![]() Gertrude, the pig with the implant, didn’t want to come out to her corral at first, leaving Musk stranded in front of over 150,000 online viewers. The device so far has lasted safely in pigs for two months, says Hodak.ĭuring today’s demonstration, which was held at Neuralink’s headquarters in Fremont, California, three pigs were led into corrals where they were able to move about freely in front of a small (human) audience. One of the company’s latest prototypes is made of monolithically cast forms of glass that are laser welded together and hermetically sealed. Neuralink achieved the advance by experimenting with different materials, upgrading the antennae and wirelessly transmitting only heavily compressed embeddings of neural data from the implant, along with other optimizations made possible through a fast feedback cycle, says Max Hodak, president of Neuralink, who spoke with Spectrum prior to today’s live demonstration. That device involves hardware protruding from the skull and contains about a hundred electrodes, compared to Neuralink’s 1000. By comparison, the Utah array, which has been the go-to device for the BrainGate consortium, measures 4 mm x 4 mm. Its cylindrical shape measures 23 mm in diameter by 8 mm long-about the size of a stack of 5 U.S. ![]() Plus, Neuralink’s device is “pretty big” for the brain, says Ajiboye. How the device can transmit that much data without generating tissue-damaging heat is not yet demonstrated in humans. (Three pigs on a stage isn’t quite the same as peer-reviewed data). They know what they’re doing and I’m excited to see what they present,” he says.īut the company’s data has not yet been vetted by the research community. Neuralink’s device, if it proves capable of transmitting data safely over the long-term, would be a “major advance” says Bolu Ajiboye, an associate professor of biomedical engineering at Case Western Reserve University and a principal investigator with BrainGate, who is not involved with Neuralink. “There are some really smart, innovative people working at Neuralink. A thousand of them in a living animal would be the highest number the BCI field has seen from a self-contained implant. Each electrode records the activity of somewhere between zero and four neurons in the brain. Neuralink’s implant contains all the necessary components, including a battery, processing chip, and bluetooth radio, along with about a thousand electrode contacts, all on board the device. These external components create the potential risk of infection and aren’t practical outside a research setting. A few groups have experimented in animals with self-contained, fully implanted devices, but not with the capabilities that Neuralink claims to have. Most of these systems involve hardware protruding from the head, providing power and data transmission. have received a BCI implant, all for restorative, medical purposes on a research basis. The BrainGate consortium and other groups have used BCI to enable people with neurologic diseases and paralysis to operate tablets, type eight words per minute and control prosthetic limbs using only their thoughts.Īll of this work is highly experimental. Since 2003, fewer than 20 people in the U.S. Teams of researchers globally have been experimenting with surgically implanted BCI systems in humans for over 15 years. His company has been working on the technology for about four years. And it would all happen on a small, wireless, battery-powered implant unseen from the outside of the body. Musk’s aspirations for this brain-computer interface (BCI) system are to be able to read and write from millions of neurons in the brain, translating human thought into computer commands, and vice versa. When asked during the live Q&A whether the device would ever be used for gaming, Musk answered an emphatic “yes.” Musk’s goal is to build a neural implant that can sync up the human brain with AI, enabling humans to control computers, prosthetic limbs, and other machines using only thoughts. One of the Neuralink pigs at Musk’s online demo today. ![]() “You need an electrical thing to solve an electrical problem.” “It’s like a Fitbit in your skull with tiny wires,” Musk said in his presentation. A screen above the pig streamed the electrical brain activity being registered by the device. Musk demonstrated the device with live pigs, one of which had the implant in its brain. During a live-streamed demonstration involving farm animals and a stage, Musk said that his company Neuralink had built a self-contained neural implant that can wirelessly transmit detailed brain activity without the aid of external hardware. Celebrity engineer Elon Musk today announced a breakthrough in his endeavor to sync the human brain with artificial intelligence.
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