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Beyond single syllables: Large-scale modeling of reading aloud with the Connectionist Dual Process (CDP++) model

Perry, Conrad, Ziegler, Johannes C., Zorzi, Marco·2010·Cognitive Psychology
DOI 10.1016/j.cogpsych.2010.04.001
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Abstract

Most words in English have more than one syllable, yet the most influential computational models of reading aloud are restricted to processing monosyllabic words. Here, we present CDP++, a new version of the Connectionist Dual Process model (Perry, Ziegler, & Zorzi, 2007). CDP++ is able to simulate the reading aloud of mono- and disyllabic words and nonwords, and learns to assign stress in exactly the same way as it learns to associate graphemes with phonemes. CDP++ is able to simulate the monosyllabic benchmark effects its predecessor could, and therefore shows full backwards compatibility. CDP++ also accounts for a number of novel effects specific to disyllabic words, including the effects of stress regularity and syllable number. In terms of database performance, CDP++ accounts for over 49% of the reaction time variance on items selected from the English Lexicon Project, a very large database of several thousand of words. With its lexicon of over 32,000 words, CDP++ is therefore a notable example of the successful scaling-up of a connectionist model to a size that more realistically approximates the human lexical system.

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  • Phonological constraints could operate at the level of individual phonemes and phonological syllables, as in CDP++.

    “These phonological constraints could operate at the level of individual phonemes and phonological syllables, as in CDP++ (Perry et al., 2010).”

    From A Dual-Route Approach to Orthographic Processing (2011) · cites this paper as Perry et al., 2010

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Authors
Perry, C., Ziegler, J. C., & Zorzi, M.
Venue
Cognitive Psychology
Publisher
Elsevier BV
Published
2010-09
Volume
61
Issue
2
Pages
106-151
ISSN
0010-0285
DOI
10.1016/j.cogpsych.2010.04.001
Cited by
294
References
10
Language
en
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)

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