Fierce Biotech May 10, 2024
About 100 days after implanting its first human participant with its brain-computer interface chip, Neuralink reported that some of the hair-thin connecting wires laced into the tissue have stopped reporting back data.
“In the weeks following the surgery, a number of threads retracted from the brain, resulting in a net decrease in the number of effective electrodes,” the company said in a blog update tracking the experience of 29-year-old Noland Arbaugh—a quadriplegic patient who previously demonstrated on video using the chip to operate his laptop, play computer games of chess and control his music player.
According to the company, the lost electrodes caused a drop in the peak data rate of the brain chip—meaning it was recording fewer analog neural...
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