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  • Prenatal exposure to...

Prenatal exposure to air pollution associated with poor academics in childhood: Study

Hina ZahidWritten by Hina Zahid Published On 2021-07-26T09:00:39+05:30  |  Updated On 2021-07-26T09:01:09+05:30
Prenatal exposure to air pollution associated with poor academics in childhood: Study

USA: Higher prenatal exposure to air pollution is associated with poor academic skills in early adolescence, including spelling, reading comprehension, and math skills, and poor inhibitory control during late childhood, conclude researchers from a recent study in Environmental Research. The researchers also found that inhibition in late childhood was a precursor to later air...

USA: Higher prenatal exposure to air pollution is associated with poor academic skills in early adolescence, including spelling, reading comprehension, and math skills, and poor inhibitory control during late childhood, conclude researchers from a recent study in Environmental Research. The researchers also found that inhibition in late childhood was a precursor to later air pollution-related academic problems. Outcomes may be improved by an intervention that targets inhibitory control. 

"Children with poor inhibitory control are less able to override a common response in favor of a more unusual one--such as the natural response to say 'up' when an arrow is facing up or 'go' when a light is green--and instead say 'down' or 'stop,'" says first author Amy Margolis, PhD, associate professor of medical psychology in the Department of Psychiatry at Columbia University Irving Medical Center. "By compromising childhood inhibitory control, prenatal exposure to air pollution may alter the foundation upon which later academic skills are built."

"When evaluating student's learning problems and formulating treatment plans, parents and teachers should consider that academic problems related to environmental exposures may require intervention focused on inhibitory control problems, rather than on content-related skill deficits, as is typical in interventions designed to address learning disabilities," Margolis adds.

"This study adds to a growing body of literature showing the deleterious health effects of prenatal exposure to air pollution on child health outcomes, including academic achievement," says co-author Julie Herbstman, PhD, CCCEH director and associate professor of environmental health sciences at Columbia Mailman School. "Reducing levels of air pollution may prevent these adverse outcomes and lead to improvements in children's academic achievement."

The new findings align with prior Columbia research finding a DNA marker for PAH exposure was associated with altered development of self-regulatory capacity and ADHD symptoms.

The study followed 200 children enrolled in a longitudinal cohort study in Northern Manhattan and the Bronx led by CCCEH researchers. Researchers collected measures of prenatal airborne polycyclic aromatic hydrocarbons (PAH, a major component of air pollution) during the third trimester of pregnancy, a period when the fetus is highly vulnerable to environmental insults. Tests of inhibitory control were administered at or around age 10 and tests of academic achievement, at or around age 13.

Inhibitors Control and Learning

When students learn new concepts, they often need to override a previous habit in order to incorporate a new rule into a skill. For example, when learning to read a vowel a child will learn that the letter a has a short vowel sound "a as in apple" but a long sound when the consonant is followed by a "magic e," as in "rate."

Reference:

The study titled, "Prenatal exposure to air pollution is associated with childhood inhibitory control and adolescent academic achievement," is published in the journal Environmental Research.

DOI: https://www.sciencedirect.com/science/article/abs/pii/S0013935121008641

air pollution childhood adolescence environmental research polycyclic aromatic hydrocarbons academics 
Source : Environmental Research
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

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