highly significantp < .001
A repeated‐measures ANOVA on mean amplitudes from 20 to 80 ms showed a highly significant Laterality effect, F (1, 30) = 119.34, p < .001, η p 2 = 0.80, an effect of Block, F (2, 60) = 4.35, p = .017, η p 2 = 0.13, and their interaction, F (2, 60) = 6.80, p = .002, η p 2 = 0.18.