Artificial Intelligence

Brains, Bandwidth and Elon Musk

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This works as a result of when the themes think about saying phrases, the electrodes measure their motor neurons, whose firing fee incorporates details about how they’re attempting to maneuver their tongue and larynx. From these knowledge it’s now potential to find out what phrases individuals are considering of claiming with stunning accuracy. Researchers imagine that with extra electrodes listening to extra neurons, and extra bandwidth, they’ll get even higher at it.

“We don’t want extra electrodes for cursor management, however for speech, we’re in a regime the place knowledge fee issues so much,” says Angle. “It’s very clear we have to enhance the channel rely to make these methods viable. With a thousand electrodes, it is going to be nearly as good as a cellphone transcribing your speech. So on this scenario, sure, you’re growing the knowledge fee by 10 or 100 occasions.”

Backside line: In the case of enhancing communication between nondisabled individuals my sources have been skeptical that extra bandwidth issues. The mind’s going to get in the way in which. However in terms of restoring perform, it does matter. It takes a whole lot of neurons—and a whole lot of knowledge—to get a affected person again to speaking at that primary 40 bits a second.

​​Learn extra from Tech Assessment’s archive

In 2021, I profiled Dennis DeGray, a paralyzed man who, at the moment, was the world report holder for direct brain-to-computer communication. He might kind through his ideas  at 18 phrases a minute “It’s nearly a dialog between the machine and myself,” DeGray instructed me. “It’s a really private interplay.”

However pace data preserve falling. This August, researchers demonstrated that two individuals who’d misplaced the flexibility to talk–one resulting from a stroke, one other due to ALS–have been capable of rapidly utter phrases by means of a pc linked to implants positioned of their brains. Learn the report by Cassandra Willyard right here

A number of years again, Adam Piore recounted the weird story of Phil Kennedy, a pioneering brain-implant researcher who took the intense step of getting an implant put in in his personal mind. 

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