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Mapping dissociations in verb morphology
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UNSPECIFIED (2001) Mapping dissociations in verb morphology. TRENDS IN COGNITIVE SCIENCES, 5 (7). pp. 301-308.
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Abstract
Substantial behavioural and neuropsychological evidence has been amassed to support the dual-route model of morphological processing, which distinguishes between a rule-based system for regular items (walk-walked, call-called) and an associative system for the irregular items (go-went), Some neural-network models attempt to explain the neuropsychological and brain-mapping dissociations in terms of single-system associative processing. We show that there are problems in the accounts of homogeneous networks in the light of recent brain-mapping evidence of systematic double-dissociation. We also examine the superior capabilities of more internally differentiated connectionist models, which, under certain conditions, display systematic double-dissociations. It appears that the more differentiation models show, the more easily they account for dissociation patterns, yet without implementing symbolic computations.
Item Type: | Journal Item | ||||
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Subjects: | B Philosophy. Psychology. Religion > BF Psychology R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry |
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Journal or Publication Title: | TRENDS IN COGNITIVE SCIENCES | ||||
Publisher: | ELSEVIER SCIENCE LONDON | ||||
ISSN: | 1364-6613 | ||||
Official Date: | July 2001 | ||||
Dates: |
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Volume: | 5 | ||||
Number: | 7 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 301-308 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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