have you seen this....
 

Brain waves control video game

A video game in which the character is controlled directly from a player's brain without the need for wires has been developed by researchers.

http://newsimg.bbc.co.uk/media/image..._game_demo.jpg

http://newsimg.bbc.co.uk/media/image...pwires203b.jpg

http://newsimg.bbc.co.uk/media/image...alance203i.jpg

http://newsimg.bbc.co.uk/media/image...erebus203b.jpg

http://news.bbc.co.uk/1/hi/technology/3485918.stm