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Related Experiment Videos

Coordinating information from perception and working memory

R A Carlson1, J L Wenger, M A Sullivan

  • 1Department of Psychology, Pennsylvania State University, University Park 16802.

Journal of Experimental Psychology. Human Perception and Performance
|June 1, 1993
PubMed
Summary
This summary is machine-generated.

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Coordinating information from working memory and perception incurs a switching cost, slowing performance and increasing errors. This study reveals task demands influence control processes during attention switching.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human-Computer Interaction

Background:

  • Individuals frequently integrate information from working memory and perception.
  • Attention switching costs are a key factor in cognitive coordination demands.

Purpose of the Study:

  • To analyze the cognitive control processes involved in coordinating working memory and perceptual information.
  • To investigate the impact of alternating between information sets on task performance.

Main Methods:

  • Four experiments utilized list-processing tasks requiring alternation between sets of items.
  • Performance metrics included reaction time and error rates.
  • Serial position effects were analyzed during alternation tasks.

Related Experiment Videos

Main Results:

  • Alternating between information sets led to slower and more error-prone performance compared to single-set reporting.
  • Latency varied with serial position, suggesting response pauses during alternation.
  • The observed effects were dependent on the need to generate novel response sequences.

Conclusions:

  • Switching attention between working memory and perceptual information incurs significant cognitive costs.
  • Control processes are modulated by the demands of generating new response sequences during coordination tasks.
  • A model of control processes for cognitive coordination was developed and validated.