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Processing of numerical representation of fingers depends on their location in space

Abstract : Fingers can express quantities and thus contribute to the acquisition and manipulation of numbers as well as the development of arithmetical skills. As embodied entities, the processing of finger numerical configurations should, therefore, be facilitated when they match shared cultural representations and are presented close to the body. To investigate these issues, the present study investigated whether canonical finger configurations are processed faster than noncanonical configurations or spatially matched dot configurations, taking into account their location in the peripersonal or the extrapersonal space. Analysis of verbal responses to the enumeration of small and large numerosities showed that participants (N = 30) processed small numerosities faster than large ones and dots faster than finger configurations despite visuo-spatial matching. Canonical configurations were also processed faster than noncanonical configurations but for finger numerical stimuli only. Furthermore, the difference in response time between dots and fingers processing was greater when the stimuli were located in the peripersonal space than in the extrapersonal space. As a whole, the data suggest that, due to their motor nature, finger numerical configurations are not processed as simple visual stimuli but in relation to corporal and cultural counting habits, in agreement with the embodied framework of numerical cognition.
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Soumis le : lundi 3 mai 2021 - 10:02:35
Dernière modification le : mardi 4 mai 2021 - 03:23:47




Sébastien Vanstavel, Yann Coello, Sandrine Mejias. Processing of numerical representation of fingers depends on their location in space. Psychological Research, 2020, Psychological Research, ⟨10.1007/s00426-020-01436-8⟩. ⟨hal-03214998⟩



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