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    Rapid parallel attentional target selection in single-color and multiple-color visual search

    Grubert, Anna and Eimer, Martin (2015) Rapid parallel attentional target selection in single-color and multiple-color visual search. Journal of Experimental Psychology: Human Perception and Performance 41 (1), pp. 86-101. ISSN 0096-1523.

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    Abstract

    Previous work has demonstrated that when targets are defined by a constant feature, attention can be directed rapidly and in parallel to sequentially presented target objects at different locations. We assessed how fast attention is allocated to multiple objects when this process cannot be controlled by a unique color-specific attentional template. N2pc components were measured as temporal markers of the attentional selection of 2 color-defined targets that were presented in rapid succession. Both targets either had the same color (one color task) or differed in color (two color task). Although there were small but systematic delays of target selection in the two color task relative to the one color task, attention was allocated extremely rapidly to both target objects in the two color task, which is inconsistent with the hypothesis that their selection was based on a slow switch between different color templates. Two follow-up experiments demonstrated that these delays did not reflect template switch costs, but were the result of competitive interactions between simultaneously active attentional templates. These results show that the control of focal attention during multiple-feature search operates much faster and more flexibly than is usually assumed.

    Metadata

    Item Type: Article
    Additional Information: This article may not exactly replicate the final version published in the APA journal. It is not the copy of record.
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Depositing User: Administrator
    Date Deposited: 23 Mar 2015 13:24
    Last Modified: 27 Jul 2019 14:43
    URI: http://eprints.bbk.ac.uk/id/eprint/11852

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