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    The initial stage of visual selection is controlled by top-down task set: new ERP evidence

    Ansorge, Ulrich and Kiss, Monika and Worschech, Franziska and Eimer, Martin (2011) The initial stage of visual selection is controlled by top-down task set: new ERP evidence. Attention, Perception and Psychophysics 73 (1), pp. 113-122. ISSN 1943-3921.

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    Abstract

    Salient visual singleton stimuli produce spatial cueing effects indicative of attentional capture only when they match current task sets, suggesting that capture is subject to top-down control. However, such task-set contingent capture effects could be associated with the top-down controlled disengagement of attention from non-matching stimuli that follows their initial bottom-up salience-driven selection. Using the N2pc component as an event-related potential marker of attentional capture, we demonstrate that top-down task set already controls the initial rapid selection of salient visual singleton stimuli prior to any subsequent attentional disengagement. These findings provide new evidence for the primacy of top-down control over bottom-up salience in attentional capture.

    Metadata

    Item Type: Article
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Depositing User: Administrator
    Date Deposited: 27 Jun 2011 13:45
    Last Modified: 11 Oct 2016 12:00
    URI: http://eprints.bbk.ac.uk/id/eprint/3558

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