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. Author manuscript; available in PMC: 2019 Nov 21.
Published in final edited form as: Neuron. 2018 Oct 11;100(4):953–963.e3. doi: 10.1016/j.neuron.2018.09.019

Figure 2. ECoG coverage of areas V1 and V4, and spectra of visually induced power changes and of interareal synchronization.

Figure 2.

(A) Dots represent positions of ECoG recording sites on V1 and V4 in monkey K, projected onto a standard brain. Overlaid color map illustrates visually induced gamma-band activity in areas V1 and V4. Note that the color range is scaled separately per area, because visually induced gamma was substantially stronger in V1. (B) Same as A, but for monkey P. (C) Spectrum of visually induced power changes in V1, quantified as percent change relative to pre-stimulus baseline. (D) Same as C, but for monkey P. (E,F) Same as C,D, but for area V4. (G) Spectrum of V1-V4 synchronization in monkey K, as quantified by the pairwise phase consistency (PPC). (H) Same as G, but for monkey P. In C-F, for area V1 and area V4 separately, data were averaged over the top third of recording sites with the strongest visually induced gamma-band activity, because those sites were used for further analysis. Shaded areas around the curves show ±1 SEM across trials, averaged over monkeys.