Seeker78, welcome.
That sounds like my son!
Yes, it is overstimulating. But at the same time, it's calming. Very strange ... it stimulates the frontal lobes with input that is totally useless.
How long does your son game? Hours? My son did. And still can.
I just heard a report on NPR today about someone in the UN, I think, who was at a meeting and he was playing Candy Crush. Aaarrggh!
I cannot tell you how many arguments my son and I had over gaming.
Somehow, we made it through and he is self-policing. More-or-less.

I think the medications he's on help a lot. And the routine is soooo important. If bedtime is at 10 for example, you have to stand over him and make sure it's 10:00. A friend of mine cut the gaming cord in half, and spliced an appliance plug onto the end of it so it couldn't be plugged into a normal wall socket. Then he created a separate cord that plugged into the other end of the appliance plug, and the other end into the wall. (I hope that makes sense.)
When my son refused to quit the game, I just pulled the plug and hid it. (Be sure you know where you hide it. I had to have a new one made! lol)
Yes, he raged. The rages got shorter and after awhile, just the sound of my footsteps was enough to get my son to quit.
We had to do the cord idea because no matter what I took away--the cds, the controller, the DVD player--my son would find a way to play anyway. He'd either use another controller or borrow something from a friend. I had no idea you could mix and match video game components with-regular TV components.
(Side note: when he was little, he got a remote control truck as a gift. We turned on the TV with-the regular remote and the truck took off. Ahhhh! Funny and scary at the same time.)
It will be a useful life task for your son to learn to self-soothe instead of relying on video games. You don't want him to end up working at the UN and then embarrassed on international news!
