Table 3 The comparison of mean inter-regional connectivity strength (mean phase-lag index (m-PLI)) between the pre-test and post-test for the error amplification (EA) and control groups.

Control

0.163 ± 0.001

0.162 ± 0.002

Wilks’ Λ = 0.873, p = 0.551

0.135 ± 0.001

0.136 ± 0.002

η_p² = 0.127

0.116 ± 0.004

0.117 ± 0.001

EA

0.165 ± 0.001

0.158 ± 0.002^a

Wilks’ Λ = 0.594, p = 0.045

t₁₇ = −2.861, p = 0.011, η_p² = 0.325

0.137 ± 0.002

0.132 ± 0.001^a

η_p² = 0.406

t₁₇ = −2.424, p = 0.027, η_p² = 0.257

0.118 ± 0.001

0.117 ± 0.001

t₁₇ = −1.795, p = 0.090, η_p² = 0.159