Table 5.

Hand movement kinematics during track-intercept task

PD patientsControlsTwo-sample unpaired t tests
Latency (ms)
Peak velocity (cm/s)
Interception error (deg)
712 ± 155
25.6 ± 4.7
4.4 ± 1.6
868 ± 199
32.0 ± 8.1
4.4 ± 1.2
t(24.5) = 2.38; p = 0.03; d = 0.88a
t(20.2) = 2.55; p = 0.02; d = 0.95a
t(27.1) = 0.13; p = 0.90; d = 0.05
  • aSignificant results.