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| Research article summary (published 30 Oct 2002): |
Saliency of peripheral targets in gaze-contingent multiresolutional displays.
Full Abstract
Gaze-contingent multiresolutional displays (GCMRDs) have been proposed to solve the processing and bandwidth bottleneck in many single-user displays, by dynamically placing high-resolution in a window at the center of gaze, with lower resolution everywhere else. The three experiments reported here document aslowing of peripheral target acquisition associated with the presence of a gaze-contingent window. This window effect was shown for displays using either moving video or still images. The window effect was similar across a resolution-defined window condition and a luminance-defined window condition, suggesting that peripheral image degradation is not a prerequisite of this effect. The window effect was also unaffected by the type of window boundary used (sharp or blended). These results are interpreted in terms of an attentional bias resulting in a reduced saliency of peripheral targets due to increased competition from items within the window. We discuss the implications of the window effect for the study of natural scene perception and for human factors research related to GCMRDs.
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Author information
Author/s: Reingold, Eyal M (EM); Loschky, Lester C (LC);
Affiliation: Department of Psychology, University of Toronto, Toronto, Ontario, Canada. reingold(-atsign-)psych.utoronto.ca
Journal and publication information
Publication Type: Journal Article
Journal: Behavior research methods, instruments, & computers : a journal of the Psychonomic Society, Inc (Behav Res Methods Instrum Comput), published in United States. (Language: eng)
Reference: 2002-Nov; vol 34 (issue 4) : pp 491-9
Dates: Created 2003/02/04; Completed 2003/03/03; Revised 2004/11/17;
PMID: 12564553, 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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