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Related Experiment Videos

Aging and resolution of quantifier scope effects.

K A Kemtes1, S Kemper

  • 1Volen National Center for Complex Systems, Brandeis University, Waltham, Massachusetts, USA.

The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
|January 8, 2000
PubMed
Summary
This summary is machine-generated.

Older adults, especially those with limited working memory, use simpler pragmatic rules for complex sentences. Young adults use more varied syntactic strategies, showing age-related differences in language processing post-comprehension.

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Area of Science:

  • Psycholinguistics
  • Cognitive Aging
  • Computational Linguistics

Background:

  • Sentence processing in aging adults is complex.
  • Working memory capacity influences cognitive tasks.
  • Quantifier scope ambiguity presents a challenge in language comprehension.

Purpose of the Study:

  • To compare how young and older adults process complex sentences with quantifier scope ambiguities.
  • To investigate the role of working memory in older adults' sentence interpretation.
  • To test hypotheses about syntactic versus pragmatic processing strategies in different age groups.

Main Methods:

  • Two experiments were conducted comparing young and older adults.
  • Participants read sentences with quantifier scope ambiguities (e.g., Every actor used a prop).
  • Judgments on sentence continuation acceptability and reading times were analyzed.

Main Results:

  • Young and older adults showed similar reading times for quantifier sentences.
  • Both groups interpreted 'An actor used every prop' similarly (single entity).
  • For 'Every actor used a prop', young adults preferred multiple entities, while older adults (esp. with low working memory) preferred single entities.

Conclusions:

  • Syntactic processing of complex sentences may not be significantly affected by aging or working memory limitations.
  • Post-comprehension processes in language are more susceptible to aging and working memory constraints.
  • Findings support models differentiating immediate syntactic analysis from later interpretation stages in aging.