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UC Merced Proceedings of the Annual Meeting of the Cognitive Science Society Title Dissociations Between Regularities and Irregularities in Language Processing: Computational Demonstrations Without Separable Processing Components Publication Date Dissociations Between Regularities and Irregularities in Language Processing: Computational Demonstrations Without Separable Processing Components

Daragh Sibley, Christopher Kello, Daragh Sibley, Christopher Kello
2004 Proceedings of the Annual Meeting of the Cognitive Science Society   unpublished

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Two models are presented that compute a quasi-regular mapping. One was based on localist representations of items in the quasi-regular domain, the other was based on distributed representations. In each model, a control parameter termed input gain was modulated over the one and only level of representation that mapped inputs to outputs. Input gain caused both models to shift between regularity-based and item-based modes of processing. Performance on irregular items was selectively impaired in
more » ... e regularity-based modes, whereas performance on novel items was selectively impaired in the item-based modes. Thus, each model exhibited a double dissociation without separable processing components. These results are discussed in the context of analogous dissociations found in language domains such as word reading and inflectional morphology.
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Daragh Sibley, Christopher Kello, Daragh Sibley, Christopher Kello. "UC Merced Proceedings of the Annual Meeting of the Cognitive Science Society Title Dissociations Between Regularities and Irregularities in Language Processing: Computational Demonstrations Without Separable Processing Components Publication Date Dissociations Between Regularities and Irregularities in Language Processing: Computational Demonstrations Without Separable Processing Components." Proceedings of the Annual Meeting of the Cognitive Science Society (2004)