/Overall, at the MU level, we found an effect of time on power in alpha (F = 8.19; p = 0.004; η² = 0.51), power in beta (F = 29.86; p < 0.001; η² = 0.79) and power in gamma (F = 9.69; p = 0.002; η² = 0.55). At the brain level, there was a significant effect of time on power in beta (F = 17.28; p < 0.001, η² = 0.68) and gamma (F = 18.60; p < 0.001; η² = 0.70), but not alpha (F = 0.51; p = 0.61; η² = 0.06). There was no significant effect of time on the average discharge rate of decomposed units (F = 1.28; p = 0.304; η² = 0.14).