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Related Experiment Videos

Processing and storage in working memory span.

S C Duff1, R H Logie

  • 1Institute for Psychosocial Science, University of Bergen, Norway.

The Quarterly Journal of Experimental Psychology. A, Human Experimental Psychology
|February 24, 2001
PubMed
Summary
This summary is machine-generated.

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This study investigated working memory span tasks, finding that processing and storage demands can coexist. Results suggest a multiple resource model better explains how cognitive resources are allocated during complex tasks.

Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Working memory span tasks are crucial for assessing on-line cognitive abilities.
  • Theoretical models propose different mechanisms for resource allocation within working memory.

Purpose of the Study:

  • To test theoretical assumptions about working memory resource allocation in span tasks.
  • To differentiate between single flexible and multiple component working memory models.

Main Methods:

  • Two experiments were conducted using variations of the sentence span task and a combined arithmetic verification-word recall task.
  • Working memory processing span and temporary storage span were assessed independently before combination.

Main Results:

  • Combined tasks under high demand showed substantial residual performance for both processing and storage components.

Related Experiment Videos

  • Experiment 2 demonstrated particularly robust residual performance.

    • Conclusions:

    • The sentence span task remains a useful measure of on-line cognition.
    • Findings raise questions about resource allocation within working memory, favoring a multiple resource model over a single flexible pool.