P1-N2 HV (n = 30) MAtot (n = 47) MA (n = 27) MA+ (n = 20)
1st amplitude block (μV) 6.59 ± 3.16 7.00 ± 3.07 6.12 ± 2.65 8.18 ± 3.26
2nd amplitude block (μV) 6.49 ± 3.03 6.87 ± 3.26 5.88 ± 2.55 8.20 ± 3.70
3rd amplitude block (μV) 6.49 ± 2.94 6.62 ± 3.10 5.67 ± 2.66 7.91 ± 3.25
4th amplitude block (μV) 5.99 ± 2.85 6.32 ± 2.88 5.37 ± 2.36 7.60 ± 3.08
5th amplitude block (μV) 6.26 ± 2.59 6.84 ± 2.93 6.01 ± 2.45 7.96 ± 3.19
6th amplitude block (μV) 5.61 ± 2.86 6.50 ± 2.78 5.78 ± 2.70 7.47 ± 2.64
Slope −0.35 ± 0.73 −0.09 ± 0.42 −0.06 ± 0.47 −0.13 ± 0.35