The primary interest of the present study was to compare performance gains and neural adaptation the transfer task after stabilometer training for the two groups. For the practice session, paired t-test was used to examine the difference between standardized errors of the 2nd−12th rounds and that of the first round. Paired t-statistics were also used to compare the CEA between the pre-test and post-test in the SV and control groups. Multi-variate Hotelling's T-squared statistics were used to examine the group differences (pre-test vs. post-test) in the postural sway variables of the transfer task (RMS, MF, and SampEn in the AP and ML directions) in the SV and control groups. Likewise, Hotelling's T-squared statistics were also used to examine related differences in all MST variables of the three sub-bands (theta, alpha, and beta) of the transfer task between the pre-test and post-test in the two groups. The post-hoc test was the Simes test, which would not produce over-correction, unlike the Bonferroni test. For all post-hoc hypotheses (H=i=1m), the Simes test did not reject elementary Hi if pii*0.05/m for ordered unadjusted p-values (p1 ≤… ≤ pm). The type 1 error rate using the Simes test proved to be exactly 0.05. Data are presented as group means ± standard error. All statistical analyses were performed in IBM SPSS Statistics (v19). The level of significance was 0.05.

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