Persona: Moreno Bella, Eva
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0000-0002-1299-3148
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Moreno Bella
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Eva
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Publicación Switching Languages, Switching Palabras (Words): An Electrophysiological Study of Code Switching(Elsevier, 2002-02) Federmeier, Kara D.; Kutas, Marta; Moreno Bella, EvaSwitching 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 within-language 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.Publicación Expecting Gender: An Event Related Brain Potential Study on the Role of Grammatical Gender in Comprehending a Line Drawing Within a Written Sentence in Spanish(Elsevier, 2003) Wicha, Nicole; Kutas, Marta; Moreno Bella, EvaEvent-related brain potentials (ERPs) were used to examine the role of grammatical gender in written sentence comprehension. Native Spanish speakers read sentences in which a drawing depicting a target noun was either congruent or incongruent with sentence meaning, and either agreed or disagreed in gender with that of the preceding article. The gender-agreement violation at the drawing was associated with an enhanced negativity between 500 and 700 msec post-stimulus onset. Semantically incongruent drawings elicited a larger N400 than congruent drawings regardless of gender (dis)agreement, indicating little effect of grammatical gender agreement on contextual integration of a picture into a written sentence context. We also observed an enhanced negativity for articles with unexpected relative to expected gender based on prior sentence context indicating that readers generate expectations for specific nouns and their articles.Publicación Code-switching and the brain(Cambridge University Press, 2009) Kutas, Marta; Wicha, Nicole; Moreno Bella, Eva