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Related Experiment Videos

The relationship between age, verbal working memory, and language comprehension.

Gayle DeDe1, David Caplan, Karen Kemtes

  • 1Communication Disorders Program, Department of Health Sciences, Boston University, Boston, MA 02215, USA.

Psychology and Aging
|December 9, 2004
PubMed
Summary

Aging affects language comprehension through verbal working memory (vWM), but not online syntactic processing. This suggests vWM

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Linguistics

Background:

  • Understanding how aging impacts language processing is crucial for cognitive health.
  • Verbal working memory (vWM) is a key cognitive resource implicated in language abilities.
  • The relationship between age, vWM, and different facets of language processing requires further elucidation.

Purpose of the Study:

  • To investigate the structural relationships between age, vWM, and three distinct language measures: online syntactic processing, sentence comprehension, and text comprehension.
  • To determine whether vWM mediates the relationship between age and language comprehension.
  • To differentiate the role of vWM in online language processing versus offline comprehension.

Main Methods:

  • Employed a structural modeling approach to analyze data.

Related Experiment Videos

  • Examined relationships between chronological age, verbal working memory capacity, and performance on three language tasks.
  • Developed and compared best-fit models for each language measure.

    • Main Results:

    • Age directly impacted online syntactic processing, independent of vWM.
    • Age-related effects on sentence comprehension and text comprehension were significantly mediated by vWM.
    • No evidence was found for vWM mediating online syntactic processing.

    Conclusions:

    • The influence of aging on language processing is dependent on the specific linguistic task.
    • vWM plays a critical role in age-related declines in sentence and text comprehension.
    • Individual differences in vWM do not appear to affect online syntactic processing abilities in aging adults.