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. Author manuscript; available in PMC: 2010 Oct 12.
Published in final edited form as: Neuron. 2009 Apr 30;62(2):291–303. doi: 10.1016/j.neuron.2009.03.012

Figure 8. Effect of TMS on spatial coherence.

Figure 8

A) Average levels of inter-electrode LFP coherence (Cxy) during the pre-TMS baseline period for spontaneous (solid) and evoked (dotted) activity (n = 34 trials). Error bars signify ±1 s.e.m. Asterisks indicate significantly greater coherence during evoked activity (sign-rank test, p<0.05, corrected). B) Spectrograms displaying the change in inter-electrode coherence (ΔCxy) for spontaneous (top) and evoked (bottom) LFPs. ΔCxy is expressed as a percent change from baseline. C) Average ΔCxy for different time intervals and frequency bands. Significant changes in spontaneous (left) and evoked (right) coherence are denoted with asterisks (p<0.05, sign-rank test, corrected).