Fig. 4

Dynamics of visual coding for orientation, spatial frequency, color, and contrast at a 20.00 Hz stimulus presentation rate with varying electrode density. (A) The time course of decoding accuracy for orientation with varying electrode density at a 20.00 Hz presentation rate. Confidence intervals for the onsets and peaks of individual electrode densities are plotted above the decoding traces. The head maps illustrate the channel clusters with the highest feature information at the peak of decoding, based on results from a channel searchlight analysis. Bayes Factors for classification evidence compared to chance (0.25) are plotted below: grey denotes evidence for the null (BF < 0.1), white denotes inconclusive evidence (0.1 ≤ BF ≤ 10), and colored denotes strong evidence for above-chance decoding (BF > 10). In the bottom row, the correlation coefficient matrix across different electrode densities and the corresponding correlation coefficient bar plot are displayed. (B–D) Same as (A), but for spatial frequency (SF; B), color (C), and contrast (D).