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by etrautmann 2121 days ago
Well articulated points - pushign back slightly regarding your breakthroughs on implants, there's good data to suggest that the size scale that Neuralink is now operating at does not elicit the same gliosis (reactive tissue growth) that electrodes larger than 15-20 µm do. The infection risk is heavily mitigated by the device being fully implantable, but you're absolutely right that there is some risk there.
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Smaller size reduces the penetration trauma. I wonder how they are going to reduce chronic tissue response?

Even if the surgery does not result bacterial infection, insertion injury and the pretense of a foreign object often leads to persistent low level inflammation.

There is so much basic research questions that simple engineering is not going to solve.