HardwareA new brain-computer interface from the co-founder of Neuralink has quadrupled the neural resolution of Musk’s device to 4,096 non-invasive brain electrodesWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
HardwareA new brain-computer interface from the co-founder of Neuralink has quadrupled the neural resolution of Musk’s device to 4,096 non-invasive brain electrodesWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
(Image credit: Precision Neuroscience)
For context,Elon Musk’s Neuralinkcurrently tops out at 1,024 electrodes for its brain-computer interface (BCI). Is electrode count the be all and end all for BCIs? Colour us clueless, for we have no idea. But it certainly get you bragging rights.
Whatever, much like other BCI outfits Precision Neuroscience aims to restore functions, “such as speech and movement to millions of severely paralysed people.”
Where Precision Neuroscience seemingly departs from Neuralink is its attitude to invasiveness. “We believe that it’s possible to interface with the brain without damaging the brain,” Rapoport says.
Notably, he has reportedly also discussed how his concerns over safety and the invasiveness of implants contributed to his departure from Neuralink (viaArs Technica).
Anyway, to set the new record Precision Neuroscience surgically implanted four of its latest Layer 7 Cortical Interface thin-film microelectrode arrays, each containing 1,024 miniature electrodes into an an unnamed subject’s brain during surgery for a benign brain tumour in April.
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Precision says that its thin-film microelectrode array is engineered to conform to the brain’s cortex without damaging tissue. Thousands of channels can be delivered anywhere on the brain’s surface using its patented, minimally invasive insertion method.
As for how it works, when the brain processes information or initiates an action, it generates electrical signals. The thin-film electrodes can capture these signals at micron scale, providing a view into the brain’s activity. More electrodes means more data, a higher resolution picture of brain activity, if you will.
“This record is a significant step towards a new era. The ability to capture cortical information of this magnitude and scale could allow us to understand the brain in a much deeper way,” Rapoport said after the procedure.
Your next machine(Image credit: Future)Best gaming PC: The top pre-built machines.Best gaming laptop: Great devices for mobile gaming.
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(Image credit: Future)Best gaming PC: The top pre-built machines.Best gaming laptop: Great devices for mobile gaming.
(Image credit: Future)
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Notably, Precision’s device does not penetrate the brain at all—it’s a film that sits on top of the outer cortex. Insertion is said to only require a thin slit in the skull through which the ribbon-like Layer 7 Cortical Interface device can be threaded. If it needs to be removed, Precision claims it can slide off the brain with causing any harm.
Which approach will win out or if, in fact, both more and less invasive technologies will be needed for different applications is anyone’s guess. But we’re not expecting to becontrolling our games with the power of pure thoughtjust yet. Especially not if it requires implants in our heads, no matter how small the slit…
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