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Related Experiment Videos

Testing the dynamic field theory: working memory for locations becomes more spatially precise over development.

Anne R Schutte1, John P Spencer, Gregor Schöner

  • 1Department of Psychology, University of Iowa, Iowa City 52242, USA. anne-schutte@uiowa.edu

Child Development
|October 14, 2003
PubMed
Summary

Children

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Area of Science:

  • Cognitive Development
  • Spatial Working Memory
  • Dynamic Field Theory

Background:

  • Dynamic Field Theory posits that working memory precision improves with age.
  • Biases in memory recall are influenced by spatial target separation.

Purpose of the Study:

  • To investigate how target separation affects spatial biases in children's working memory.
  • To examine developmental changes in spatial working memory according to Dynamic Field Theory.

Main Methods:

  • Children aged 2, 4, and 6 years participated in a sandbox task.
  • Target locations A and B were varied in separation (9-in., 6-in., 2-in.).
  • Participants searched for an object at location A, then location B, with responses recorded.

Main Results:

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  • Younger children (2- and 4-year-olds) showed bias towards location A when separations were larger (9-in., 6-in.).
  • Older children (4- and 6-year-olds) exhibited bias towards A only at the smallest separation (2-in.).
  • The critical separation distance for spatial bias decreased with age.

Conclusions:

  • Findings support Dynamic Field Theory's predictions on developmental improvements in spatial working memory.
  • Spatial biases are modulated by target separation and show age-dependent changes.
  • Working memory precision increases with age, influencing spatial recall biases.