techRivet.com has been trying to stay on top of the whole Brain Computer Interface [BCI] technologies for awhile now. [here]
We've even talked about NeuroSky themselves and their almost-ready-for-consumer BCI unit.
Now we can see it in action
The games look somewhat basic at the moment, but give it time. If it is anything like the Wii controller and how fast people are adapting and mod-ing its uses...well it might be an interesting phase of computer interface development coming up.