Here‘s a source for this:

“In the long term, if you look at someone’s brain while they’re playing video games, and if you look at the brain of someone who’s played a lot of video games for a long period, there is a numbness and a reduced activation of the emotional processing center of your brain,”

https://spectrumnews1.com/wi/milwaukee/news/2023/02/24/adam-holman-part-3

I dont know how reliable it is but I wanted to at least know if there were sources.