a decreasing trendp = 0.001
In the group, significant differences between baseline and Task 2, with a decreasing trend, were found for LnLF (Z = −3.189, p = 0.001, r = 0.38), LnHF (Z = −2.726, p = 0.005, r = 0.32) and CI (Z = −2.317, p = 0.02, r = 0.27).