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(Excerpted from United Press International, Wednesday,
Oct. 11,
2006)
Teenager moves video icons by imagination
A U.S. boy has become the first teenager to play a two-dimensional video game using only the signals from his brain to make movements.
Washington University researchers say the unidentified 14-year-old St. Louis boy's achievement might lead to creation of biomedical devices that can control artificial limbs, enabling the movement of a prosthesis by just thinking about it.
Researchers placed a grid on the boy's brain to record brain surface signals -- an interface technique that uses electrocorticographic activity. Engineers programmed the video game -- Space Invaders -- to interface with the brain-machine interface system...
The study was led by Dr. Eric Leuthardt, assistant professor of neurological surgery, and Daniel Moran, assistant professor of biomedical engineering...
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