NDRA: A single route model of response times in the reading aloud task based on discriminative learning

Peter Hendrix, Michael Ramscar and Harald Baayen

PLOS ONE, 2019, vol. 14, issue 7, 1-63

Abstract: We present the Naive Discriminative Reading Aloud (ndra) model. The ndra differs from existing models of response times in the reading aloud task in two ways. First, a single lexical architecture is responsible for both word and non-word naming. As such, the model differs from dual-route models, which consist of both a lexical route and a sub-lexical route that directly maps orthographic units onto phonological units. Second, the linguistic core of the ndra exclusively operates on the basis of the equilibrium equations for the well-established general human learning algorithm provided by the Rescorla-Wagner model. The model therefore does not posit language-specific processing mechanisms and avoids the problems of psychological and neurobiological implausibility associated with alternative computational implementations. We demonstrate that the single-route discriminative learning architecture of the ndra captures a wide range of effects documented in the experimental reading aloud literature and that the overall fit of the model is at least as good as that of state-of-the-art dual-route models.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0218802

DOI: 10.1371/journal.pone.0218802

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