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. 2020 May 14;11:410. doi: 10.3389/fneur.2020.00410

Figure 1.

Figure 1

(A) The experimental setup with an enlarged photo of the forearm and hand configuration; (B) top view of the 64-channel g.GAMMAsys cap with 21 channels selected for CMCoh analysis; (C) the interface of visual feedback for real-time contraction level control: The fixed yellow midline is the target contraction level, and the red pointer shows the real-time muscular contraction level.