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Developmental paths of the associations between visuospatial working memory and numerical processing.

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Summary
This summary is machine-generated.

Young children use spatial memory for number tasks, but this link fades with age. Symbolic number skills develop from non-symbolic abilities, not directly from spatial skills.

Keywords:
DevelopmentNon-symbolic quantity representationsSpatial short-term memorySpatial working memorySymbolic quantity representations

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Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Educational Technology

Background:

  • Spatial abilities are crucial for cognitive development.
  • Understanding the interplay between spatial skills and numerical processing is key to early math education.
  • Digital tools offer novel ways to study cognitive functions in children.

Purpose of the Study:

  • To investigate the relationship between spatial abilities and numerical processing in children.
  • To examine how age modulates the association between spatial and numerical skills.
  • To determine if symbolic numerical representations are directly linked to spatial abilities.

Main Methods:

  • Utilized a smartphone application to administer four tasks: spatial short-term memory, spatial working memory, non-symbolic comparison, and symbolic comparison.
  • Collected data from 541 children (mean age = 6.41 years).
  • Performed conjunction analysis and a unified model analysis to explore relationships and age effects.

Main Results:

  • Quantity comparison tasks showed a direct association with spatial short-term memory and, to a lesser extent, spatial working memory.
  • The strength of these associations decreased with increasing age, suggesting younger children rely more on spatial strategies.
  • In a unified model, no direct link was found between symbolic comparison and spatial abilities, although age influenced non-symbolic comparison.

Conclusions:

  • Spatial abilities, particularly short-term and working memory, are directly involved in early numerical processing, especially in younger children.
  • The reliance on spatial strategies for numerical tasks diminishes as children age.
  • Symbolic numerical representation appears to be built upon non-symbolic representation, rather than having a direct link to spatial abilities in early development.