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Initial word recognition results were an average of 92 percent accurate.The first subvocal words the system 'learned' were 'stop,' 'go,' 'left,' 'right,' 'alpha' and 'omega,' and the digits 'zero' through 'nine.' Silently speaking these words, scientists conducted simple searches on the Internet by using a number chart representing the alphabet to control a Web browser program."We took the alphabet and put it into a matrix -- like a calendar.People in noisy conditions could use the system when privacy is needed, such as during telephone conversations on buses or trains, according to scientists."An expanded muscle-control system could help injured astronauts control machines.If an astronaut is suffering from muscle weakness due to a long stint in microgravity, the astronaut could send signals to software that would assist with landings on Mars or the Earth, for example," Jorgensen explained.
We used the numbers again to choose Web pages to examine.
"Biological signals arise when reading or speaking to oneself with or without actual lip or facial movement," Jorgensen explained.
In their first experiment, scientists 'trained' special software to recognize six words and 10 digits that the researchers repeated subvocally.
His team is planning tests with a simulated Mars rover.
"We can have the model rover go left or right using silently 'spoken' words," Jorgensen said.