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Brain responses to syntax constrained by time-driven implicit prosodic phrases

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Author

Summary, in English

Previous research suggests that time-based working memory limits of 2-3 s constrain the integration of verbal information, and that speakers tend to parse sentences into prosodic phrases that do not extend beyond this time window. The present study used Event-Related Potentials (ERPs) to investigate how time-driven implicit prosodic phrasing influences the syntactic processing of embedded clauses. Participants read Swedish sentences in which the first embedded clause had a subordinate, main or neutral clause structure cued by the position of the sentence adverb. The presentation rate was manipulated so that either one or two clauses were read within 2.7 s. When the 2.7 s time limit was reached before the onset of the embedded clause, the sentence adverb indicating subordinate clause structure elicited a posterior negativity and a late positivity. These effects were interpreted to reflect the detection of unexpected word order, followed by the revision of the anticipated main clause structure. A positive shift that correlated with individual working memory span was also seen at the clause-final word after 2.7 s, possibly indicating closure of an implicit prosodic phrase. These results suggest that prosodic phrasing was influenced by time-based working memory limits, which in turn affected syntactic analysis: readers were more likely to interpret an embedded clause as a main clause if it could be associated with the beginning of a new prosodic phrase.

Publishing year

2015

Language

English

Pages

68-84

Publication/Series

Journal of Neurolinguistics

Volume

35

Document type

Journal article

Publisher

Elsevier

Topic

  • General Language Studies and Linguistics

Keywords

  • event-related potentials
  • syntax
  • working memory
  • scrambling negativity
  • prosodic phrase
  • implicit prosody

Status

Published

Project

  • Neurophysiology of syntactic processing and timing constraints on working memory

ISBN/ISSN/Other

  • ISSN: 0911-6044