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Syntactic processing in aphasia

D Swinney1, E Zurif

  • 1Dept. of Psychology, University of California at San Diego, La Jolla 92093, USA.

Brain and Language
|August 1, 1995
PubMed
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Syntactic processing in aphasia differs between patient groups. Wernicke's patients link sentence elements, while Broca's patients do not, indicating localized processing deficits.

Area of Science:

  • Neuroscience
  • Psycholinguistics
  • Neurolinguistics

Background:

  • Aphasia, a language disorder post-brain damage, affects syntactic processing.
  • Understanding sentence structure is crucial for language comprehension.

Purpose of the Study:

  • To investigate syntactic processing differences in Wernicke's and Broca's aphasia.
  • To identify the specific processing limitations in Broca's aphasia.

Main Methods:

  • Analysis of syntactic processing in patients with Wernicke's aphasia and Broca's aphasia.
  • Comparison of patient performance with neurologically intact subjects.

Main Results:

  • Wernicke's patients, similar to controls, reactivate moved constituents during syntactic processing.

Related Experiment Videos

  • Broca's patients fail to create syntactically governed links, even for understood sentences.
  • Conclusions:

    • Broca's aphasia exhibits a specific bottleneck in creating syntactically governed links.
    • Syntactic comprehension deficits may stem from localized cortical changes affecting lexical processing.