A new study documents structural differences in the brains of preschool-age children related to screen-based media use.
The study, published in JAMA Pediatrics, shows that children who have more screen time have lower structural integrity of white matter tracts in parts of the brain that support language and other emergent literacy skills. These skills include imagery and executive function -- the process involving mental control and self-regulation. These children also have lower scores on language and literacy measures.
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