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  • Dividing attention in the flash-lag illusion

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    46512.pdf (95.25Kb)
    Author(s)
    Sarich, Dragica
    Chappell, Mark
    Burgess, Carly
    Griffith University Author(s)
    Chappell, Mark
    Sarich, Dragica
    Burgess, Carly
    Year published
    2007
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    Abstract
    A dual-task paradigm was used to examine the effect of withdrawing attentional and/or cognitive resources from the flash-lag judgment. The flash-lag illusion was larger, and performance in a detection task was generally poorer, under dual-task conditions than in single-task control conditions. These effects were particularly pronounced when decisions in the two tasks were required simultaneously, as compared to when they could be made sequentially. The results suggest that a time consuming process is involved in the flash-lag decision, of such a nature that prolonging the process increases the magnitude of the illusion.A dual-task paradigm was used to examine the effect of withdrawing attentional and/or cognitive resources from the flash-lag judgment. The flash-lag illusion was larger, and performance in a detection task was generally poorer, under dual-task conditions than in single-task control conditions. These effects were particularly pronounced when decisions in the two tasks were required simultaneously, as compared to when they could be made sequentially. The results suggest that a time consuming process is involved in the flash-lag decision, of such a nature that prolonging the process increases the magnitude of the illusion.
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    Journal Title
    Vision Research
    Volume
    47
    Issue
    4
    Publisher URI
    http://www.elsevier.com/wps/find/journaldescription.cws_home/263/description#description
    DOI
    https://doi.org/10.1016/j.visres.2006.09.029
    Copyright Statement
    © 2007 Elsevier. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Biomedical and clinical sciences
    Psychology
    Publication URI
    http://hdl.handle.net/10072/19924
    Collection
    • Journal articles

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