Table 2.

Latencies (in milliseconds) of VEPs in healthy volunteers (HV), the total group of migraine with aura patients (MAtot) and its subgroups with pure visual aura (MA) or visual aura associated with paraesthesia and/or dysphasia (MA+). Data are expressed as means ± SD.

Electrophysiological parameters (ms)	HV (n = 30)	MAtot (n = 47)	MA (n = 27)	MA+ (n = 20)
N1 (N75)	76.5 ± 6.4	75.7 ± 5.2	75.4 ± 5.8	75.9 ± 4.6
P1 (P100)	103.5 ± 5.9	103.1 ± 6.7	102.9 ± 5.7	103.4 ± 8.0
N2 (145)	144.2 ± 10.4	141.7 ± 11.9	140.6 ± 9.6	142.6 ± 11.4