Connectionist Models in Cognitive Neuroscience

We review three problems in the connectionist modelling of visual word recognition: the restriction of models to monosyllabic words, the difficulty in assimilating fixation data from the reading of continuous text, and the abstractness of the accounts of dyslexic reading. We show how a model of visual word recognition, the SPLIT model, can be anatomically based on the precise splitting of the foveal projection about a vertical meridian. The SPLIT model has a limited instantiation as a connectionist model and a wider instantiation as a conventional statistical analysis. This combination of two modelling paradigms, both based on foveal splitting, gives the best coverage of word recognition phenomena.

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