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Self-motion perception influences number processing: evidence from a parity task

Hartmann, Matthias ; Farkas, Réka ; Mast, Fred

In: Cognitive Processing, 2012, vol. 13, p. 189-192

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    Titre
    • Self-motion perception influences number processing: evidence from a parity task
    Auteur
    • Hartmann, Matthias. Department of Psychology, University of Bern, Muesmattstrasse 45, 3000, Bern, Switzerland
    • Farkas, Réka. Department of Psychology, University of Bern, Muesmattstrasse 45, 3000, Bern, Switzerland
    • Mast, Fred. Department of Psychology, University of Bern, Muesmattstrasse 45, 3000, Bern, Switzerland
    Type de document
    • Postprint
    Identifiant OAI-PMH
    • oai:doc.rero.ch:318539
    Summary
    We investigated the role of horizontal body motion on the processing of numbers. We hypothesized that leftward self-motion leads to shifts in spatial attention and therefore facilitates the processing of small numbers, and vice versa, we expected that rightward self-motion facilitates the processing of large numbers. Participants were displaced by means of a motion platform during a parity judgment task. We found a systematic influence of self-motion direction on number processing, suggesting that the processing of numbers is intertwined with the processing of self-motion perception. The results differed from known spatial numerical compatibility effects in that self-motion exerted a differential influence on inner and outer numbers of the given interval. The results highlight the involvement of sensory body motion information in higher-order spatial cognition