An interesting article on a art/sociological project on kids faces as they play violent video games. It’s all in an attempt to understand the effects of spending a lot of time in a virtual world. It’s worth watching the video.
Conclusions: All the kids are intently focused on the games. The most expressive kids at school also express the most emotion while gaming. The hardened gamers remain utterly emotionless (it’s kind of freaky). Some games have unique facial expressions associated with them.