Figure 5From: Pure phase-locking of beta/gamma oscillation contributes to the N30 frontal component of somatosensory evoked potentialsMean histogram of the spontaneous phase of beta oscillation. Mean and SD of phase histograms (same data as in Fig. 3, but calculated here on each individual subject). A, histogram before stimulus (at -60 ms). B, histogram after stimulus (at 30 ms).Back to article page