marginally significant tendencyp = 0.06
In general, the ST group had a significantly higher P300 amplitude compared with the TT group ( F (1,7) = 6.0, p = 0.04) and a marginally significant tendency toward a decrease in the P300 amplitude across sessions (Wilk’s λ = 0.25, F (3,5) = 4.9, p = 0.06).