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Can Neural Adaptation Explain Word Choice ?

Presented atBoston (USA), July 20-23, 2011
Published inCarlson, L.; Hoelscher, C. & Shipley, T.F. (Ed.), Expanding the Space of Cognitive Science. Proceedings of the 33rd Annual Meeting of the Cognitive Science Society, p. 1006-1011
PublisherAustin, TX : Cognitive Science Society
Publication date2011
Abstract

Speakers refer to objects using terms on various levels of description. Labeling a poodle, they use the subordinate term “poodle” or the basic term “dog”. Our model attributes these effects to visual context, relying on the domain general mechanism of neural adaptation. Two SOMs represent visual and auditory categories. Word learning is modeled via simultaneous presentation of item and word form and the creation of Hebbian synapses. Neural adaptation causes a decrease of activation in repeatedly activated nodes. We predicted that as a result of this, when presented alone or alongside a distractor from another basic category, an item will be referred to by its basic term, while the presence of a distractor from the same basic category will induce a shift to the target's subordinate label. Three simulations taking into account the relative frequency of an item's basic and subordinate level labels supported this hypothesis.

Keywords
  • Self-Organizing Maps
  • Neural Adaptation
  • Language Production
Affiliation entities Not a UNIGE publication
Citation (ISO format)
KLINGER, Jörn, MAYOR, Julien. Can Neural Adaptation Explain Word Choice ? In: Expanding the Space of Cognitive Science. Proceedings of the 33rd Annual Meeting of the Cognitive Science Society. Carlson, L.; Hoelscher, C. & Shipley, T.F. (Ed.). Boston (USA). Austin, TX : Cognitive Science Society, 2011. p. 1006–1011.
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  • PID : unige:22690
ISBN978-0-9768318-7-7
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