Table 4. Mean (SD) beta weights and p-values for imagined walking in FoG− and FoG+, normalized to rest.
FoG-mean (SD)# | FoG+mean (SD)# | FoG−/FoG+ comparison (p)$ | |
Right SMA | 0.25 (0.23) * | 0.04 (0.12) | 0.08 |
Left SMA | 0.23 (0.19) ** | 0.10 (0.18) | 0.11 |
Right putamen | 0.21 (0.25) * | 0.11 (0.35) | 0.38 |
Left putamen | 0.18 (0.31) | 0.07 (0.25) | 0.19 |
Right GP | 0.15 (0.11) ** | −0.03 (0.11) | 0.01 |
Left GP | 0.04 (0.11) | −0.05 (0.16) | 0.80 |
Right MLR | 0.03 (0.12) | −0.18 (0.18) * | 0.08 |
Left MLR | 0.01 (0.10) | −0.13 (0.23) | 0.18 |
CLR | 0.04 (0.18) | −0.04 (0.12) | 0.20 |
Paired sample t-test comparing gait and rest beta weights.
Repeated Measures ANCOVA with MDS-UPDRS and imagined gait velocity as co-variates: p-value for Group effects shown.
*Significantly different from rest at p = 0.05 level.
**Significantly different from rest at p = 0.01 level.
Abbreviations: SMA: supplementary motor area, GP: globus pallidus, MLR: mesencephalic locomotor region, CLR: cerebellar locomotor region.