Video-game studies have serious flaws : Nature News

Video-game studies have serious flaws : Nature News is a good review of of the studies of video game effects on children & young adults.

"Boot and his colleagues say that none of the studies they examined avoided all of the methodological pitfalls, and that this raises doubts about the cumulative evidence that action video games enhance cognition. Boot stresses that the studies' claims are not necessarily wrong — but although the available evidence is promising, it is not compelling enough for researchers to draw strong conclusions legitimately."