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Related Experiment Videos

A note on the "word-order problem" in agrammatism.

D Caplan

    Brain and Language
    |September 1, 1983
    PubMed
    Summary

    English agrammatic patients can assign thematic roles based on noun phrase position, challenging previous findings. This study re-analyzes data to show word order influences thematic role assignment in aphasia.

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    Area of Science:

    • Linguistics
    • Neuroscience
    • Psychology

    Background:

    • Agrammatic aphasia is characterized by difficulties in producing and comprehending grammatically complex sentences.
    • Previous research suggested that English agrammatic aphasics do not map word order onto thematic information.

    Purpose of the Study:

    • To re-analyze existing data on thematic role assignment in English agrammatic patients.
    • To investigate the role of noun phrase position in thematic role assignment.

    Main Methods:

    • Analysis of comprehension and production data from English agrammatic patients.
    • Re-evaluation of previously published findings by Schwartz, Saffran, and Marin.

    Main Results:

    • A simple set of principles can account for all previously reported results.
    • English agrammatic patients assign thematic roles to noun phrases based partly on their position in a sentence or phrase.

    Conclusions:

    • Contrary to previous claims, English agrammatic aphasics do utilize word order for thematic role assignment.
    • The findings necessitate a revised understanding of syntactic-semantic mapping in agrammatism.

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