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Fig. 1 | Journal of NeuroEngineering and Rehabilitation

Fig. 1

From: Effects of somatosensory electrical stimulation on motor function and cortical oscillations

Fig. 1

a Schematic representation of the method used for calculating the FCI. The participant is instructed to flex only the index finger as much as possible without flexing the other digits. b FCI is defined mathematically as the angle traversed by the middle finger (digit A) divided by the angle tranversed by the index finger (digit B) relative to the horizontal starting position. c Statistically significant change in mean fractionation from baseline to immediately after peripheral nerve stimulation. Fractionation improvement is indicated by a decrease in finger coupling index (FCI)

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