From: Motor function in Parkinson's disease and supranuclear palsy: simultaneous factor analysis of a clinical scale in several populations
Residual correlation between
Finger taps
Hand movements
Rapid alternating movements
Leg Agility
On
Off
PSP
Right and left-hand side
0.13
0.20
0.30
0.11
0.09
0.24
0.29
0.16
0.42
0.57