Table 2

Values of reaction times (RT) and movement times (MT) (ms)

ParameterPD groupControl group
RT in control movements616 (16)634 (13)
MT in control movements1225(18)1103(16)
RT1 (switching trials)507 (8)522 (6)
RT2 (switching trials)926 (10)838 (10)
RT2/RT1 1.93 (0.02)1.67 (0.02)2-150
MT2-151 1841 (32)1742 (40)
MT1 608 (8)505 (8)**
RT in direct movements1032 (23)1027 (27)
  • 2-150 p<0.05; **p<0.08.

  • 2-151 Values (means (SEMs)) are given for configuration OAB. MTs in other switching configurations have comparable values. In all cases, patients with Parkinson’s disease (PD) are slightly slower than controls.