Exploring dyslexics' phonological deficit I: lexical vs sub-lexical and input vs output processes. Szenkovits, G. & Ramus, F. Dyslexia, 11(4):253-68, 2005.
abstract   bibtex   
We report a series of experiments designed to explore the locus of the phonological deficit in dyslexia. Phonological processing of dyslexic adults is compared to that of age- and IQ-matched controls. Dyslexics' impaired performance on tasks involving nonwords suggests that sub-lexical phonological representations are deficient. Contrasting nonword repetition vs auditory nonword discrimination suggests that dyslexics are specifically impaired in input phonological processing. These data are compatible with the hypothesis that the deficit initially affects input sub-lexical processes, and further spreads to output and lexical processes in the course of language acquisition. Further longitudinal research is required to confirm this scenario as well as to tease apart the role of the quality of phonological representations from that of verbal short-term memory processes.
@Article{Szenkovits2005,
  author   = {Gayaneh Szenkovits and Franck Ramus},
  journal  = {Dyslexia},
  title    = {Exploring dyslexics' phonological deficit {I}: lexical vs sub-lexical and input vs output processes.},
  year     = {2005},
  number   = {4},
  pages    = {253-68},
  volume   = {11},
  abstract = {We report a series of experiments designed to explore the locus of
	the phonological deficit in dyslexia. Phonological processing of
	dyslexic adults is compared to that of age- and IQ-matched controls.
	Dyslexics' impaired performance on tasks involving nonwords suggests
	that sub-lexical phonological representations are deficient. Contrasting
	nonword repetition vs auditory nonword discrimination suggests that
	dyslexics are specifically impaired in input phonological processing.
	These data are compatible with the hypothesis that the deficit initially
	affects input sub-lexical processes, and further spreads to output
	and lexical processes in the course of language acquisition. Further
	longitudinal research is required to confirm this scenario as well
	as to tease apart the role of the quality of phonological representations
	from that of verbal short-term memory processes.},
  keywords = {Adult, Dyslexia, Female, Humans, Male, Memory, Phonetics, Vocabulary, 16355747},
}

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