Tongue Drive System Commands (image) Georgia Institute of Technology Share Print E-Mail Caption The circuitry for the new intraoral Tongue Drive System developed at Georgia Tech is embedded in this dental retainer worn in the mouth (right). The system interprets commands from seven different tongue movements to operate a computer (left) or maneuver an electrically powered wheelchair. Credit Georgia Tech/Maysam Ghovanloo Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.