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by hprotagonist 2121 days ago
and of those 120, about 18-24 actually wind up being useful on average.

Also, CIs are not brain implants.

In 2016 I got the chance to do a few month’s work on some cortical recodings in mice with a 512-electrode patch, and when i left the lab was complaining about how to modernize up to 1024 while still keeping their calcium imaging working well.