J Mem Lang. 2015 Oct 01;84:88-107. doi: 10.1016/j.jml.2015.05.005.
Repetition reduction during word and concept overlap in bilinguals.
Journal of memory and language
Tuan Q Lam, Viorica Marian
PMID: 26166943
PMCID: PMC4495347 DOI: 10.1016/j.jml.2015.05.005
Abstract
In natural conversation, speakers often mention the same referents multiple times. While referents that have been previously mentioned are produced with less prominence than those that have not been mentioned, it is unclear whether prominence reduction is due to repetition of concepts, words, or a combination of the two. In the current study, we dissociate these sources of repetition by examining bilingual speakers, who have more than one word for the same concept across their two languages. Three groups of Korean-English bilinguals (balanced, English-dominant, and Korean-dominant) performed an event description task involving repetition of referents within a single language (i.e., repetition of word and concept) or across languages (i.e., repetition of concept only). While balanced bilinguals reduced prominence both within and across languages, unbalanced bilinguals only reduced prominence when repetition occurred within a language. These patterns suggest that the degree to which words and concepts are linked within a speaker's language system determines the source of repetition reduction.
Keywords: bilingualism; concepts; lexical access; prominence; prosody; reduction; reference; repetition; speech production; words
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