Elon Musk's neurotechnology startup, Neuralink, is developing a device to implant thousands of electrodes into brains.
were its only accomplishment, Tuesday night's big reveal would have been a big meh. Instead, five independent experts in the kind of brain-computer interfaces that Neuralink is developing told STAT they are impressed for the most part, though caveats abound.
Dr. Leigh Hochberg of Brown University, who helped develop the brain-computer interface given to the patients with tetraplegia, called Neuralink's"a novel and exciting neurotechnology…. I'm excited to see how they'll be translating their system toward initial clinical studies." Neuralink"may or may not pursue a larger peer-reviewed paper based on this preprint, and in the future expect to publish both preprinted as well as peer reviewed articles," a spokeswoman said.In his own research, Robinson is working on developing an interface to stimulate and record brain activity.
But Neuralink doesn't have that technology yet. In the system described in the paper,"there actually is a path for infection," Robinson said.Elon Musk says he's tested his brain microchip on monkeys, and it enabled one to control a computer with its mind The more electrodes, the more neurons' activity a system can monitor, including the"spikes" that indicate a neuron has fired. The more neurons that are monitored, the more information that gets fed into the software that analyzes their meaning and translates it into an output such as"move the robotic arm 3 inches up and left and grab what's there."
The quality of the brain end of the system isn't as clear. According to data in the paper, no electrode detected neuronal activity from rat brains as strong as 100 microvolts, which Harris calls the minimum signal"that you can trust."
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