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. 2003 Feb 21;100(5):2691–2694. doi: 10.1073/pnas.0437944100

Figure 2.

Figure 2

(A) Time-frequency representations of the PLVs for all planar gradiometers of subject S4. The reference channel (REF) is located over the SIL, and all PLVs were computed in relation to this channel. The enlargements on the right are from the encircled channels, located over the SIIR (a) and the midline (b). For all plotted values, PLV > 0.17, P < 0.05. (B) The topographic plot on the lower right corner shows the spatial distribution of the averaged PLVs across 50–150 ms for the 18- to 22-Hz band, plotted on the helmet. Notice the absence of phase locking over the scalp midline.