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Related Experiment Videos

Working memory and language: an overview.

Alan Baddeley1

  • 1Department of Experimental Psychology, University of Bristol, 8 Woodland Rd, Bristol, BS8 1TN, UK. alan.baddeley@bristol.ac.uk

Journal of Communication Disorders
|May 14, 2003
PubMed
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Working memory, crucial for cognition, has multiple components including the phonological loop and visuospatial sketchpad, controlled by a central executive. These systems are vital for language processing and learning.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Linguistics

Background:

  • Working memory temporarily stores and manipulates information for complex cognitive tasks.
  • The Baddeley and Hitch (1974) model proposed three subsystems: phonological loop, visuospatial sketchpad, and central executive.
  • A fourth component, the episodic buffer, has been recently added to the model.

Purpose of the Study:

  • To introduce the multi-component working memory model.
  • To detail the phonological loop, its storage and processing components, and neuropsychological evidence.
  • To explore the implications for native and second language learning and disorders.

Main Methods:

  • Review of the multi-component working memory model.
  • Emphasis on the phonological loop's structure and evidence.

Related Experiment Videos

  • Overview of the visuospatial sketchpad and central executive functions.

    • Main Results:

    • The phonological loop can be fractionated into storage and processing components.
    • Neuropsychological evidence supports the distinction within the phonological loop.
    • The visuospatial sketchpad and central executive play roles in language processing.

    Conclusions:

    • Working memory's components are integral to normal language function.
    • Dysfunction in working memory subsystems may underlie language disorders.
    • The model provides a framework for understanding language acquisition and deficits.