Table 2 Paired associative stimulation induced time dependent changes in motor evoked potential amplitude (mV)
BaselineT0T30T60
Controls
    APB0.9 (0.07)1.2 (0.07)**1.3 (0.1)**1.4 (0.1)**
    FDI0.9 (0.1)1.02 (0.1)1.03 (0.1)**1.04 (0.1)
HFS
    APB0.7 (0.04)1.03 (0.07)**1.03 (0.07)**1.04 (0.1)**
    FDI0.8 (0.08)0.8 (0.08)0.8 (0.1)0.9 (0.1)
Dystonia
    APB0.8 (0.05)1.5 (0.1)***1.6 (0.2)***1.8 (0.2)***
    FDI0.8 (0.09)1.3 (1)***1.4 (0.2)***1.3 (0.1)***
  • Data are mean (SEM).

  • **p<0.01, ***p<0.001, paired t test.

  • APB, abductor pollicis brevis; FDI, first dorsal interosseus; HFS, hemifacial spasm muscle.