I did not see any breakthroughs in neural link patents. Have they solved neural scaring?
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Older implants are notorious for having that issue - and while scarring doesn't appear to hurt the brain all that much, it sure does hurt the connectivity.
The usual "bed of nails" Utah array typically deteriorates massively within 6 months. Neuralink's very first human implant has lasted for what, a year and a half already? It had issues with dislodged electrodes, which must have hurt the interface quality, but it still remains usable. That's a damn good sign.