The Hindu News Update Service
News Update Service
Monday, June 29, 2009 : 1615 Hrs
Sci. & Tech.
Toyota technology has brain waves move wheelchair
TOKYO (AP): Toyota Motor Corp. says it has developed a way of steering a
wheelchair by just detecting brain waves, without the person having to move a
muscle
or shout a command.
Toyota's system, developed in a collaboration with researchers in Japan, is
among the fastest in the world in analyzing brain waves, it said in a release
on Monday.
Past systems required several seconds to read brain waves, but the new
technology requires only 125 milliseconds.
The person in the wheelchair wears a cap that can read brain signals, which are
relayed to a brain scan electroencephalograph, or EEG, on the electrically
powered wheelchair, and then analyzed in a computer program.
Research into mobility is part of Toyota's larger strategy to go beyond
automobiles in helping people get around in new ways.
The new system allows the person on the wheelchair to turn left or right and go
forward, almost instantly, according to researchers.
Coming to a stop still requires more than a thought. The person in the
wheelchair must puff up a cheek, which is picked up in a detector worn on the
face.
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