Implicit sublexical phonological processing in an acquired dyslexic patient

  • Hildebrandt N
  • Sokol S
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Abstract

Reports the case of a 35-yr-old male who acquired dyslexia as a result of a stroke. On tasks used to assess acquired dyslexia, the S was unable to access sublexical phonological information. However, on a lexical decision task, he showed normal effects of spelling regularity for low-frequency words, thus indicating that sublexical phonological processing was occurring. The reason for the discrepancy in test results may be that the types of explicit tasks used in the neuropsychological literature on dyslexia, which require conscious awareness of phonological representations, are not sensitive to implicit processing. Implications are discussed for the dual-route, analogy, and connectionist models of normal word recognition and the cognitive interpretation of dyslexia. (PsycLIT Database Copyright 1993 American Psychological Assn, all rights reserved)

Author-supplied keywords

  • Acquired dyslexia
  • Deep dyslexia
  • Implicit processing
  • Spelling regularity
  • Sublexical phonological processing

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Authors

  • Nancy Hildebrandt

  • Scott M. Sokol

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