Effects of accelerated reading rate on processing words' syntactic functions by normal and dyslexic readers: Event related potentials evidence

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Abstract

In the present study, the authors examined differences in brain activity, as measured by amplitudes and latencies of event related potentials (ERP) components, in Hebrew-speaking adult dyslexic and normal readers when processing sentence components with different grammatical functions. Participants were 20 dyslexic and 20 normally reading male college students aged 18-27 years. The authors examined the processing of normal word strings in word-by-word reading of sentences having subject-verb-object (SVO) syntactic structure in self- and fast-paced conditions. Data revealed that in both reading conditions, the N100 and P300 ERP components were sensitive to internal processes such as recognition of words' grammatical functions. However, the results revealed that fast-paced reading rate might affect this process, as was reflected in the systematic changes of amplitudes and latencies of both ERP components. In accelerated reading, a significant decrease of latencies and increase of amplitudes in dyslexies were shown. It was also found that influence of fast-paced reading rate was realized in the full usage of the word-order strategy in sentence processing. In turn, this fact confirmed the hypothesis concerning a syntactic processing "weakness" in dyslexia.

Original languageEnglish
Pages (from-to)276-296
Number of pages21
JournalJournal of Genetic Psychology
Volume162
Issue number3
DOIs
StatePublished - Sep 2001

Keywords

  • Adults
  • Brain activity
  • Dyslexia
  • Erp
  • Hebrew
  • Reading rate
  • Syntactic processing

ASJC Scopus subject areas

  • Clinical Psychology
  • Developmental and Educational Psychology
  • Life-span and Life-course Studies

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