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| Research article summary (published 30 Dec 2002): |
Visual and haptic matching of perceived orientations of lines.
Full Abstract
In this study we investigated the perception and production of line orientations in a vertical plane. Previous studies have shown that systematic errors are made when participants have to match oblique orientations visually and haptically. Differences in the setup for visual and haptic matching did not allow for a quantitative comparison of the errors. To investigate whether matching errors are the same for different modalities, we asked participants to match a visually presented orientation visually, haptically with visual feedback, and haptically without visual feedback. The matching errors were the same in all three matching conditions. Horizontal and vertical orientations were matched correctly, but systematic errors were made for the oblique orientations. The errors depended on the viewing position from which the stimuli were seen, and on the distance of the stimulus from the observer.
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Author information
Author/s: Hermens, Frouke (F); Gielen, Stan (S);
Affiliation: Department of Biophysics, University of Nijmegen, Geert Grootteplein 21, NL 6525 EZ Nijmegen, The Netherlands. froukeh(-atsign-)mbfys.kun.nl
Journal and publication information
Publication Type: Journal Article
Journal: Perception (Perception), published in England. (Language: eng)
Reference: 2003-; vol 32 (issue 2) : pp 235-48
Dates: Created 2003/04/16; Completed 2003/06/04; Revised 2004/11/17;
PMID: 12696667, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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