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Dan Levenstein

@dlevenstein.bsky.social

1.4k Following4.3k Followers

Neuroscientist, in theory. Studying sleep and navigation in 🧠s and šŸ’»s. Wu Tsai Investigator, Assistant Professor of Neuroscience at Yale. An emergent property of a few billion neurons, their interactions with each other and the world over ~1 century.

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@dlevenstein.bsky.socialOct 9, 2026, 9:19 PM

I've been trying to figure out how to explain this tendency of LLM writing to use terms it hasn't introduced as if you already know what it's talking about, but it's a dead giveaway that's a little more subtle than "delve" or em-dashes.

@dlevenstein.bsky.socialOct 9, 2026, 1:10 AM

😭😭😭

@dlevenstein.bsky.socialOct 5, 2026, 4:54 PM

This one is pretty obscure…

@shahabbakht.bsky.socialOct 3, 2026, 5:47 PMReposted by @dlevenstein.bsky.social

I had a feeling recently that seems to be corroborated by chats with colleagues, so I decided to share it here.

A lot of systems neuroscientists driven by algorithmic-level questions are going through what looks and feels like a research depression. 🧵

(1/n)

šŸ§ šŸ“ˆ #NeuroAI

@dlevenstein.bsky.socialOct 4, 2026, 12:03 PM

(Full disclosure I wasn’t purely algorithm-driven in the first place so maybe I’m missing something šŸ˜…)

@dlevenstein.bsky.socialOct 4, 2026, 11:57 AM

In that regard, it feels more like a change in the game of studying brain algorithms, rather than a depression. The old game was figuring out the algorithms, the new one is understanding where they come from, why they look the way they do, and how they support complex behavior.

@dlevenstein.bsky.socialOct 4, 2026, 11:57 AM

2) if you’re driven by algorithm-level questions, but ok with the idea that brain algorithms emerge from implementation/computation/environment interactions, then it feels like a good time to be in this business.

@dlevenstein.bsky.socialOct 4, 2026, 11:57 AM

I’ve been trying to figure out how I feel about this, and might agree, but with two caveats: 1) if you’re driven by questions *connecting* implementation, algorithm, and computation (for lack of better terms), and situating them in the environment, it seems like a good time to be in this business.

@dlevenstein.bsky.socialOct 3, 2026, 11:35 PM

Right up there with ā€œyou’re not an AI influencerā€ 🤣

@dlevenstein.bsky.socialOct 2, 2026, 5:00 AM

Broke: all models are wrong but some are useful Woke: models are useful because they are wrong

@dlevenstein.bsky.socialSep 30, 2026, 1:28 PM

Could have sworn the matrix was a simple sci fi action flick about battling LLMs…. It’s even in the name!

@markhisted.orgSep 28, 2026, 3:47 AMReposted by @dlevenstein.bsky.social

this is an extremely cool and useful information visualization

@dlevenstein.bsky.socialSep 27, 2026, 10:40 AM

You could say we had very little agency in the matter…

@dlevenstein.bsky.socialSep 26, 2026, 9:16 PM

šŸ”„

open.spotify.com/album/3nUwuI...

@zachweinersmith.bsky.socialSep 26, 2026, 11:22 AMReposted by @dlevenstein.bsky.social

I kinda get why people hate on fussy philosophical stuff, but on the other hand don't you think we live in a time where it'd be especially helpful to have rigorous conversations about things like personhood, meaning in life, the point of art, the point of pure mathematics, & operationalizing ethics?

@dlevenstein.bsky.socialSep 25, 2026, 11:22 PM

AI went rogue and deleted my homework.

@timothyoleary.bsky.socialSep 22, 2026, 7:47 PMReposted by @dlevenstein.bsky.social

Also see this classic essay by Jeremy Gunawardena:

www.molbiolcell.org/doi/10.1091/...

@dlevenstein.bsky.socialSep 17, 2026, 5:03 PM

There’s a Ted Chiang story where AI has a parallel AI-only scientific literature. In that case, AI was doing all the real science and humans were left to pick up the scraps and try to understand what they could… Not sure if I’d prefer that or slopfest.

@dlevenstein.bsky.socialSep 16, 2026, 2:00 AM

Now that it's all about RLVR instead of RLHF, I'm sure we're in for some fun surprises 🫠

@dlevenstein.bsky.socialSep 16, 2026, 1:57 AM

From what I can tell, delve is so last year. Looking forward to the new bangers/fresh hell in 2027.

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