For years, dads around the world have issued the same stern warning: “Put down the controller and do something productive!” But new research from Swinburne University of Technology may give kids everywhere something to say in return: “Gaming might actually be good for my brain.”
In a climate where governments are pushing for tighter age restrictions on digital platforms and warning about the dangers of screen time, this study offers a surprising twist. It doesn’t just lump all screen use into one category—it shows that not all digital experiences are created equal.
The Screen Time Showdown: Not All Screens Are Equal
Using a brain-monitoring method called functional near-infrared spectroscopy (fNIRS), researchers observed how young adult brains responded to three common screen-based activities: watching TV, gaming, and scrolling through social media apps on a phone. The results challenge long-standing assumptions about what’s “bad” for young brains.
Brain on Gaming: Oxygen Flow and Focus
Gaming, often criticized for being addictive and isolating, actually triggered a notable increase in both oxygenated and deoxygenated hemoglobin in the brain—meaning more blood was flowing and more oxygen was being used. This kind of activity is associated with higher cognitive engagement.
Even more interesting, gamers reported feeling more focused, and their brain scans backed it up. The increase in deoxygenated hemoglobin is a sign that the brain was not just passively receiving information but actively processing and solving problems.
Social Media: More Stimulating, Less Focusing
Social media also led to an increase in oxygenated hemoglobin compared to watching TV, suggesting that it’s more stimulating than passive screen time. However, participants reported feeling less focused while using social media, and their brain activity reflected that. Those who felt the least focused showed the lowest levels of brain engagement.
In short, social media might light up the brain, but it doesn’t necessarily lead to meaningful cognitive stimulation. It’s like eating a sugary snack—quick energy, but little substance.
TV Watching: The Least Demanding of the Three
As expected, television viewing produced the least amount of brain activity. This aligns with previous studies that show passive screen time doesn’t challenge the brain as much. Watching TV may be relaxing, but it doesn’t offer the same cognitive benefits that come from interaction or engagement.
Why This Study Matters
This research matters because it goes beyond the “screen time is bad” narrative. It shows that the type of screen use is just as important—if not more so—than the amount of time spent. Gaming, when done in moderation and with age-appropriate content, may actually help young people develop stronger attention skills and stimulate cognitive functions.
For parents and policymakers, the takeaway is clear: Blanket bans and restrictions may miss the point. Instead of focusing solely on limiting screen time, we should be asking what kinds of screen experiences young people are having—and what those experiences are doing to their brains.
Further Reading & Resources
Summary of the research findings and commentary from the study’s authors.
An introduction to functional near-infrared spectroscopy and how it measures brain activity.
Insights into how social media affects emotional and cognitive well-being.
A curated list of video games that are fun, educational, and developmentally appropriate for kids and teens.
This evolving body of research adds nuance to the screen time debate. Instead of treating all digital activities as equal, it’s time to understand which ones help our brains—and which ones just pass the time.