Performance on an executive function task among Uruguayan school children exposed to low-level arsenic

G. Barg, M. Vahter, E. I. Queirolo, N. Mañay, K. Kordas

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

Resumen

Arsenic is a known neurotoxic with demonstrated effects on child IQ, particularly in regions of the world characterized by high-level arsenic exposure. Less is known about the effects of low-level exposure on child cognition and about effects other than general cognitive abilities. We examined the extent to which low-level exposure in school children is related to performance on an executive function task (the Internal/External Dimension Shift task). Sum of inorganic arsenic metabolites in the urine of these children was low (14.4 ± 11.9 μg L-1) and not associated with measures of task performance in adjusted models. The same was true for %MMA. The multivariate models need to be interpreted with caution and replicated in other studies. Based on this study, we find little effects of low-level arsenic exposure on executive function, particularly the ability to learn new rules.

Idioma originalInglés
Título de la publicación alojadaOne Century of the Discovery of Arsenicosis in Latin America (1914-2014)
Subtítulo de la publicación alojadaAs 2014 - Proceedings of the 5th International Congress on Arsenic in the Environment
EditorialCRC Press/Balkema
Páginas553-555
Número de páginas3
ISBN (versión impresa)9781138001411
DOI
EstadoPublicada - 2014
Publicado de forma externa
Evento5th International Congress on Arsenic in the Environment, As 2014 - Buenos Aires
Duración: 11 may. 201416 may. 2014

Serie de la publicación

NombreOne Century of the Discovery of Arsenicosis in Latin America (1914-2014): As 2014 - Proceedings of the 5th International Congress on Arsenic in the Environment

Conferencia

Conferencia5th International Congress on Arsenic in the Environment, As 2014
País/TerritorioArgentina
CiudadBuenos Aires
Período11/05/1416/05/14

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