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Laplante, David P.; Zelazo, Philip R.; Brunet, Alain; King, Suzanne – Infancy, 2007
Toddler toy play evolves in a predictable manner and provides a valid, nonverbal measure of cognitive function unbiased by social behaviors. Research on prenatal maternal stress (PNMS) indicates that exposure to stress in utero results in developmental deficits. We hypothesized that children exposed to high objective PNMS from a natural disaster…
Descriptors: Cognitive Development, Language Acquisition, Play, Natural Disasters
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Muckle, Gina; Ayotte, Pierre; Dewailly, Eric; Jacobson, Sandra W.; Jacobson, Joseph L. – Environmental Health Perspectives, 2001
Through their marine-based diet, the Inuit of Nunavik (Quebec) are exposed to neurotoxic environmental contaminants that impact cognitive development. Mercury levels in Nunavik Inuit mothers and newborns were higher than in U.S. and Canadian populations but lower than in previous Arctic samples. Lead, polychlorinated biphenyls, chorinated…
Descriptors: Canada Natives, Child Health, Environmental Influences, Eskimos
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Huijbregts, S. C. J.; Seguin, J. R.; Zelazo, P. D.; Parent, S.; Japel, C.; Tremblay, R. E. – Infant and Child Development, 2006
Maternal prenatal smoking, birth weight and sociodemographic factors were investigated in relation to cognitive abilities of 1544 children (aged 3.5 years) participating in the Quebec Longitudinal Study of Children's Development. The Peabody Picture Vocabulary Test (PPVT) was used to assess verbal ability, the Wechsler Preschool and Primary Scale…
Descriptors: Body Weight, Family Income, Smoking, Pregnancy