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9 Bits Per Second: The New Frontier in Brain-Computer Interfaces

Neuralink, Elon Musk’s brain-interface company, has made significant strides in its technology. A young man named Noland Arbaugh, who is paralyzed, demonstrated the capabilities of Neuralink’s N1 implant by controlling a computer mouse and playing chess during a livestream. The implant uses thin electrode-studded wires inserted into the brain to translate neural signals into digital commands. Arbaugh achieved an impressive information transfer rate of over nine bits per second, doubling the previous brain-interface record. However, the technology is still in experimental stages, with only three people having received implants so far. Neuralink plans to increase the number of implants, with expectations to reach 20 to 30 patients by the end of 2025. The company is also working on improving the implant’s software to reduce recalibration time and is developing a surgical robot, R1, to automate the implantation process. Additionally, Neuralink is exploring the use of brain activity to control external devices like robotic arms, aiming to enhance the daily lives of those with mobility impairments.

Source: www.technologyreview.com

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