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this post was submitted on 25 Jun 2024
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We have lots of evidence from legions (like a stroke or surgery) that show that various brain regions are necessary for the different brain functions you mentioned. These organoids have nothing like those brain regions.
Publish then! You'd be the first to tie a specific neuronal activity to a thought or memory
You don't need to "tie a specific neuronal activity to a thought or memory" to know whether a set of neurons can have humanlike memory or emotions. We know that specific brain regions are required for specific brain functions. Most famously, we know that hippocampi are necessary to form new episodic memories due to Patient HM. This organoid does not have anything like these necessary specific brain regions, so we can be pretty sure they don't have these human brain functions.
Also, I'm not sure what you mean by "tie a specific neuronal activity to a thought or memory" We've known examples of single unit neural activity being correlated with thoughts for many years, see place cells and Grandmother cells. Really, the whole field of systems neuroscience studies this at some level. And I think that field has made some progress.