Finnish study links quality screen time to adolescent cognitive skills

A Finnish study published in Pediatric Exercise Science suggests that screen time during childhood may be linked to improved cognitive processing during adolescence, provided the usage is active rather than passive. Researchers from the University of Jyväskylä analyzed data from the long-running Physical Activity and Nutrition in Children (PANIC) study, following 260 teenagers for approximately eight years.

The findings indicate that the quality of screen time is a critical factor. Activities involving learning, creativity, problem-solving, or language acquisition appear to support cognitive development, whereas passive consumption of short clips may not yield the same benefits. The study utilized the CogState battery to measure cognitive areas such as learning, attention, memory, and processing speed.

The research also noted gender-specific links to physical activity. In girls, light-intensity physical activity from childhood was associated with better working memory in adolescence. In boys, participation in organized, adult-supervised physical activity was linked to more efficient working memory. Researchers emphasize that these findings are not an endorsement for excessive device use but highlight the importance of balancing screen time with physical activity and meaningful mental engagement.