Francheska M Merced-Nieves, John Chelonis, Ivan Pantic, Lourdes Schnass, Martha M Téllez-Rojo, Joseph M Braun, Merle G Paule, Rosalind J Wright, Robert O Wright, Paul Curtin
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...
April 16, 2022: New Directions for Child and Adolescent Development