Notes. N2 = maximal amplitude for Nogo N2 signal. P3a = mean amplitude of Nogo P3a signal. P3b = mean amplitude of Nogo P3b signal. IES = inverse efficiency score. Go RT = mean reaction time in Go trials in ms. Nogo accuracy = proportion of correct responses in Nogo trials. OCI = sum score Obsessive Compulsive Inventory Revised; BIS = sum score Barratt Impulsiveness Scale.
p = uncorrected p values.