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. 2022 May 24;38(10):1183–1198. doi: 10.1007/s12264-022-00884-z

Fig. 3.

Fig. 3

Amplitudes of theta oscillations around saccade onset. A Population averages of amplitudes of V4 LFPs at theta frequencies during search periods with significant theta oscillations. Red line, theta amplitudes on each individual trial were calculated first and then averaged across all trials in all V4 LFPs; blue line, epochs around saccade onsets of an LFP were averaged to generate a saccade onset triggered average of the LFP, and theta amplitude of this saccade-triggered average was calculated, then the theta amplitudes of the saccade-triggered averages were averaged across all V4 LFPs. The SEM of the theta amplitudes is marked by the shading above and below the averages. B Averaged theta amplitudes in V4. Gray bar, averaged theta amplitude in a 500-ms window (from 700 ms to 200 ms before search array onset) in Cue periods with significant theta oscillations (Wilcoxon signed-rank test, P < 0.001; n = 136). The SEM of these averages is marked by error bars. Formats in C and D are the same as in A and B, except for FEF LFPs with significant theta oscillations.