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A unified approach to the perception of motion, stereo, and static-flow patterns

Studied perception of motion, stereopsis, and static flow (Glass) patterns using an extension of methods and stimuli by P. Werkhoven et al (1990), and S. Nishida and T. Takeuchi (1990). A forced-choice competition paradigm was incorporated into the random-dot stimuli paradigm, in 2 experiments. Exp 1 examined whether correspondence matching was dictated by covariance or similarity in stimulus space. Exp 2 extended Exp 1 and examined the effects of matching elements of opposite luminance polarity. Both experiments were applied to all 3 modalities of perception. Results verified a basic similarity among the 3 modalities, in that they were all governed by the same principle of covariance. There were important differences in the front-end mechanisms and processes across the modalities. The experiments illustrate typical uses of the proposed approach. (PsycINFO Database Record (c) 2005 APA, all rights reserved)



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