Not all screen use is bad
Published Aug 17 at 17:30
For parents and educators used to hearing about the downsides of devices, the latest findings offer a more nuanced take. In an eight-year Finnish study, children who spent more time with screens had better cognitive outcomes as adolescents. Researchers looked at how physical activity, sedentary behavior, and screen use changed between childhood and the teen years. They also checked for gender differences and considered the intensity of physical activity.
Even with the positive screen-time link, the authors stress that low levels of physical activity in adolescence remain a serious public health issue. A sedentary lifestyle is associated with poorer academic performance. Meanwhile, exercise supports brain health, particularly in adults. Since the teenage brain is still developing, the factors that shape cognition can have lasting consequences.
What screen-based activity may explain the effect
Greater screen exposure beginning in childhood was tied to more advanced cognitive processing in adolescence. According to the researchers, what matters is likely the kind of screen use. Activities like learning, creative work, and solving problems may account for the association.
"The findings suggest that screen time may actually help cognitive development in children and adolescents. Clearly, the crucial question is what young people are doing with their screens. Teachers and parents should guide children toward screen use that encourages active thinking, problem solving, creativity, and learning."
— Petri Jalanko, doctoral researcher at the University of Jyväskylä
The implications extend beyond the lab. For caregivers, teachers, and schools, the study suggests that managing screen time isn't only about limiting it; adults should also focus on the quality of content children engage with. As digital devices become a normal part of young people's lives, learning to use screens well could prove essential to child development and education.
While the Finnish study highlights potential benefits of screen use, it is essential to consider the broader implications of early exposure to social media. Research suggests that engaging with social platforms too soon may hinder academic progress and cognitive development, posing challenges for students. For a deeper understanding of how early social media access can impact learning outcomes, read more about the risks involved in our detailed analysis here.