Cross-Dimensional Mapping of Number, Length and Brightness by Preschool Children

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Cross-Dimensional Mapping of Number, Length and Brightness by Preschool Children

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Title: Cross-Dimensional Mapping of Number, Length and Brightness by Preschool Children
Author: de Hevia, Maria Dolores; Vanderslice, Monica; Spelke, Elizabeth S.

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Citation: de Hevia, Maria Dolores, Monica Vanderslice, and Elizabeth S. Spelke. 2012. Cross-dimensional mapping of number, length and brightness by preschool children. PLoS ONE 7(4): e35530.
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Abstract: Human adults in diverse cultures, children, infants, and non-human primates relate number to space, but it is not clear whether this ability reflects a specific and privileged number-space mapping. To investigate this possibility, we tested preschool children in matching tasks where the dimensions of number and length were mapped both to one another and to a third dimension, brightness. Children detected variation on all three dimensions, and they reliably performed mappings between number and length, and partially between brightness and length, but not between number and brightness. Moreover, children showed reliably better mapping of number onto the dimension of length than onto the dimension of brightness. These findings suggest that number establishes a privileged mapping with the dimension of length, and that other dimensions, including brightness, can be mapped onto length, although less efficiently. Children's adeptness at number-length mappings suggests that these two dimensions are intuitively related by the end of the preschool years.
Published Version: doi:10.1371/journal.pone.0035530
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3334896/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10384895
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