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Future warriors to 'taste' battlefield
Published on Tue, Apr 25, 2006 at 12:42, Updated on Tue, Apr 25, 2006 at 12:55 in 
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Pensacola (Florida): In their quest to create the super warrior of the future, some military researchers aren't focusing on organs like muscles or hearts.
They're looking at tongues.
By routing signals from helmet-mounted cameras, sonar and other equipment through the tongue to the brain, they hope to give elite soldiers superhuman senses similar to owls, snakes and fish.
Researchers at the Florida Institute for Human and Machine Cognition envision their work giving Army Rangers 360-degree unobstructed vision at night and allowing Navy SEALs to sense sonar in their heads while maintaining normal vision underwater - turning sci-fi into reality.
The device, known as Brain Port, was pioneered more than 30 years ago by Dr Paul Bach-y-Rita, a University of Wisconsin neuroscientist.
Bach-y-Rita began routing images from a camera through electrodes taped to people's backs and later discovered the tongue was a superior transmitter.
A narrow strip of red plastic connects the Brain Port to the tongue where 144 microelectrodes transmit information through nerve fibers to the brain.
Instead of holding and looking at compasses and bluky-hand-held sonar devices, the divers can processes the information through their tongues, said the project's lead scientist Dr Anil Raj.
In testing, blind people found doorways, noticed people walking in front of them and caught balls.
A version of the device, expected to be commercially marketed soon, has restored balance to those whose vestibular systems in the inner ear were destroyed by antibiotics.
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