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Related Experiment Video

Updated: May 28, 2026

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
09:05

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

Published on: June 12, 2017

Individual differences in working memory capacity and temporal discrimination.

James M Broadway1, Randall W Engle

  • 1Georgia Institute of Technology, Atlanta, Georgia, United States of America. jbroadway@gatech.edu

Plos One
|October 18, 2011
PubMed
Summary
This summary is machine-generated.

Higher working memory capacity (WMC) improves temporal discrimination accuracy. This finding suggests WMC is crucial for precise time perception, independent of fluid intelligence.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Psychophysics

Background:

  • Temporal judgment relies on attention and working memory.
  • Individual differences in working memory capacity (WMC) correlate with cognitive abilities.
  • The relationship between WMC and temporal discrimination requires further investigation.

Purpose of the Study:

  • To investigate the predictive relationship between working memory capacity (WMC) and temporal discrimination.
  • To determine if WMC influences the ability to discriminate between temporal intervals.

Main Methods:

  • Assessed individual differences in working memory capacity (WMC).
  • Measured temporal discrimination performance across various temporal differences.
  • Controlled for fluid intelligence as a potential confounding factor.

Main Results:

  • Individuals with high WMC demonstrated superior temporal discrimination sensitivity compared to those with low WMC.
  • The WMC effect on temporal discrimination persisted even after accounting for fluid intelligence.
  • Results highlight the role of WMC in precise time perception.

Conclusions:

  • Working memory capacity is a significant predictor of temporal discrimination ability.
  • Attention and working memory mechanisms are critical for accurate time judgments.
  • Future research should explore the underlying neural and cognitive processes linking WMC and temporal perception.