alertness | HC | Caudate-Putamen | −0.22 | −0.19 | −0.16 | −0.08 | −0.06 |
| Caudate-Pallidum | −0.24 | −0.21 | −0.18 | −0.10 | −0.07 | ||
| Putamen-Pallidum | −0.36* | −0.38* | −0.20 | −0.12 | −0.08 | ||
| MS | Caudate-Putamen | −0.23 | −0.21 | −0.18 | −0.11 | −0.08 | |
| Caudate-Pallidum | −0.24 | −0.22 | −0.19 | −0.13 | −0.10 | ||
| Putamen-Pallidum | −0.38* | −0.42** | −0.30 | −0.20 | −0.16 | ||
| Extrinsic alertness | HC | Caudate-Putamen | −0.19 | −0.18 | −0.13 | −0.07 | −0.02 |
| Caudate-Pallidum | −0.21 | −0.20 | −0.14 | −0.09 | −0.02 | ||
| Putamen-Pallidum | −0.28 | −0.25 | −0.18 | −0.06 | −0.05 | ||
| MS | Caudate-Putamen | −0.21 | −0.18 | −0.15 | −0.09 | −0.05 | |
| Caudate-Pallidum | −0.22 | −0.21 | −0.17 | −0.11 | −0.06 | ||
| Putamen-Pallidum | −0.30 | −0.29 | −0.21 | −0.13 | −0.09 |
HC n = 36; MS n = 37, * p < 0.05, ** p < 0.01. HC = healthy control, MS = multiple sclerosis, FSS=Fatigue Severity Scale, T2 = intrinsic alertness, T3 = extrinsic alertness, RT = reaction time.