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|Title:||Vertical-disparity gradients are processed independently in different depth planes|
|Authors:||Duke, P. A.|
Howard, I. P.
|Citation:||Vision Research, 2005, 45 (15), pp.2025-2035|
|Abstract:||We examined the effects of vertical-disparity gradients on apparent depth curvature of textured surfaces. In Experiment 1, vertical disparities induced expected curvatures when the surface had a horizontal disparity of < ±40.34′. A central row of elements, lacking vertical disparities, ceased to have the same apparent curvature as the surface when the horizontal disparity between row and surface exceeded ±5′. In Experiment 2, vertical disparities were not pooled between superimposed surfaces separated by horizontal disparities > ±10′. Thus, vertical-disparity gradients are not pooled over depth for curvature perception. Our results suggest that vertical disparities are used to determine distances to surfaces directly, rather than to estimate vergence.|
|Appears in Collections:||Published Articles, School of Psychology|
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