Researchers examine how breastfed children perform better in school

Published on February 27, 2014 at 4:43 AM · No Comments

Loads of studies over the years have shown that children who were breastfed score higher on IQ tests and perform better in school, but the reason why remained unclear.

Is it the mother-baby bonding time, something in the milk itself or some unseen attribute of mothers who breastfeed their babies?

Now a new study by sociologists at Brigham Young University pinpoints two parenting skills as the real source of this cognitive boost: Responding to children's emotional cues and reading to children starting at 9 months of age. Breastfeeding mothers tend to do both of those things, said lead study author Ben Gibbs.

"It's really the parenting that makes the difference," said Gibbs. "Breastfeeding matters in others ways, but this actually gives us a better mechanism and can shape our confidence about interventions that promote school readiness."

Gibbs authored the study with fellow BYU professor Renata Forste for the March issue of the Journal of Pediatrics. According to their analysis, improvements in sensitivity to emotional cues and time reading to children could yield 2-3 months' worth of brain development by age 4 (as measured by math and reading readiness assessments).

"Because these are four-year-olds, a month or two represents a non-trivial chunk of time," Gibbs said. "And if a child is on the edge of needing special education, even a small boost across some eligibility line could shape a child's educational trajectory."

The BYU scholars utilized a national data set that followed 7,500 mothers and their children from birth to five years of age. The data set is rich with information on the home environment, including how early and how often parents read to their kids. Additionally, each of the mothers in the study also participated in video-taped activities with their children. As the child tried to complete a challenging task, the mother's supportiveness and sensitivity to their child's emotional cues were measured.

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