Research Article

Neuromuscular Plasticity: Disentangling Stable and Variable Motor Maps in the Human Sensorimotor Cortex

Table 1

Right hemisphere: original group data of TMS parameters (resting motor threshold, the coordinates of the centre of gravity, mean map MEP amplitude, map area, and map volume) for six experimental sessions in the right, nondominant hemisphere of twelve subjects.

Session
Session 1Session 2Session 3Session 4Session 5Session 6

RMT (% MSO)43.1 ± 8.044.1 ± 8.644.2 ± 8.844.1 ± 8.443.0 ± 8.243.1 ± 8.4
CoG m-l (mm)60.7 ± 6.461.3 ± 3.860.9 ± 5.460.9 ± 4.360.7 ± 4.660.0 ± 4.4
CoG a-p (mm)109.0 ± 8.4108.9 ± 9.7108.0 ± 8.9107.3 ± 10.6107.2 ± 9.6105.7 ± 10.9
Mean map MEP amplitude (µV)255.6 ± 155.3240.7 ± 147.9165.3 ± 48.3227.5 ± 177.7190.9 ± 144.7227.5 ± 118.1
Map area (mm3)1795.6 ± 10062291.4 ± 1118.32306.8 ± 1979.81958.4 ± 1597.61522.7 ± 969.42299.5 ± 1125.5
Map volume (mm3µV)512772.6 ± 475433.5650398.9 ± 579946.1405527.8 ± 380330.5678479.5 ± 1120122.4331512.3 ± 345943.7579769.2 ± 444784.6

Mean ± SD.