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    Inter-trial and redundant-signals effects in visual search and discrimination tasks: separable pre-attentive and post-selective effects

    Krummenacher, J. and Grubert, A. and Muller, Hermann J. (2010) Inter-trial and redundant-signals effects in visual search and discrimination tasks: separable pre-attentive and post-selective effects. Vision Research 50 (14), pp. 1382-1395. ISSN 0042-6989.

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    Abstract

    Feature singleton search is faster when the target-defining dimension is repeated, rather than changed, across trials (Found & Müller, 1996). A similar dimension repetition benefit has been observed in a non-search (discrimination) task with a single stimulus (Mortier, Theeuwes, & Starreveld, 2005). Two experiments examined whether these effects in the two tasks originate from the same or different processing stages. Experiment 1 revealed differential feature-specific effects, and Experiment 2 differential processing of dimensionally redundant target signals between the two types of task. These dissociations support the existence of separable, pre-attentive and post-selective sources of inter-trial effects in the two tasks.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): Visual search, inter-trial effects, redundancy gain, pre-attentive processing, post-selective processing, race model inequality, Grice inequality
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
    Depositing User: Administrator
    Date Deposited: 31 Mar 2011 10:41
    Last Modified: 02 Aug 2023 16:54
    URI: https://eprints.bbk.ac.uk/id/eprint/3227

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