High-tech retainers let paralyzed patients control wheelchairs and computers
From: Medical Design - 04/19/2012 - page 54
By: Stephen Mraz

The Tongue Drive System being developed at the Georgia Institute of
Technology lets incapacitated people, those with high-level spinal chord
injuries, operate a computer or maneuver an electric wheelchair, all by
moving their tongues. The device consists of upper and lower dental
“retainers” a person wears and an Apple iPod or iPhone. 

Read the entire article at:
http://medicaldesign.com/Innovations-High-tech-retainer/index.html

Links:
Tongue Drive System Goes Inside the Mouth to Improve Performance and User
  Comfort 
http://www.sciencedaily.com/releases/2012/02/120220085656.htm
http://www.gatech.edu/newsroom/release.html?nid=110351

Maysam Ghovanloo
http://www.ece.gatech.edu/about/personnel/bio.php?id=147

Tongue-Drive System
http://www.wgntv.com/news/medicalwatch/wgntv-tongue-drive-aug9,0,1227181.story