Neal Dykmans

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An orbiting ray pattern produces an unexpected gray disk. Here we demonstrate this visual effect and its possible insights into visual temporal integration. Figure 1 shows a set of black and white ray patterns, which when moved in a circular orbit generate the percept of a smaller uniform gray disk within the ray pattern. This phenomenon was shown to us by(More)
We present a rare example of peripheral vision being better than foveal vision, based upon Dmax (Braddick, Vision Res. 1974). A field of dense random dots jumps clockwise around a circular orbit while remaining upright (without rotating). Viewed foveally, the field appears to "twinkle" randomly (like dynamic visual noise). In peripheral vision, the circling(More)
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