Hitachi: Move the train with your brain

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HATOYAMA, Japan - Forget the clicker: A new technology in Japan could let you control electronic devices without lifting a finger simply by reading brain activity.

The "brain-machine interface" developed by Hitachi Inc. analyzes slight changes in the brain’s blood flow and translates brain motion into electric signals.

A cap connects by optical fibers to a mapping device, which links, in turn, to a toy train set via a control computer and motor during one recent demonstration at Hitachi’s Advanced Research Laboratory in Hatoyama, just outside Tokyo.

"Take a deep breath and relax," said Kei Utsugi, a researcher, while demonstrating the device on Wednesday.

At his prompting, a reporter did simple calculations in her head, and the train sprang forward a€" apparently indicating activity in the brain’s frontal cortex, which handles problem solving.

Activating that region of the brain a€" by doing sums or singing a song a€" is what makes the train run, according to Utsugi. When one stops the calculations, the train stops, too.

Underlying Hitachi’s brain-machine interface is a technology called optical topography, which sends a small amount of infrared light through the brain’s surface to map out changes in blood flow.

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Posted: June 25th, 2007
at 10:14am by Koookiecrumbles


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