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Some recent studies on the extraretinal contribution to distance perception

Mon-Williams, M. and Tresilian, J.R. (1999) Some recent studies on the extraretinal contribution to distance perception. Perception, 28 (2). pp. 167-181. ISSN 0301-0066

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Published Version: http://dx.doi.org/10.1068/p2737

Abstract

Some recent studies on the extraretinal contribution to distance perception are reviewed. These experiments demonstrate that vergence can provide reliable information for judgments on the distance of proximal targets in the absence of all other cues. We argue that, although vergence is an unreliable cue at large fixation distances and is subject to a strong contraction bias when studied in isolation, these facts do not imply a minor role for vergence in near-space perception. When additional depth and distance cues are added, the contribution of vergence information becomes more complicated. We present results which indicate that the different cues to depth and distance are combined in a manner that can result in unexpected distortions of visual space. A simple heuristic model which can produce the observed distortions is outlined.

Item Type: Article
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Medicine and Health (Leeds) > Institute of Psychological Sciences (Leeds) > Cognitive Psychology (Leeds)
Depositing User: Repository Officer
Date Deposited: 26 Jun 2009 09:31
Last Modified: 29 Sep 2010 14:24
Published Version: http://dx.doi.org/10.1068/p2737
Status: Published
Publisher: Pion LTD
Identification Number: 10.1068/p2737
URI: http://eprints.whiterose.ac.uk/id/eprint/8697

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