Table 1

Motor evoked potentials from lingual muscles in 40 control subjects (80 sides)

Stimulus site
Angular rightAngular leftCortical leftCortical leftCortical rightCortical right
Recording sideRightLeftRightLeftRightLeft
Latency (ms):
 Range2.0–3.31.9–3.16.4–10.06.9–12.56.9–12.06.5–9.4
 Mean (SD)2.3 (0.32)2.2 (0.24)7.9 (0.92)8.7 (1.29)8.5 (1.31)8.0 (0.73)
Amplitude (mV):
 Range3.8–19.82.2–14.01.3–9.30.8–4.20.5–5.11.2–7.4
 Mean (SD)8.9 (3.24)8.3 (2.61)3.2 (1.49)2.0 (0.84)2.0 (1.0)2.8 (1.30)
CACT (ms):
 Range3.6–7.84.4–10.24.3–9.94.1–7.3
 Mean (SD)5.7 (1.06)6.5 (1.32)6.3 (1.45)5.8 (0.74)
Relative amplitudes (%):
 Range11.6–1008.5–89.45.0–72.914.8–100.0
 Mean (SD)38.8 (20.31)27.6 (16.37)24.5 (15.0)37.7 (21.89)
  • CACT = corticoangular conduction time.