Singapore Study Links Heavy Infant Screen Time To Teen Anxiety

A study by a Singapore government agency has found that children exposed to high levels of screen time before age two showed brain development changes linked to slower decision-making and higher anxiety in adolescence, adding to concerns about early digital exposure. The study was conducted by a team within the country’s Agency for Science, Technology and Research and the National University of Singapore, and published in The Lancet’s eBioMedicine open access journal. It tracked 168 children for more than a decade, and conducted brain scans on them at three time points. Heavier screen exposure among very young children was associated with “accelerated maturation of brain networks” responsible for vision and cognitive control, the study found.

The researchers suggested this may have been the result of “intense sensory stimulation that screens provide.” They found that screen time measured at ages three and four, however, did not show the same effects. Those children with “altered brain networks” took longer to make decisions when they were 8.5, and also had higher anxiety symptoms at age 13, the study said.