Fig. 3

Directed functional connectivity measured with phase-transfer entropy (PTE). a CB subjects showed stronger directed connectivity in the alpha frequency band (8–12 Hz) from thalamus (Th) to V1 (p = 0.019) and from S1 to V1 (p = 0.05; two-tailed Wilcoxon rank-sum test, Bonferroni corrected). b SC subjects showed stronger PTE connectivity in the beta-band (12–30 Hz) directed from S1 (p = 0.027) and V1 (p = 0.021) to thalamus (two-tailed Wilcoxon rank-sum test, Bonferroni corrected)