Elon Musk recently shared initial promising results in the detection of neuron spikes through Neuralink, but details on the findings were not provided.
Neural spikes represent neuronal activity, where cells utilize electrical and chemical signals for information transmission within the brain and throughout the body. The study involves the use of a robot for the precise placement of a brain-computer interface (BCI) implant in a brain region controlling movement intentions. Neuralink’s implant utilizes “ultra-fine” threads to facilitate signal transmission in participants’ brains.
In November 2022, Musk anticipated that human testing would commence within six months. Neuralink had previously showcased a video demonstrating two monkeys controlling computer cursors with their brains, showcasing a capability established in humans over 15 years ago. While Musk is known for his optimistic projections, Neuralink received FDA approval for human trials in May and later secured approval for recruitment in September. The current focus of the first clinical trial is individuals with limited or no use of both hands due to cervical spinal cord injuries or amyotrophic lateral sclerosis.
The implant, designed to be cosmetically invisible, is placed in a part of the brain responsible for planning movements. Neuralink’s website explains that the device interprets a person’s neural activity, enabling them to operate computers or smartphones through mental intention alone, eliminating the need for physical movement or wires.
During a late 2022 Neuralink presentation, Musk asserted that their devices could eventually restore full-body functionality for individuals with severed spinal cords or grant sight to blind individuals. However, such claims were met with skepticism. The company has also faced scrutiny over safety concerns. Reuters reported a fine imposed on Neuralink for violating transportation rules related to hazardous materials. In November, four lawmakers urged the SEC to investigate whether Musk misled investors about the technology’s safety, citing veterinary records indicating issues with monkey implants, including paralysis, seizures, and brain swelling. Musk responded in a September social media post, stating that no monkeys had died as a result of Neuralink implants.
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As of the latest information, the company’s valuation was approximately $5 billion in June, showcasing both the potential and challenges surrounding Neuralink’s ambitious ventures in neural interface technology.