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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Seeing while moving: measuring the online influence of action on perception.
    Author: Zwickel J, Grosjean M, Prinz W.
    Journal: Q J Exp Psychol (Hove); 2007 Aug; 60(8):1063-71. PubMed ID: 17654391.
    Abstract:
    The online influence of movement production on motion perception was investigated. Participants were asked to move one of their hands in a certain direction while monitoring an independent stimulus motion. The stimulus motion unpredictably deviated in a direction that was either compatible or incompatible with the concurrent movement. Participants' task was to make a speeded response as soon as they detected the deviation. A reversed compatibility effect was obtained: Reaction times were slower under compatible conditions - that is, when motion deviations and movements went in the same direction. This reversal of a commonly observed facilitatory effect can be attributed to the concurrent nature of the perception-action task and to the fact that what was produced was functionally unrelated to what was perceived. Moreover, by employing an online measure, it was possible to minimize the contribution of short-term memory processes, which has potentially confounded the interpretation of related effects.
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