Movie 9.

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DOI: 10.1167/13.10.22.M9

The left panel shows the motion of the field and the stimulus relative to the retina. A retinal landmark is indicated by the white diamond. The right panel indicates how the field and stimulus are perceived to move as per the model in the supplementary discussion section. Settings: field: gain = 1, angle = 340; stimulus: gain = 2, angle = 20. In this simulation, the field and the stimulus are moving in different directions relative to each other and relative to eye motion. The field is nearly stabilized on the retina, and the stimulus is moving in a direction that is nearly in advance of eye motion. This corresponds to percepts reported for these stimulus parameters in earlier experiments not reported here.