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Related Experiment Videos

Working memory and flexibility in awareness and attention.

Michael F Bunting1, Nelson Cowan

  • 1Department of Psychological Sciences, University of Missouri, Columbia, 65211, USA.

Psychological Research
|April 28, 2005
PubMed
Summary

Attention and awareness are key to working memory storage. Retrieval cues that demand attention, like color mismatches, can impair recall, suggesting processing difficulties interfere with memory.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Memory Research

Background:

  • Working memory models often assume effortless storage and retrieval.
  • The role of attention and awareness in working memory storage requires further investigation.

Purpose of the Study:

  • To investigate how attention-demanding goal conflicts within retrieval cues impact working memory recall.
  • To differentiate between passive storage and attention-dependent mechanisms in working memory.

Main Methods:

  • A conceptual span task was employed using a twelve-word list.
  • Semantic and color-name cues were used to prompt recall of consecutive words.
  • Experiments manipulated the match frequency between cue color and item color.

Main Results:

  • In Experiment 1 (75% cue-item color match), rare mismatches impaired recall.
  • In Experiment 2 (25% cue-item color match), frequent mismatches did not impair recall.
  • These findings suggest processing difficulty, not just passive storage, affects recall.

Conclusions:

  • Attention and awareness are fundamental to a type of working memory storage.
  • Attention-demanding goal conflicts impede working memory recall.
  • Processing difficulties, likely by diverting attention, hinder memory retrieval.

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