Using Brain Interface to post "Tweets"

Researchers at the University of Wisconsin-Madison have developed a brain-computer interface that allows users to focus on a character and type the corresponding letter the user is thinking of. The device uses an electrode filled cap wired to a computer to sense electric brain activity. The screen will intermittently flash all the letters in the alphabet displayed in rows. When the user looks at "S" and other letters are flashing, nothing happens. But once the "S" flashes, the brain detects a change in the incoming perception, thus slightly alters brain activity. The interface also has an icon which the user can focus on to post "tweets" on the micro-blogging site Twitter.com. Personally, I think this is great, but similar feats have already been accomplished. Developers at National Instruments have created an interface that allows users to play Super Mario Bros. by only moving their eyes. The technology to move a cursor displayed on a monitor by merely thinking about it also already exists. However, the procedure of the flashing letters is highly innovative and will allow users who are capable of little or no movement to interact and communicate. Below is a link to the video of someone posting tweets with the interface.

http://nitrolab.engr.wisc.edu/media/P3Twitter.mov

resource:

http://insciences.org/article.php?article_id=4416