Screen Time Linked to Brain Changes and Development

Screen Time and Toddlers

A splashy study published in JAMA Pediatrics this week titled Associations Between Screen-Based Media Use and Brain White Matter Integrity in Preschool-Aged Children suggests that increased screen time could detrimentally affect preschooler brain structure. The findings sound extreme: More screen time meant lower expressive language, less ability to rapidly name objects, and decreased literacy skills. There were also physical changes to the brain — specifically lower brain white matter integrity in a portion of the brain directly impacting language and literacy skills.


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