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Related Experiment Videos

The role of sublexical graphemic processing in reading.

S A Joubert1, A R Lecours

  • 1Centre de Recherche de l'Institut universitaire de gériatrie de Montréal, Montréal, Québec, Canada. jouberts@ere.umontreal.ca

Brain and Language
|March 16, 2000
PubMed
Summary

This study confirms a graphemic parsing stage in reading, occurring before grapheme-phoneme conversion. Normal readers showed slower processing of complex graphemes, supporting dual-route reading models.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Linguistics

Background:

  • Dual-route models of reading propose separate lexical and sublexical processing pathways.
  • Sublexical reading involves graphemic parsing, graphophonemic conversion, and phoneme blending.
  • Previous research in reading pathology suggested functional independence of cognitive procedures.

Purpose of the Study:

  • To provide evidence for a distinct graphemic parsing stage in reading.
  • To investigate the processing order of graphemic parsing and grapheme-phoneme conversion.
  • To support recent dual-route models of reading.

Main Methods:

  • Normal adult subjects participated in the study.
  • Participants read nonwords containing multiletter graphemes.

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  • Reading times for complex graphemes were compared to simple graphemes.

    • Main Results:

    • Nonwords with multiletter graphemes were read significantly slower than those with simple graphemes.
    • This indicates a processing delay associated with graphemic parsing.
    • The findings align with the proposed stages of sublexical reading.

    Conclusions:

    • Evidence supports the existence of a graphemic parsing process preceding grapheme-phoneme conversion.
    • The findings reinforce the validity of dual-route models of reading.
    • The functional independence of graphemic parsing is supported by data from normal readers.