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Language and Math: What If We Have Two Separate Naming Systems? Martínez González, Alejandro Code-switching Cambio de registro Bilingualism Bilingüismo Magnetoencephalography Magnetoencefalografía Numerical cognition Cognición numérica Producción Científica The role of language in numerical processing has traditionally been restricted to counting and exact arithmetic. Nevertheless, the impact that each of a bilinguals’ languages may have in core numerical representations has not been questioned until recently. What if the language in which math has been first acquired (LLmath) had a bigger impact in our math processing? Based on previous studies on language switching we hypothesize that balanced bilinguals would behave like unbalanced bilinguals when switching between the two codes for math. In order to address this question, we measured the brain activity with magneto encephalography (MEG) and source estimation analyses of 12 balanced Basque-Spanish speakers performing a task in which participants were unconscious of the switches between the two codes. The results show an asymmetric switch cost between the two codes for math, and that the brain areas responsible for these switches are similar to those thought to belong to a general task switching mechanism. This implies that the dominances for math and language could run separately from the general language dominance. Departamento de Cultura y Política Lingüística del Gobierno Vasco (grant PRE_992) Junta de Castilla y León - FEDER (Project VA009P17) 2019-09-18T06:38:17Z 2019-09-18T06:38:17Z 2019 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Languages, 2019, vol. 3, n. 4. 21 p. 2226-471X http://uvadoc.uva.es/handle/10324/37994 10.3390/languages4030068 eng https://www.mdpi.com/2226-471X/4/3/68 Attribution-NonCommercial-NoDerivatives 4.0 Internacional info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0/ © 2019 MPDI application/pdf MPDI https://uvadoc.uva.es/bitstream/10324/37994/4/Language-Math-What-If-Two-Naming-Systems.pdf.jpg Hispana TEXT http://creativecommons.org/licenses/by-nc-nd/4.0/ UVaDOC. Repositorio Documental de la Universidad de Valladolid http://uvadoc.uva.es/handle/10324/37994