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Related Experiment Videos

Selective attention to elements in working memory.

Klaus Oberauer1

  • 1University of Potsdam, Germany. ko@rz.uni-potsdam.de

Experimental Psychology
|November 1, 2003
PubMed
Summary
This summary is machine-generated.

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This study investigated the object switch effect in working memory. Findings reveal distinct components contributing to object switch costs, independent of task demands like selective access or updating.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Memory

Background:

  • The object switch effect, initially linked to attention focus in working memory, requires further investigation.
  • Previous interpretations of object switch costs may be confounded by task-specific demands.

Purpose of the Study:

  • To isolate and characterize the components of the object switch effect in working memory.
  • To differentiate the roles of selective access and updating in object switch costs.
  • To examine factors influencing object switch costs, such as memory set size.

Main Methods:

  • Three experiments using an arithmetic working memory task were conducted.
  • Tasks varied in requirements for selective access and updating of working memory contents.

Related Experiment Videos

  • Object switch costs were measured under different experimental conditions.

    • Main Results:

    • Object switch costs were observed in tasks requiring selective access but not updating.
    • Object switch costs were also found in tasks requiring updating but not selective access.
    • Switch costs increased with memory set size and were smaller for switches to items of the same type.

    Conclusions:

    • Object switch costs comprise at least two distinct components.
    • These components are dissociable based on task demands related to selective access and updating.
    • The findings refine our understanding of attentional mechanisms within working memory.