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A connectionist multiple-trace memory model for polysyllabic word reading

By Bernard Ans, Serge Carbonnel and Sylviane Valdois

Abstract

46 pagesInternational audienceA connectionist feedforward network implementing a mapping from orthography to phonology is described. The model develops a view of the reading system that accounts for both irreguh word and pseudoword reading without relying on any system of explicit or implicit conversion rules. The model assumes, however, that reading is supported by 2 procedures that work successively: a global procedure using knowledge about entire words and an analytic procedure based on the activation of word syllabic segments. The model provides an account of the basic effects that characterize human skilled reading performance including a frequency by consistency interaction and a position-ofirregularity effect. Furthamore, early in training, the network shows a performance similar to that of less skilled readers. It also offers a plausible account of the patterns of acquired phonological and surface dyslexia when lesioned in different ways

Topics: [SCCO.PSYC]Cognitive science/Psychology, [SCCO.NEUR]Cognitive science/Neuroscience, [SDV.NEU.PC]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Psychology and behavior, [SDV.NEU.SC]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Cognitive Sciences, [INFO.INFO-NE]Computer Science [cs]/Neural and Evolutionary Computing [cs.NE], [INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation
Publisher: 'American Psychological Association (APA)'
Year: 1998
OAI identifier: oai:HAL:hal-00171057v1
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