Soft Constraints on Mapping Form to Meaning in Lexical Acquisition
Casenhiser, Devin Mark
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https://hdl.handle.net/2142/82624
Description
Title
Soft Constraints on Mapping Form to Meaning in Lexical Acquisition
Author(s)
Casenhiser, Devin Mark
Issue Date
2004
Doctoral Committee Chair(s)
Goldberg, Adele E.
Department of Study
Linguistics
Discipline
Linguistics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Psychology, Developmental
Language
eng
Abstract
Research in diachronic Linguistics has shown that homonyms are often avoided in language. This study proposes that this trend is a result of general cognitive principles at work during language acquisition. In support of this proposition, the first two experiments present findings demonstrating that children disprefer learning a different, unrelated meaning for a known word when that word is used in a linguistic context that fails to bias strongly for a new meaning. Children, however, appear to have much less difficulty in learning homonyms when the syntactic context clearly indicates that a new meaning is required. A third experiment investigates the implications of the proposal for polysemy. This final experiment shows that children are likely to interpret an accoustically ambiguous stimulus as a known word only if the known word is related to the context in which they hear the word. Otherwise, children prefer a novel word over an unrelated known word (i.e., a homonym).
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