Is Screen Time Bad for Kids' Brains?

Posted in: Internet Use/New Technologies at 11/12/2018 21:03

A generation ago, parents worried about the effects of TV; before that, it was radio. Now, the concern is “screen time,” a catchall term for the amount of time that children, especially preteens and teenagers, spend interacting with TVs, computers, smartphones, digital pads, and video games. This age group draws particular attention because screen immersion rises sharply during adolescence, and because brain development accelerates then, too, as neural networks are pruned and consolidated in the transition to adulthood.

On Sunday evening, CBS’s “60 Minutes” reported on early results from the A.B.C.D. Study (for Adolescent Brain Cognitive Development), a $300 million project financed by the National Institutes of Health. The study aims to reveal how brain development is affected by a range of experiences, including substance use, concussions, and screen time. As part of an exposé on screen time, “60 Minutes” reported that heavy screen use was associated with lower scores on some aptitude tests, and to accelerated “cortical thinning" — a natural process — in some children. But the data is preliminary, and it’s unclear whether the effects are lasting or even meaningful.
https://www.nytimes.com/2018/12/10/health/screen-time-kids-psychology.html

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