Fixation durations in natural scene viewing are guided by peripheral scene content.

According to follow-up tests, the difference between color conditions was statistically significant for the zero-contrast condition, t (19) = 5.61, p < 0.001; at 10% contrast the effect of color just failed to be significant, t (19) = 2.07, p = 0.052, whereas it disappeared for higher contrast levels, all t (19) < 0.87, all p > 0.39.

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Importantly, when excluding the zero-contrast conditions, the main effects of contrast, F (3,57) = 69.2, p < 0.001, and color, F (1,57) = 18.7, p < 0.001, were still significant, whereas the interaction failed to reach statistical significance, F (3,57) = 2.32, p = 0.09.

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