A team of scientists linked to Elon Musk appear to be making progress putting chips into brains
- A group of researchers affiliated with Elon Musk's brain-computer interface company, Neuralink, published a paper about a new technique for inserting probes into brains.
- They describe the technique as a "sewing machine" and it is being on lab rats.
- The paper is still a long way off becoming a reality.
A group of scientists linked to Elon Musk's company Neuralink published a paper last month about a new system they're developing for inserting chips in brains.
Bloomberg reports that all five authors behind the paper have either been employed by or "loosely associated" with Neuralink, Elon Musk's brain-computer interface company.
The researchers tested the new technique on lab rats. "This approach points the way toward a new generation of scaleable, stable, and safe neural interfaces, both for the basic scientific study of brain function and for clinical applications," the paper reads.
A piece of a rat's skull was removed by the scientists. The machine then works by using a needle to rapidly insert many flexible polymer electrodes into the brain, which were connected to a circuit board on the back of the rat's head, which recorded information about the rat's brain activity.
The diagram below shows how it works. A and C depict elements of the so-called sewing machine, while B shows the electrodes that are inserted into the brain. Finally, D shows a needle that guides the electrodes into the brain.
The sewing machine technique is a long way off being a reality for humans. The paper has yet to be peer reviewed, and the technique itself is not yet foolproof even for rats. While the implant lasted more than two months for two of the test rats, others' circuit boards prematurely fell off their heads.
Neuralink is one of Musk's more secretive ventures. The company was founded in 2016, but Musk's involvement wasn't public knowledge until March 2017 when The Wall Street Journal revealed he was the founder. Since then Musk has become more vocal about Neuralink, saying he hopes the company might one day enable AI-assisted augmentation of human cognition.
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