showed a trendp = 0.053
The 2 × 2 × 3 one-way ANOVA showed a significant main effect of Task ( F (1.572, 36.167) = 4.181, p = 0.031, f = 0.426) on the aperiodic exponent, where post hoc analysis with Bonferroni correction revealed no significant change during the finger-to-nose task as compared to rest ( p = 0.553), but showed a trend towards a significant increase during speech as compared to rest ( p = 0.053).