Amy E Margolis, Paige Greenwood, Alex Dranovsky, Virginia Rauh
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The Role of Environmental Chemicals in the Etiology of Learning Difficulties: A Novel Theoretical Framework.
Children from economically disadvantaged communities have a disproportionate risk of exposure to chemicals, social stress, and learning difficulties. Although animal models and epidemiologic studies link exposures and neurodevelopment, little focus has been paid to academic outcomes in environmental health studies. Similarly, in the educational literature, environmental chemical exposures are overlooked as potential etiologic factors in learning difficulties. We propose a theoretical framework for the etiology of learning difficulties that focuses on these understudied exogenous factors. We discuss findings from animal models and longitudinal, prospective birth cohort studies that support this theoretical framework. Studies reviewed point to the effects of prenatal exposure to polycyclic aromatic hydrocarbons on reading comprehension and math skills via effects on inhibitory control processes. Long term, this work will help close the achievement gap in the United States by identifying behavioral and neural pathways from prenatal exposures to learning difficulties in children from economically disadvantaged families.
期刊介绍:
Mind, Brain, and Education (MBE), recognized as the 2007 Best New Journal in the Social Sciences & Humanities by the Association of American Publishers" Professional & Scholarly Publishing Division, provides a forum for the accessible presentation of basic and applied research on learning and development, including analyses from biology, cognitive science, and education. The journal grew out of the International Mind, Brain, and Education Society"s mission to create a new field of mind, brain and education, with educators and researchers expertly collaborating in integrating the variety of fields connecting mind, brain, and education in research, theory, and/or practice.