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| Research article summary (published 30 Oct 2002): |
Gestalt grouping and common onset masking.
Full Abstract
A four-dot mask that surrounds and is presented simultaneously with a briefly presented target will reduce a person's ability to identity that target if the mask persists beyond target offset and attention is divided (Enns & Di Lollo, 1997, 2000). This masking effect, referred to as common onset masking, reflects reentrant processing in the visual system and can best be explained with a theory of object substitution (Di Lollo, Enns, & Rensink, 2000). In the present experiments, we investigated whether Gestalt grouping variables would influence the strength of common onset masking. The results indicated that (1) masking was impervious to grouping by form, similarity of color, position, luminance polarity, and common region and (2) masking increased with the number of elements in the masking display.
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Author information
Author/s: Kahan, Todd A (TA); Mathis, Katherine M (KM);
Affiliation: University of Southern Mississippi, Hattiesburg, Mississippi, USA. tkahan@bates.edu
Journal and publication information
Publication Type: Journal Article
Journal: Perception & psychophysics (Percept Psychophys), published in United States. (Language: eng)
Reference: 2002-Nov; vol 64 (issue 8) : pp 1248-59
Dates: Created 2003/01/09; Completed 2003/02/13; Revised 2004/11/17;
PMID: 12519023, 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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