The effect of spatial frequency and field size on the spread of exclusive visibility in binocular rivalry

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Abstract

We measured binocular rivalry between dichoptic, orthogonal, sinusoidal gratings-both having spatial frequencies of 0.5, 1, 2, 4, 8 or 16 c deg -1 in fields ranging from 0.5 to 8 deg of visual angle in diameter. Total time that one or the other grating was exclusively visible had an inverted U-shaped relationship with spatial frequency, with the peak shifting to coarser spatial frequencies as the field size increased. We computed for each spatial frequency the maximum field size over which a criterion duration of exclusive visibility would spread. When expressed as areas, these sizes were inversely proportional to spatial frequency. This dependence of rivalry on spatial, frequency is similar to those for stereopsis and fusion, consistent with the notion that all three binocular phenomena have a common mechanism.

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O’Shea, R. P., Sims, A. J. H., & Govan, D. G. (1997). The effect of spatial frequency and field size on the spread of exclusive visibility in binocular rivalry. Vision Research, 37(2), 175–183. https://doi.org/10.1016/S0042-6989(96)00113-7

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