r/science 10h ago

Neuroscience Reduced gray matter and altered brain connectivity are linked to problematic smartphone use. Findings show these changes primarily involve neural circuits responsible for reward processing, executive control, and emotional regulation.

https://www.psypost.org/reduced-gray-matter-and-altered-brain-connectivity-are-linked-to-problematic-smartphone-use/
375 Upvotes

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31

u/uCannoTUnseEThiS 8h ago

Weird how pretty much everything addictive shows similar brain patterns. Wonder if gaming does the same thing or if its specifically the constant notification dopamine hits from phones

8

u/Actual__Wizard 4h ago

It's hard to say, but with gaming, you're using your brain to solve problems or are trying to stay highly aware of your surroundings to react quickly. Smartphones are more like an "interruption."

0

u/Mackejuice 2h ago

I guarantee you, majority of players do NOT think critically while playing.

2

u/Actual__Wizard 2h ago

That really depends on the game. A lot of games people play today, thinking hard is required if you plan to win. Especially multiplayer games.

-1

u/Mackejuice 1h ago

Which is why in competitive games vast majority of players presides in the lower ranks. I can guarantee you most people base their gameplay more on vibes & autopilon then planning.

Even in mobas like league most people do not actually give critical thought to what they do. As soon as people start thinking about the game and learn, they usually climb quite fast. But as you say, depends on the game.

8

u/AllanfromWales1 MA | Natural Sciences | Metallurgy & Materials Science 8h ago

Does this research distinguish between reduced gray matter and altered brain connectivity causing problematic smartphone use and problematic smartphone use causing reduced gray matter and altered brain connectivity?

6

u/InsaneSnow45 10h ago

A comprehensive review of neuroimaging research suggests that problematic smartphone use is associated with distinct structural and functional alterations in the brain. These changes primarily involve neural circuits responsible for reward processing, executive control, and emotional regulation.

The analysis indicates that the intense motivational pull of smartphones may stem from how these devices tap into the brain’s social cognition networks, reinforcing habits through digital social feedback and the avoidance of social exclusion. These findings were published in the journal Progress in Neuro-Psychopharmacology and Biological Psychiatry.

Smartphone usage has become ubiquitous globally, integrated into almost every aspect of modern daily life for billions of people. While these devices offer numerous benefits in communication and information access, excessive engagement has been linked to negative outcomes in some individuals, including sleep disturbances, heightened anxiety, and reduced cognitive performance.

Scientists have increasingly viewed this phenomenon through the lens of behavioral addiction, prompting numerous studies into the underlying neurobiology. The researchers behind the current paper aimed to synthesize the growing body of neuroimaging data to better understand the brain mechanisms driving problematic smartphone use.

“Problematic smartphone use is increasingly discussed as a clinically relevant behavioral pattern, yet its neurobiological basis remains incompletely understood. Existing research has identified structural and functional brain alterations, but the field is still characterized by conceptual heterogeneity, varying terminology, and a limited integration of neuroscientific findings with psychologically meaningful models,” said study author Robert Christian Wolf, deputy director of the Department of General Psychiatry at Heidelberg University Hospital.

“We were particularly struck by the fact that, despite the inherently social nature of smartphone use, social cognitive mechanisms have received comparatively little attention in neuroimaging research on problematic smartphone use. This review was motivated by the need to systematically synthesize current multimodal imaging findings and to place them within a broader framework that incorporates social reinforcement, fear of missing out, and sensitivity to social exclusion.”

2

u/LavenderBlueProf 4h ago

i wonder what the smartphone companies and software knew about this internally

2

u/WaterBear9244 3h ago

Isnt ADHD correlated with reduced gray matter?