Clue to Damage in Preemie Boys A new study finds an intriguing reason why boys born prematurely are at a greater risk for developmental and cognitive problems than girls. Premature boys, by age 8, have less white matter -- the material that allows different parts of the brain to communicate with each other. NPR's Michelle Trudeau reports.
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Clue Found to Cognitive Problems in Preemie Boys

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Clue Found to Cognitive Problems in Preemie Boys

Clue Found to Cognitive Problems in Preemie Boys

Clue Found to Cognitive Problems in Preemie Boys

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  • <iframe src="https://www.npr.org/player/embed/3840065/3840066" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

This MRI shows regions where white matter volumes were significantly reduced in boys born preterm. Blue marks the temporal lobe and red the deep cerebral region. Journal of Pediatrics hide caption

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Journal of Pediatrics

This MRI shows regions where white matter volumes were significantly reduced in boys born preterm. Blue marks the temporal lobe and red the deep cerebral region. Journal of Pediatrics hide caption

toggle caption
Journal of Pediatrics

Researchers have known that boys born prematurely are at a greater risk for developmental and cognitive problems than girls. A new study in the Journal of Pediatrics finds an intriguing reason why. Premature boys, by age 8, have less white matter — the material that allows different parts of the brain to communicate with each other. NPR's Michelle Trudeau reports.