Associations between screen-based media use and brain white matter integrity in preschool-aged children
Hutton JS, Dudley J, Horowitz-Kraus T, DeWitt T, Holland SK. JAMA Pediatr. 2020;174(1):e193869. doi:10.1001/jamapediatrics.2019.3869
This interesting study of 417 preschool children is the first to demonstrate that higher than recommended screen time is associated with (1) lower measures of microstructural organization and myelination of brain white matter tracts that support language and emergent literacy skills and (2) lower corresponding cognitive assessment results.