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Working memory, inhibitory control, and reading disability.

P Chiappe1, L Hasher, L S Siegel

  • 1University of British Columbia, Vancouver, Canada. chiappep@fredonia.edu

Memory & Cognition
|March 14, 2000
PubMed
Summary
This summary is machine-generated.

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Working memory deficits are common in individuals with reading disabilities across all ages. Aging may impact working memory due to reduced inhibitory control, not capacity.

Area of Science:

  • Cognitive Psychology
  • Developmental Neuroscience
  • Educational Psychology

Background:

  • Working memory and inhibitory control are crucial for reading proficiency.
  • Understanding their interplay across the lifespan is essential for effective interventions.

Purpose of the Study:

  • To investigate the relationship between working memory, inhibitory control, and reading skills in a large age range.
  • To examine the influence of working memory task format on performance and age-related changes.
  • To determine if working memory deficits are linked to specific inhibitory control functions.

Main Methods:

  • A cohort of 966 individuals aged 6-49 years completed reading and working memory tasks.
  • Working memory was assessed using a listening span task in blocked and mixed formats.

Related Experiment Videos

  • Intrusion errors were analyzed to probe inhibitory control functions.

    • Main Results:

    • Working memory deficits were prevalent in individuals with reading disabilities across all age groups.
    • Deficits in working memory were associated with the access and restraint functions of inhibitory control.
    • Working memory capacity peaked at age 19, with a decline in adulthood observed in the blocked format, but not the mixed format.

    Conclusions:

    • Working memory deficits are a significant correlate of reading disabilities throughout development.
    • Age-related declines in working memory may stem from reduced inhibitory control efficiency rather than capacity loss.
    • The format of working memory tasks can influence performance patterns in aging adults.