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| Research article summary (published 30 Jan 2003): |
Sources of interference in the attentional blink: target-distractor similarity revisited.
Full Abstract
Observers monitored streams of words or letters (10 items/sec) for one or two targets. An attentional blink (AB) effect was observed in which identification of the first target temporarily impaired identification of the second target. Target identification was impaired when the distractors were composed of either letters or false-font characters (cf. Maki, Couture, Frigen, & Lien, 1997). An asymmetrical AB effect was observed with letters and mathematical symbols; the AB effect was largest for symbol targets and letter distractors. The characters used in these experiments were rated on their meaningfulness, familiarity, and other stimulus properties. The rating data showed that pixel density best accounted for the asymmetrical target-distractor similarity effects. Modulation of the AB effect by target-distractor similarity appears to result partly from low-level masking. But masking effects may be reduced by attentional capture by target features.
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Author information
Author/s: Maki, William S (WS); Bussard, Giulia (G); Lopez, Kellie (K); Digby, Beth (B);
Affiliation: Department of Psychology, Texas Tech University, Lubbock, Texas 79409-2051, USA. bill.maki(-atsign-)ttu.edu
Journal and publication information
Publication Type: Journal Article
Journal: Perception & psychophysics (Percept Psychophys), published in United States. (Language: eng)
Reference: 2003-Feb; vol 65 (issue 2) : pp 188-201
Dates: Created 2003/04/25; Completed 2003/05/14; Revised 2004/11/17;
PMID: 12713238, 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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