Table 3B.
ALFF and motor performance in the PD group
Regions | F-band | stand.beta | p | stand.beta | p | ||
---|---|---|---|---|---|---|---|
Parkinson symptoms | R2=.34, F(5,29)=2.94, p=0.029 | correlation a | age contribution | ||||
(UPDRS-III on meds) | R2 change=.34, F(3,29)=4.90, p=0.007 | r | p | ||||
L. SMA, paracentral | LF | .347 | 0.031 | .39 | 0.027 | .060 | ns |
R. precentral, premotor | LF | .283 | 0.087 | .37 | 0.034 | ||
R. MOG | LF | −.299 | 0.076 | −.35 | 0.043 | ||
R2=54, F(5,29)=6.93, p<0.0001 | correlation a | age contribution | |||||
(UPDRS-III off meds) | R2 change=.47, F(3,29)=10.03, p<0.0001 | r | p | ||||
Caudate | HF | .305 | 0.026 | .36 | 0.037 | −.230 | 0.093 |
R. precentral, premotor | LF | .436 | 0.003 | .49 | 0.004 | ||
L. MOG | LF | .333 | 0.026 | .41 | 0.018 | ||
Ataxia | R2=50, F(5,29)=5.68, p=0.001 | correlation a | age contribution | ||||
(SARA on meds) | R2 change=.43, F(3,29)=9.21, p<0.0001 | r | p | ||||
L. putamen | LF | −.269 | 0.058 | −.35 | 0.048 | −.075 | ns |
L. dlPFC, dACC | LF | .452 | 0.006 | .37 | 0.033 | ||
L. SMA, paracentral | LF | .526 | 0.001 | .46 | 0.007 | ||
R2=65, F(8,25)=5.74, p<0.0001 | correlation a | age contribution | |||||
(SARA off meds) | R2 change=.60, F(6,25)=7.13, p<0.0001 | r | p | ||||
Putamen | LF | −.392 | 0.014 | −.48 | 0.006 | −.180 | ns |
Thalamus | M2 | −.423 | 0.005 | −.41 | 0.020 | ||
R. hippocampus | M1 | .417 | 0.019 | .35 | 0.049 | ||
L. hippocampus | M1 | .049 | ns | .35 | 0.051 | ||
L. MOG | LF | .241 | ns | .38 | 0.031 | ||
L. dlPFC, dACC | LF | .114 | ns | .41 | 0.019 |
Hierarchical multiple regression analyses tested the contribution (R2 change) of regional ALFF (step 2) while controlling for age and rs-fMRI motion (step 1).
Partial correlation controlling for age and rs-fMRI motion