Participants
An a priori power analysis (within/between ANOVA) was conducted with G-Power 3.1 to define the sample size. The output showed a minimum sample size of 70 subjects (35 for each group) to obtain a significant effect on the dependent variable with an α = 0.05, power β = 0.90, and Cohen's F = 0.2.Seventy-two healthy volunteers (age Participants were randomly subdivided into two groups: Action Observation Training (AOT, 