This kind of study really annoys me. From the article:
>The researchers think the learning problems result from the drop in after-school actives with educational value.
In other words, it isn't actually video games that are the problem, but the kids doing less "after-school actives with educational value" - i.e. this is an issue for the parents.
I let my six year old son play his Playstation for some hours at the weekend, on the condition that every night he reads to me. Learning to read is hard work, using the Playstation to motivate him actually works really well. My son is learning to read much quicker than many of his classmates, thanks to the Playstation...