Category competition drives contrast maintenance within an exemplar-based production/perception loop.

Research output: Contribution to conferencePaperpeer-review

13 Scopus citations

Abstract

The evolution of competing lexical categories is simulated within a model in which lexical outputs are organized as sequences of articulatory gestures. When exemplar-based categories compete for assignment and storage of incoming exemplars in a production/storage loop, contrast between categories spontaneously emerges and remains stable, driven by the differences in storage consistency between more contrastive and less contrastive variants. Further, when lexical outputs are biased toward use of previously produced gestures, the set of exemplars in the lexicon evolve to be derived from a small set of contrastive units used in combination, despite the absence of direct selection for contrast at the sub-lexical level.

Original languageEnglish (US)
Pages1-10
Number of pages10
StatePublished - 2004
Event7th Meeting of the ACL Special Interest Group in Computational Phonology: Current Themes in Computational Phonology and Morphology, SIGMORPHON@ACL 2004 - Barcelona, Spain
Duration: Jul 26 2004 → …

Conference

Conference7th Meeting of the ACL Special Interest Group in Computational Phonology: Current Themes in Computational Phonology and Morphology, SIGMORPHON@ACL 2004
Country/TerritorySpain
CityBarcelona
Period7/26/04 → …

ASJC Scopus subject areas

  • Linguistics and Language
  • Artificial Intelligence
  • Human-Computer Interaction

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