4 ms·
why rat neurons and not people neurons?
by yoyopa 3y ago
why rat neurons and not people neurons?
- claytonwramsey 3y agoIt's explained in the video. Rat neurons are more than enough for this application and are much cheaper to come by.
- yoyopa 3y agothe video is half an hour long. probably the worst way to convey information
- vba616 3y agoboss: you might try doing X as your next project me: ok boss: actually, we can't do X, we don't have access me: ok boss: you might want to watch this video on X, though, it's interesting me: no
- mdp2021 3y agoyt-dlp --skip-download --write-auto-sub ... > inside your head is one of the greatest computers in the universe which is surprising because I've seen your b- I.e. one can also quickly verify if it is for the wrong target.
- eurekin 3y agoSo much good information is presented now as videos... I'm thinking of automating that. A service, which follows your watched yt videos feed and automatically saving a transcript. Maybe with some LLM summary and few screenshots - as simple html page. I believe people keep producing videos, since it can be monetised nicely
- mdp2021 3y agoYou should work on an engine that adds punctuation to the subtitles. They are pretty raw as they come - they normally require some post-production to be made into structured text. Probably something already exists? LLMs could be good for heuristically obtaining punctuated text - but since real understanding is required, other systems should be employed - such as a transformers based ANN (speech + raw_transcript → punctuated_text). The issue of "real understanding" is that which should discourage «LLM [generated] summar[ies]» - I have not yet seen any that show actual understanding of the original. "No work" is often better than "bad work".
- eurekin 3y agoI did some initial tests and found that whisper.ai gets transcripts a loot better. Might improve punctuation. Also, when asked to summarize, even Vicuna removed all portions of irrelevant talking (like to the crowd on a meeting) and jokes. Might be worthwile to finish that
- hombre_fatal 3y agoDisagree. I’d rather listen to information while doing something else. Most info isn’t so important that I should stop moving and sit down and read it.
- mdp2021 3y ago> listen to information while doing something else Hard to find intellectual material that does not require full concentration. Even those few pieces that seem to be highly digestible - they typically do not speak to the intellect and/or do not get fully processed anyway, under condition of shared attention.
- taneq 3y agoIt’s iflscience not ifwtsscienceid (want to study science in depth). :P
- mdp2021 3y agoThanks for the recommendation. If you also can peek to videos in your multitasking: there are many related YT channels around, but if you are into leisure time spending on divulgational channels, there is probably little better around than Curiosity Show, the Australian (Adelaide?) TV channel featuring Rob Morrison and Deane Hutton in the '70s and '80 - for the young; Steve Mould, ongoing YT productions, picking stimulating topics of non immediate evidence.
- throwuwu 3y agoThere’s a substantial amount of important visual information in the video. It’s not just stock photos.
- ramraj07 3y agoI’m not sure a more fundamental point is explained or addressed: when forming ad hoc networks like this do we expect anything different at all with human neurons ?
- nzach 3y agoThis is addressed in the video. Cells growing in a flat plane don't form complex connection as we would see in a real organ. One way address that is to grow the as organoids. You can think of organoids like 'cells growing in a non-flat surface'. This mean the cells would have all 3 dimensions to grow and form connections. The problem with that is that you need a LOT o cells, and they are expensive. The way around it is to create neurons from skin cells. But that has its own set of challenges.
- FrustratedMonky 3y agoBut, funny that the reason was they were 'cheaper', not that you can't buy human neurons if you wanted to.
- xkcd-sucks 3y agoIt's a lot easier to work with rat neurons. TL;DR a bit like "why use Postgres when you could be using Oracle?" ... or something, just thought of that because process overhead really does lead to safety and compliance audits Opinion that's years out of date: * The biosafety level is lower (all human tissue is automatically BSL2 or BSL2+ because it might have HIV and stuff) * The best neural cultures (neurons + supporting cells) come from actual tissue, there aren't good stable immortal cell lines for neural cells. So this generally means fetal cells which for human tissue involves a boatload of process and bureaucracy. Fetal rats, *comparatively* have little bureaucracy. * iPSC cells (Induced Pluripotent Stem Cells / "stem cells harvested from adults") can generate neural cells but it's several stages removed, and still more process overhead if it's human tissue * It's better to harvest actual brain tissue than grow them from progenitor lines. You can grab partially or fully differentiated cells by dissecting them out of specific locations (i.e. hippocampal neurons, dopaminergic neurons, ...). Forcing a population of progenitor cells to develop into what you want is a massive pain / still an "unsolved problem" in the sense that you can't buy a grow-a-brain kit. (NOT facetious, most labs that aren't dirt poor use kits as much as possible and it is TOTALLY worth it)