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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

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

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.

Original languageEnglish
Title of host publicationOne Century of the Discovery of Arsenicosis in Latin America (1914-2014)
Subtitle of host publicationAs 2014 - Proceedings of the 5th International Congress on Arsenic in the Environment
PublisherCRC Press/Balkema
Pages553-555
Number of pages3
ISBN (Print)9781138001411
DOIs
StatePublished - 2014
Externally publishedYes
Event5th International Congress on Arsenic in the Environment, As 2014 - Buenos Aires, Argentina
Duration: 11 May 201416 May 2014

Publication series

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

Conference

Conference5th International Congress on Arsenic in the Environment, As 2014
Country/TerritoryArgentina
CityBuenos Aires
Period11/05/1416/05/14

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