Tongue movements allow quadriplegics to control computers

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Ear pressure sensor partially inserted into the ear canal to detect signals from tongue movements. Credit: Vaidyanathan et al. 2007 IEEE.
Ear pressure sensor partially inserted into the ear canal to detect signals from tongue movements. Credit: Vaidyanathan, et al. ©2007 IEEE.

Using the pressure waves in the ear caused by tongue movements, researchers have designed a technique for interfacing with computers. For the millions of people living with spinal cord injuries, this hands-free, non-intrusive method to work with computers could enable many people to lead more independent and productive lives.


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