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. 2020 Nov 19;37(3):323–338. doi: 10.1007/s12264-020-00606-3

Fig. 3.

Fig. 3

M1-SNr coherence, Granger causality, and quantification of target frequency bands by group. A Linear graph of M1-SNr coherence within the range 0 Hz–50 Hz before (off, dotted line) and after L-dopa (on, full curve) administration for the Sham (black), PD (blue), and LID (red) groups. B Inter-group comparisons of mean θ and high β coherence values. C Linear graph showing SNr → M1 causality before (off) and after (on) L-dopa administration (range, 0 Hz–50 Hz). D Inter-group comparisons of mean θ and high β band causality (SNr → M1). E Linear graph showing M1 → SNr causality before (off) and after (on) L-dopa administration (range, 0 Hz–50 Hz). F Inter-group comparisons of mean M1 → SNr causality θ and β band values. All graphs show mean ± SEM; rmANOVA (L-dopa state × group) followed by Bonferroni’s post hoc, *P < 0.05, **P < 0.01, ***P < 0.001 (*within group; # vs. Sham; $ vs. LID).