Table 1 Latencies (msec) and first block amplitudes (μV) of the LEPs complex detected after V1 and hand stimulation (mean ± standard deviation)

N1 latency, V1

133.7 ± 14.4

129.4 ± 13.4

138.9 ± 11.9

N2/P2 latency, V1

172.5 ± 10.0

166.3 ± 7.1

175.9 ± 16.7

N1 latency, hand

162.7 ± 22.2

161.8 ± 20.8

172.9 ± 22.5

N2/P2 latency, hand

200.5 ± 16.1

199.8 ± 16.4

212.1 ± 19.5

N1 amplitude, V1

5.2 ± 4.1

8.7 ± 4.2

10.0 ± 4.1

MO (T0) vs HV, p = 0.0047 (p = 0.009*)

MO (T0) vs MO (T1), p = 0.03

MO (T1) vs HV, NS (p = 0.26)

N2/P2 amplitude, V1

31.2 ± 18.5

34.1 ± 13.0

38.2 ± 9.3

MO (T0) vs HV, p = 0.0043 (p = 0.008*)

MO (T0) vs MO (T1), NS (p = 0.34)

MO (T1) vs HV, NS (p = 0.29)

N1 amplitude, hand

6.1 ± 4.7

6.3 ± 5.3

10.3 ± 5.1

MO (T0) vs HV, p = 0.018 (p = 0.036*)

MO (T0) vs MO (T1), NS (p = 0.75)

MO (T1) vs HV, p = 0.014 (p = 0.028*)

N2/P2 amplitude, hand

33.3 ± 17.6

34.7 ± 14.2

42.2 ± 18.0

MO (T0) vs HV, NS (p = 0.14)

MO (T0) vs MO (T1), NS (p = 0.70)

MO (T1) vs HV, NS (p = 0.34)