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15 July, 2024
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The complex effects of screens on kids' brain functions

Impact on prefrontal lobe and children's decision-making


In a comprehensive study spanning 23 years and involving over 30,000 children under 12, researchers discovered that prolonged screen exposure induces significant changes in various brain regions.

The study highlights alterations in the prefrontal, parietal, temporal, and occipital lobes, each playing a crucial role in different cognitive functions. Notably, the prefrontal lobe, central to executive functions, showed effects on decision-making and problem-solving.

Screen exposure's impact on the brain is a double-edged sword. On the downside, there's a noticeable decline in functions related to attention, executive control, and cognitive processes. On the upside, some positive outcomes include enhanced focus and learning abilities in the frontal lobe, with video games potentially improving executive functions and cognitive skills.

Children overwhelmingly favor TV, mobiles, and computers for watching videos and cartoons. Intriguingly, the study noted that tablet use correlates with more challenges in problem-solving processes compared to other devices.

Professor Dandan Wu, the study's author from the Education University of Hong Kong, emphasizes that teachers and parents should recognize the impact of digital experiences on children's cognitive development. While restricting screen time remains a debated strategy, Wu suggests exploring innovative, friendly, and practical approaches to address this evolving issue.

In the words of Professor Wu: "Both teachers and parents need to be aware that children's cognitive development can be affected by their digital experiences." He advocates for considering alternative strategies that balance the benefits and drawbacks of screen exposure.

[With information sourced from BebeMou]

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