Integration biases in the Ouchi and other visual illusions

Mather, George (2000) Integration biases in the Ouchi and other visual illusions. Perception, 29 (6). pp. 721-727. ISSN 0301-0066

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Item Type:Article
Item Status:Live Archive

Abstract

A texture pattern devised by the Japanese artist H Ouchi has attracted wide attention because of the striking appearance of relative motion it evokes. The illusion has been the subject of several recent empirical studies. A new account is presented, along with a simple experimental test, that attributes the illusion to a bias in the way that local motion signals generated at different locations on each element are combined to code element motion. The account is generalised to two spatial illusions, the Judd illusion and the Zöllner illusion (previously considered unrelated to the Ouchi illusion). The notion of integration bias is consistent with recent Bayesian approaches to visual coding, according to which the weight attached to each signal reflects its reliability and likelihood.

Keywords:article, Bayes theorem, human, movement perception, physiology, visual illusion, visual system, Bayes Theorem, Humans, Motion Perception, Optical Illusions, Visual Pathways
Subjects:B Subjects allied to Medicine > B140 Neuroscience
C Biological Sciences > C830 Experimental Psychology
Divisions:College of Social Science > School of Psychology
ID Code:16117
Deposited On:03 Dec 2014 16:27

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