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Prenatal Trace Elements Mixture Is Associated with Learning Deficits on a Behavioral Acquisition Task among Young Children

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Title: Prenatal Trace Elements Mixture Is Associated with Learning Deficits on a Behavioral Acquisition Task among Young Children
Language: English
Authors: Merced-Nieves, Francheska M. (ORCID 0000-0003-0947-4029), Chelonis, John, Pantic, Ivan, Schnass, Lourdes, Téllez-Rojo, Martha M., Braun, Joseph M., Paule, Merle G., Wright, Rosalind J., Wright, Robert O., Curtin, Paul
Source: New Directions for Child and Adolescent Development. Mar 2022 (181-182):53-66.
Availability: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
Peer Reviewed: Y
Page Count: 14
Publication Date: 2022
Document Type: Journal Articles
Reports - Research
Descriptors: Young Children, Foreign Countries, Learning Problems, Prenatal Influences, Hazardous Materials, Task Analysis, Cognitive Development, Child Development, Child Behavior
Geographic Terms: Mexico (Mexico City)
DOI: 10.1002/cad.20458
ISSN: 1520-3247
1534-8687
Abstract: Children are exposed to many trace elements throughout their development. Given their ubiquity and potential to have effects on children's neurodevelopment, these exposures are a public health concern. This study sought to identify trace element mixture-associated deficits in learning behavior using operant testing in a prospective cohort. We included 322 participants aged 6-7 years recruited in Mexico City with complete data on prenatal trace elements measurements (third trimester blood lead and manganese levels, and & urine cadmium and arsenic levels), demographic covariates, and the Incremental Repeated Acquisition (IRA), an associative learning task. Weighted quantile sum (WQS) regression models were used to estimate the joint association of the mixture of all four trace elements and IRA performance. Performance was adversely impacted by the mixture, with different elements relating to different aspects of task performance suggesting that prenatal exposure to trace element mixtures yields a broad dysregulation of learning behavior.
Abstractor: As Provided
Entry Date: 2022
Accession Number: EJ1348921
Database: ERIC
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  Data: Prenatal Trace Elements Mixture Is Associated with Learning Deficits on a Behavioral Acquisition Task among Young Children
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  Data: <searchLink fieldCode="AR" term="%22Merced-Nieves%2C+Francheska+M%2E%22">Merced-Nieves, Francheska M.</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0003-0947-4029">0000-0003-0947-4029</externalLink>)<br /><searchLink fieldCode="AR" term="%22Chelonis%2C+John%22">Chelonis, John</searchLink><br /><searchLink fieldCode="AR" term="%22Pantic%2C+Ivan%22">Pantic, Ivan</searchLink><br /><searchLink fieldCode="AR" term="%22Schnass%2C+Lourdes%22">Schnass, Lourdes</searchLink><br /><searchLink fieldCode="AR" term="%22Téllez-Rojo%2C+Martha+M%2E%22">Téllez-Rojo, Martha M.</searchLink><br /><searchLink fieldCode="AR" term="%22Braun%2C+Joseph+M%2E%22">Braun, Joseph M.</searchLink><br /><searchLink fieldCode="AR" term="%22Paule%2C+Merle+G%2E%22">Paule, Merle G.</searchLink><br /><searchLink fieldCode="AR" term="%22Wright%2C+Rosalind+J%2E%22">Wright, Rosalind J.</searchLink><br /><searchLink fieldCode="AR" term="%22Wright%2C+Robert+O%2E%22">Wright, Robert O.</searchLink><br /><searchLink fieldCode="AR" term="%22Curtin%2C+Paul%22">Curtin, Paul</searchLink>
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  Data: <searchLink fieldCode="SO" term="%22New+Directions+for+Child+and+Adolescent+Development%22"><i>New Directions for Child and Adolescent Development</i></searchLink>. Mar 2022 (181-182):53-66.
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  Data: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
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  Data: 14
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  Data: <searchLink fieldCode="DE" term="%22Young+Children%22">Young Children</searchLink><br /><searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink><br /><searchLink fieldCode="DE" term="%22Learning+Problems%22">Learning Problems</searchLink><br /><searchLink fieldCode="DE" term="%22Prenatal+Influences%22">Prenatal Influences</searchLink><br /><searchLink fieldCode="DE" term="%22Hazardous+Materials%22">Hazardous Materials</searchLink><br /><searchLink fieldCode="DE" term="%22Task+Analysis%22">Task Analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Cognitive+Development%22">Cognitive Development</searchLink><br /><searchLink fieldCode="DE" term="%22Child+Development%22">Child Development</searchLink><br /><searchLink fieldCode="DE" term="%22Child+Behavior%22">Child Behavior</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Mexico+%28Mexico+City%29%22">Mexico (Mexico City)</searchLink>
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  Data: 10.1002/cad.20458
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  Data: Children are exposed to many trace elements throughout their development. Given their ubiquity and potential to have effects on children's neurodevelopment, these exposures are a public health concern. This study sought to identify trace element mixture-associated deficits in learning behavior using operant testing in a prospective cohort. We included 322 participants aged 6-7 years recruited in Mexico City with complete data on prenatal trace elements measurements (third trimester blood lead and manganese levels, and & urine cadmium and arsenic levels), demographic covariates, and the Incremental Repeated Acquisition (IRA), an associative learning task. Weighted quantile sum (WQS) regression models were used to estimate the joint association of the mixture of all four trace elements and IRA performance. Performance was adversely impacted by the mixture, with different elements relating to different aspects of task performance suggesting that prenatal exposure to trace element mixtures yields a broad dysregulation of learning behavior.
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