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Fig. 5 | Journal of NeuroEngineering and Rehabilitation

Fig. 5

From: A compact system for simultaneous stimulation and recording for closed-loop myoelectric control

Fig. 5

Illustration of the developed feedback-coding scheme. The blue circles represent electrode pads, which are connected in groups activated together (black lines), and the orange toned rings indicate the levels of amplitude and frequency. The level of wrist rotation was communicated by activation of four neighboring pads. Supination and pronation were conveyed by activating groups of pads on the lateral and medial side of the forearm, respectively. A decrease in hand aperture was communicated by a simultaneous increase of the amplitude and frequency of the currently active group of pads. No stimulation was provided at neutral position, i.e. neutral wrist and hand fully opened

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