Screen time in early childhood
Arch Say Child. 2017; 97: 935-942
These trends raise concerns because excessive screen time in early childhood is correlated with a range of negative physical, psychosocial and cognitive outcomes.
J Pediatr Child Health. 2017; 53: 333-338
Several mechanisms have been proposed to explain these associations. Excessive screen time during infancy, when the brain is very plastic, could impair the development of brain structure. A 2019 study found MRI evidence of adverse associations between screen time and the microstructural integrity of white matter pathways implicated in literacy and executive function in children aged 3-5 years.
- Hutton JS
- Dudley J
- Horowitz-Kraus T
- DeWitt T
- Holland SK
Detrimental associations between screen time and emerging language and literacy skills became insignificant when adjusted for household income.