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Automatic non-symbolic numerosity processing in preschoolers

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  • Xiaoshuang Zhu
  • Yinghe Chen
  • Yanjun Li
  • Zhijun Deng

Abstract

There has recently been an increasing focus on the development of automatic processing of numerical magnitude. However, little effort has been made to explore automatic access to non-symbolic numerical magnitude in preschool children. In experiment 1, we used a non-symbolic physical size comparison task in 3- to 6-year-olds to examine developmental changes and the effect of ratio and counting principle knowledge. Results showed that the existence of automatic non-symbolic numerical processing began at age 3–4 years and size congruity effects tended to reduce with increasing age from 4 years old. The study also found that non-counting-principle knowers had a larger congruity effect, and in low ratio conditions the size congruity effect was more easily found. In addition, symbolic number comparison ability was negatively related to size congruity effect. In experiment 2, we explored the relationship between inhibition skill and size congruity effects, as well as interference and facilitatory components in children aged 4 years old. Results showed no correlation between inhibition skills and the size congruity effect and only interference effects were found. We also found a larger interference effect in low ratio conditions than in high ratio conditions.

Suggested Citation

  • Xiaoshuang Zhu & Yinghe Chen & Yanjun Li & Zhijun Deng, 2017. "Automatic non-symbolic numerosity processing in preschoolers," PLOS ONE, Public Library of Science, vol. 12(6), pages 1-17, June.
    • Handle: RePEc:plo:pone00:0178396
    DOI: 10.1371/journal.pone.0178396
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    References listed on IDEAS

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    1. Delphine Sasanguie & Bert Reynvoet, 2014. "Adults' Arithmetic Builds on Fast and Automatic Processing of Arabic Digits: Evidence from an Audiovisual Matching Paradigm," PLOS ONE, Public Library of Science, vol. 9(2), pages 1-6, February.
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