Fig. 2From: Sensory gating and suppression of subjective peripheral sensations during voluntary muscle contractiona A typical example of a somatosensory evoked potentials (SEPs) waveforms from a single participant (for 200 stimulations) during rest (solid black line) and contraction (gray dashed line). b, c The changes in average SEP amplitude for N20 (b) and N20-P25 (c) of all participants in both conditions. *P < 0.05Back to article page