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

Table 2

Left 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 left, dominant hemisphere of six subjects.

	Session
	Session 1	Session 2	Session 3	Session 4	Session 5	Session 6
RMT (% MSO)	42.3 ± 7.9	44.7 ± 7.4	44.7 ± 7.8	43.7 ± 7.9	44.3 ± 10.2	43.7 ± 8.7
CoG m-l (mm)	134.5 ± 6.2	135.5 ± 5.9	135.3 ± 7.2	133.9 ± 8.2	132.2 ± 7.2	131.0 ± 7.3
CoG a-p (mm)	108.9 ± 11.3	109.4 ± 9.5	106.9 ± 8.5	111.7 ± 8.2	112.4 ± 7.7	111.3 ± 8.9
Mean map MEP amplitude (µV)	242.5 ± 98.9	269.6 ± 106.8	275.5 ± 142.7	227.9 ± 122.7	209.5 ± 140.9	179.4 ± 53.1
Map area (mm^3)	1726.8 ± 1359.7	1805 ± 839.8	2134.0 ± 1530.9	1616.3 ± 1132.3	1818.5 ± 667.4	1491.5 ± 614.9
Map volume (mm^3µV)	442868.3 ± 470689.2	468965.8 ± 268648.9	531075.8 ± 324023.0	448895.9 ± 498086.2	381524.2 ± 239264.6	258593.3 ± 100338.3

Mean ± SD.