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Sampling from the mental number line: how are approximate number system representations formed?

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journal contribution
posted on 12.07.2013 by Matthew Inglis, Camilla Gilmore
Nonsymbolic comparison tasks are commonly used to index the acuity of an individual’s Approximate Number System (ANS), a cognitive mechanism believed to be involved in the development of number skills. Here we asked whether the time that an individual spends observing numerical stimuli influences the precision of the resultant ANS representations. Contrary to standard computational models of the ANS, we found that the longer the stimulus was displayed, the more precise was the resultant representation. We propose an adaptation of the standard model, and suggest that this finding has significant methodological implications for numerical cognition research.

History

School

  • Science

Department

  • Mathematics Education Centre

Citation

INGLIS, M. and GILMORE, C., 2013. Sampling from the mental number line: how are approximate number system representations formed? Cognition, 129 (1), pp. 63 - 69.

Publisher

© Elsevier B.V.

Version

AM (Accepted Manuscript)

Publication date

2013

Notes

This article was published in the journal, Cognition [© Elsevier B.V.] and the definitive version is available at: http://dx.doi.org/10.1016/j.cognition.2013.06.003

ISSN

0010-0277

Language

en

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