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Related Experiment Video

Updated: May 2, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

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Changing concepts of working memory.

Wei Ji Ma1, Masud Husain2, Paul M Bays3

  • 1Center for Neural Science and Department of Psychology, New York University, New York, New York, USA.

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PubMed
Summary
This summary is machine-generated.

Working memory capacity may not be fixed but rather a flexible resource. This resource quality, not quantity, determines performance, supported by behavioral and neural evidence.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Working memory is traditionally viewed as having a limited capacity, often cited as Miller's seven or Cowan's four items.
  • Recent theories propose working memory as a flexible resource, not a fixed quantity.

Purpose of the Study:

  • To explore the proposal that working memory is a flexible resource.
  • To examine the role of representation quality versus quantity in working memory performance.

Main Methods:

  • Review of existing behavioral evidence.
  • Analysis of emerging neural data.

Main Results:

  • Behavioral studies suggest performance depends on the quality of memory representations.
  • Neural evidence is emerging to support the flexible resource model.

Conclusions:

  • Working memory may operate as a flexible resource where quality of information is key.
  • This challenges traditional fixed-capacity models of working memory.