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The time course of Braille word recognition.

P Bertelson1, P Mousty, M Radeau

  • 1Laboratoire de Psychologie expérimentale, Université libre de Bruxelles, Belgium.

Journal of Experimental Psychology. Learning, Memory, and Cognition
|March 1, 1992
PubMed
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Blind readers access braille words similarly to spoken words, with uniqueness point location affecting recognition time. This online lexical access is not specific to speech and is more pronounced for higher-frequency words.

Area of Science:

  • Cognitive psychology
  • Neuroscience
  • Linguistics

Background:

  • The uniqueness point is the first letter that distinguishes a word from all other words.
  • Previous research suggests the uniqueness point's location influences spoken word recognition.
  • It is unclear if this effect extends to tactile word recognition in blind individuals.

Purpose of the Study:

  • To investigate online lexical access in blind readers using braille.
  • To determine if the uniqueness point effect is specific to auditory word recognition.
  • To examine the influence of word frequency on braille word recognition.

Main Methods:

  • Skilled blind readers identified French nouns presented in braille.
  • Participants either pronounced the words or classified their grammatical gender.

Related Experiment Videos

  • Reaction times and uniqueness point location effects were analyzed across three experiments.

    • Main Results:

    • Uniqueness point location significantly affected braille word recognition times, similar to spoken words.
    • The relative effect of uniqueness point location was comparable for braille and spoken words.
    • This effect was primarily observed for higher-frequency words.

    Conclusions:

    • Online lexical access for braille words is not specific to auditory processing.
    • The findings suggest a shared mechanism for processing spoken and tactile words.
    • Word frequency modulates the impact of the uniqueness point in braille reading.