Table 2

Summary of the results of the ANOVAs comparing the amplitude of the early AEP components of patients and control subjects, with factors of group, hemisphere and electrode (2 × 2 × 3)

Component	Time window, ms	Scalp region	Effects; p values

			Hemisphere	Group	Group × hemisphere
P₀	13–17	Frontocentral	0.310	0.031	0.457
P20	18–24	Central	0.016*	0.010	0.980
P_a	36–42	Frontocentral	0.072	0.001	0.433
P1	46–52	Frontocentral	0.256	0.014	0.535
N_p65	59–65	Parietooccipital	0.499	0.002	0.460
N1	88–98	Frontocentral	0.326	0.001	0.677

ANOVA = analysis of variance; AEP = auditory evoked potential.