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Related Experiment Videos

Children's working memory: investigating performance limitations in complex span tasks.

Juliet A Conlin1, Susan E Gathercole, John W Adams

  • 1Department of Psychology, University of Durham, Durham DH1 3LE, UK.

Journal of Experimental Child Psychology
|March 22, 2005
PubMed
Summary
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Complex working memory span in children is hindered by tasks demanding attention, not just storage. Resource-sharing and memory demands impact performance, with attentional load being key.

Area of Science:

  • Cognitive Psychology
  • Developmental Psychology

Background:

  • Complex working memory span is crucial for cognitive development.
  • Understanding factors influencing working memory span in children is essential.

Purpose of the Study:

  • To investigate the roles of resource-sharing and intrinsic memory demands in children's working memory span.
  • To determine how processing complexity and attentional demands affect working memory performance.

Main Methods:

  • Three experiments were conducted with 7- and 9-year-old children.
  • Varied processing complexity, storage demands, and attentional load across tasks like mental arithmetic and odd/even judgments.
  • Equated pacing requirements in Experiment 3.

Main Results:

Related Experiment Videos

  • Memory span was not affected by processing complexity alone when processing times were equal.
  • Articulatory suppression yielded the highest spans, followed by mental arithmetic, and then odd/even judgments.
  • Differences between arithmetic and odd/even judgments disappeared when pacing was equated.

Conclusions:

  • Complex working memory span performance is disrupted by processing activities that divert attentional resources from storage.
  • Attentional demands, rather than intrinsic storage needs alone, significantly impact working memory span in children.