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A representative time-dependent coherence estimate for the FDS-FDI muscle pair (subject 10). Analysis (type 2; sp2a2_m1.m function in Neurospec) was done using 10 offset values from 0 to 1,000 ms in 100-ms increments. For this subject, increased coherence in α-band was observed in task 3 (and earlier phase in task 1), but not in task 2 (task × phase interaction). Also for all three tasks, γ-band coherence increased during later phase (>500 ms) (phase effect).
