The interaction of multiple routes in oral reading

Evidence from dissociations in naming and oral reading in phonological dyslexia

M. Helen Southwood, Anjan Chatterjee

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

During oral reading we hypothesized that lexical representations are activated and selected for output by the simultaneous activation of the semantic, the direct lexical orthography to phonology, and sublexical grapheme-to-phoneme conversion (GPC) routes (Southwood and Chatterjee, 1999). Serial models of reading argue that the semantic route governs oral reading with minimal influence from the nonlexical direct route the sublexical GPC route. These models predict that semantic errors should occur in reading when the semantic route and GPC are both impaired. The Simultaneous Activation Hypothesis predicts few semantic errors in oral reading many during picture naming. Semantic errors are infrequent in reading because information from all three reading routes constrains activation of a phonological entry. By contrast phonological selection in picture naming is constrained primarily by the semantic route and if damaged additional information is unavailable to select the appropriate phonological code. In agreement with the Simultaneous Activation Hypothesis five phonological dyslexics produced semantic errors during picture naming but not when reading aloud. Phonological errors were present during oral reading and minimal during picture naming.

Original languageEnglish
Pages (from-to)14-39
Number of pages26
JournalBrain and Language
Volume72
Issue number1
DOIs
Publication statusPublished - Mar 2000
Externally publishedYes

Fingerprint

Dyslexia
dyslexia
Semantics
Reading
semantics
interaction
evidence
activation
Naming
Route
Interaction
Dissociation
orthography
phonology
Picture Naming
Semantic Errors
Activation

Cite this

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The interaction of multiple routes in oral reading : Evidence from dissociations in naming and oral reading in phonological dyslexia. / Southwood, M. Helen; Chatterjee, Anjan.

In: Brain and Language, Vol. 72, No. 1, 03.2000, p. 14-39.

Research output: Contribution to journalArticle

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