Switching Languages, Switching Palabras (Words): An Electrophysiological Study of Code Switching  

Oleh:

Moreno, Eva M. ; Federmeier, Kara D. ; Kutas, Marta

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 80 no. 2 (2002), page 188-207.
Topik: code switching; event-related potentials; bilinguals; sentence processing; N400; late positive complex; idioms
Fulltext: 80_02_Moreno.pdf (170.28KB)

Isi artikel

Switching languages has often been associated with a processing cost. In this study, the authors used event-related potentials to compare switches between two languages with withinlanguage lexical switches as bilinguals read for comprehension. Stimuli included English sentences and idioms ending either with the expected English words, their Spanish translations (code switches), or English synonyms (lexical switches). As expected, lexical switches specifically enhanced the N400 response in both context types. Code switches, by contrast, elicited an increased negativity over left fronto-central sites in the regular nonidiomatic sentences (250–450 ms) and a large posterior positivity (450–850 ms) in both context types. In addition, both lexical and code switches elicited a late frontal positivity (650–850 ms) relative to expected completions, especially in idioms. Analysis of the individual response patterns showed correlations with vocabulary skills in English and in Spanish. Overall, the electrophysiological data suggest that for some speakers in some contexts, the processing of a code switch may actually be less costly than the processing of an unexpected within-language item.

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