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Related Experiment Videos

Syntactic complexity and adults' running memory span.

S Norman1, S Kemper, D Kynette

  • 1Department of Psychology, University of Kansas.

Journal of Gerontology
|November 1, 1991
PubMed
Summary
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Older adults show greater declines in running memory span for complex sentences compared to younger adults. Working memory capacity significantly impacts prose comprehension and running memory performance in aging adults.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Linguistics

Background:

  • Running memory span is crucial for comprehending continuous text.
  • Age-related cognitive changes can affect memory and language processing.
  • Syntactic complexity poses challenges for memory retrieval.

Purpose of the Study:

  • To investigate age-related differences in running memory span for prose.
  • To examine the impact of syntactic complexity on memory recall in different age groups.
  • To determine the relationship between working memory and running memory span in adults.

Main Methods:

  • A running memory span task involving prose recall was administered.
  • Participants included college students and older adults (60-94 years).

Related Experiment Videos

  • Recall performance was assessed following single-clause and complex (left/right-branching) sentences.

    • Main Results:

    • A significant interaction revealed age group differences exacerbated by syntactic complexity.
    • Elderly adults recalled 25% fewer words from embedded clauses of left-branching sentences compared to college students.
    • Recall differences were smaller for simpler sentence structures, with only a 4% deficit observed.

    Conclusions:

    • Working memory limitations are key determinants of running memory span for prose.
    • Age-related deficits in comprehension are partly attributable to working memory capacity.
    • Syntactic complexity significantly impacts running memory performance and contributes to age-group differences in prose recall.