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  • The effect of appropriate and inappropriate stimulus color on odor discrimination

    Author(s)
    Stevenson, Richard J
    Oaten, Megan
    Griffith University Author(s)
    Oaten, Megan
    Year published
    2008
    Metadata
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    Abstract
    Color can strongly affect participants' self-report of an odor's qualities. In Experiment 1, we examined whether color influences a more objective measure of odor quality, discrimination. Odor pairs, presented in their appropriate color (e.g., strawberry and cherry in red water), an inappropriate color (e.g., strawberry and cherry in green water), or uncolored water were presented for discrimination. Participants made significantly more errors when odors were discriminated in an inappropriate color. In Experiment 2, the same design was utilized, but with an articulatory suppression task (AST), to examine whether the effect ...
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    Color can strongly affect participants' self-report of an odor's qualities. In Experiment 1, we examined whether color influences a more objective measure of odor quality, discrimination. Odor pairs, presented in their appropriate color (e.g., strawberry and cherry in red water), an inappropriate color (e.g., strawberry and cherry in green water), or uncolored water were presented for discrimination. Participants made significantly more errors when odors were discriminated in an inappropriate color. In Experiment 2, the same design was utilized, but with an articulatory suppression task (AST), to examine whether the effect of color was mediated by identification or by a more direct effect on the percept. Here, the AST significantly improved discrimination for the inappropriate color condition, relative to Experiment 1. Although color does affect a more objective measure of odor quality, this is mediated by conceptual, rather than perceptual, means.
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    Journal Title
    Perception & Psychophysics
    Volume
    70
    Issue
    4
    DOI
    https://doi.org/10.3758/PP.70.4.640
    Subject
    Cognitive and computational psychology
    Publication URI
    http://hdl.handle.net/10072/61473
    Collection
    • Journal articles

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