A new wireless device has allowed paralyzed people to drive a wheelchair simply by moving their tongues.
In a clinical trial, people with paralysis of all four limbs, a condition known as tetraplegia, effectively used the tongue-drive system to steer a wheelchair through an obstacle course or operate a computer.
High-level spinal cord injuries, a major cause of paralysis, currently afflict about 250,000 people in the United States.
"As of now, paralyzed individuals have very limited options," said study leader Maysam Ghovanloo, an electrical engineer at the Georgia Institute of Technology in Atlanta. The device could give people with severe disabilities greater independence and better quality of life, Ghovanloo told LiveScience Read more...
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