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First human brain implant malfunctioned, Neuralink says (thehill.com)

submitted 6 months ago by AnActOfCreation to c/[email protected]

151 comments fedilink hide all child comments

The first Neuralink implant in a human malfunctioned after several threads recording neural activity retracted from the brain, the Elon Musk-owned startup revealed Wednesday.

The threads retracted in the weeks following the surgery in late January that placed the Neuralink hardware in 29-year-old Noland Arbaugh’s brain, the company said in a blog post.

This reduced the number of effective electrodes and the ability of Arbaugh, a quadriplegic, to control a computer cursor with his brain.

“In response to this change, we modified the recording algorithm to be more sensitive to neural population signals, improved the techniques to translate these signals into cursor movements, and enhanced the user interface,” Neuralink said in the blog post.

The company said the adjustments resulted in a “rapid and sustained improvement” in bits-per-second, a measure of speed and accuracy of cursor control, surpassing Arbaugh’s initial performance.

While the problem doesn’t appear to pose a risk to Arbaugh’s safety, Neuralink reportedly floated the idea of removing his implant, according to The Wall Street Journal.

The company has also told the Food and Drug Administration that it believes it has a solution for the issue that occurred with Arbaugh’s implant, the Journal reported.

The implant was placed just more than 100 days ago. In the blog post, the company touted Arbaugh’s ability to play online computer games, browse the internet, livestream and use other applications “all by controlling a cursor with his mind.”

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[–] [email protected] 6 points 6 months ago* (last edited 6 months ago) (2 children)

But those options were available to him without a risky brain implant. There's a large amount of alternative interface methods and tools available for these purposes, they just don't have Musk's marketing budget and they aren't run by someone that owns a newspaper, so they're not well known outside the disabled community.

We've had wearable (and thus removable and non invasive) neural interfaces for years now that have been able to do mouse control.

We've had robust eye tracker control since Steven fucking Hawking.

This is being framed as though this was the only way for this person to have these abilities and options available, and that is patently false.

[–] [email protected] 2 points 6 months ago

I'm well aware of the existence of alternatives. But you must agree that what is achievable with an implant far outstrips the current alternatives?

[–] [email protected] 2 points 6 months ago

Those alternatives are old tech that has way more limitations than a neural implant.

Just because there is old tech that SORT OF does this, doesn't mean it can't be improved. That's the same attitude behind "not needing more than 4mb of RAM" back in the day. You can't stop progress all because YOU are fine with the current state of the tech.