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Reposted by Kun Dong

Zach Rosenthal @zachrosenthal.bsky.social · 14d

Super proud of this collaboration with rockstar Ryan Raut - born out of playing in the sandbox in our last year of grad school! Multi-scale brain activity can be predicted from a simple measure of arousal like pupil diameter. Out with linear causality, in with dynamic systems to explain neurobiology

Arousal as a universal embedding for spatiotemporal brain dynamics - Nature

Reframing of arousal as a latent dynamical system can reconstruct multidimensional measurements of large-scale spatiotemporal brain dynamics on the timescale of seconds in mice.

www.nature.com

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Reposted by Kun Dong

Ben Hayden @benhayden.bsky.social · 16d

New manuscript from the lab!

"Mirror manifolds: partially overlapping neural subspaces for speaking and listening"

Led by superstar grad student Anilu Chavez (not on Bluesky)!

www.biorxiv.org/content/10.1...

Mirror manifolds: partially overlapping neural subspaces for speaking and listening

Participants in conversations need to associate words their speakers but also retain those words general meanings. For example, someone talking about their hand is not referring to the other speakers ...

www.biorxiv.org

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Kun Dong @kundong.bsky.social · 16d

Big congrats!!

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Reposted by Kun Dong

DrBreaky @drbreaky.bsky.social · 24d

Interested in hippocampal dynamics and their interactions with cortical rhythms?

Our physically constrained model of cortico-hippocampal interactions - complete with fast geometrically informed numerical simulation (available at embedded github repo)

www.biorxiv.org/content/10.1...

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Reposted by Kun Dong

Auditory-Visual Speech Association (AVISA) @avsp.bsky.social · 26d

Prior expectations guide multisensory integration during face-to-face communication journals.plos.org/ploscompbiol... Is there a stronger prior tendency to integrate audiovisual signals that convey the same communicative intention (& is this based on an optimal Bayesian decision)?

Prior expectations guide multisensory integration during face-to-face communication

Author summary Face-to-face communication is complex: what we say is coupled with bodily signals, offset in time, which may or may not work in concert to convey meaning. Yet, the brain rapidly determi...

journals.plos.org

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Reposted by Kun Dong

Flor Iacaruso @flor-iacaruso.bsky.social · Aug 1

1/N What are the organizational principles underlying crossmodal cortical connections?
We address this in this new preprint, led by @alexegeaweiss.bsky.social & ‪@bturner-bridger.bsky.social‬ in collab w/ ‪@petrznam.bsky.social‬ @crick.ac.uk
www.biorxiv.org/content/10.1...

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Reposted by Kun Dong

Matteo Carandini @carandinilab.net · Sep 3

The two key studies of the International Brain Laboratory @intlbrainlab.bsky.social are out today!

A brain-wide map of neural activity during complex behaviour
www.nature.com/articles/s41...

Brain-wide representations of prior information in mouse decision-making
www.nature.com/articles/s41...

A brain-wide map of neural activity during complex behaviour - Nature

The International Brain Laboratory presents a brain-wide electrophysiological map obtained from pooling data from 12 laboratories that performed the same standardized perceptual decision-making task i...

www.nature.com

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Reposted by Kun Dong

PessoaBrain @pessoabrain.bsky.social · May 28

𝗠𝗮𝘆𝗯𝗲 𝗰𝗼𝗻𝘀𝗰𝗶𝗼𝘂𝘀𝗻𝗲𝘀𝘀 𝗶𝘀 𝗮 𝗯𝗶𝗼𝗹𝗼𝗴𝗶𝗰𝗮𝗹 𝗽𝗵𝗲𝗻𝗼𝗺𝗲𝗻𝗼𝗻 𝗮𝗳𝘁𝗲𝗿 𝗮𝗹𝗹
This target paper by Anil Seth should lead to good discussion.
www.cambridge.org/core/journal...

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Reposted by Kun Dong

Russ Poldrack @russpoldrack.org · May 16

If you haven't used Claude Code yet, you should - it's absolutely amazing! Yesterday I built an app that uses 4 LLM APIs (openai, anthropic, google, and together.ai) to perform an automated meta-review of a paper - using only the Claude interface, never touching code! github.com/poldrack/ai-...

GitHub - poldrack/ai-peer-review: A tool for AI-assisted meta-review of scientific papers

A tool for AI-assisted meta-review of scientific papers - poldrack/ai-peer-review

github.com

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Reposted by Kun Dong

Johannes Fahrenfort @fahrenfort.bsky.social · May 2

In @elife.bsky.social: Perceptual and attentional impairments of conscious access involve distinct neural mechanisms despite equal task performance doi.org/10.7554/eLif... by Samuel Noorman with @timostein.bsky.social and Simon van Gaal. Well done Samuel!

Perceptual and attentional impairments of conscious access involve distinct neural mechanisms despite equal task performance

When performance is matched, the attentional blink allows for greater integration of complex stimulus features than masking, reflecting spared recurrent processing during attentional versus perceptual...

doi.org

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Reposted by Kun Dong

outsidewolves @outsidewolves.bsky.social · Apr 20

A drawing of a wolf posted on a corkboard. They are wearing a collar with a leash and carrying the leash in their mouth. Text above them reads “Do It Yourself!!”

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Kelsey Anbuhl @anbuhlk.bsky.social · Apr 4

Excited to share my latest work just out in @pnas.org! This NIH MOSAIC K99-funded project identifies a top-down cortical circuit—from cingulate to auditory cortex—that supports auditory perceptual performance in challenging listening conditions: www.pnas.org/doi/10.1073/...

The cingulate cortex facilitates auditory perception under challenging listening conditions | PNAS

We often exert greater cognitive resources (i.e., listening effort) to understand speech under challenging acoustic conditions. This mechanism can ...

www.pnas.org

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Reposted by Kun Dong

Russ Poldrack @russpoldrack.org · Apr 1

This is an utterly amazing paper.

On the Biology of a Large Language Model

We investigate the internal mechanisms used by Claude 3.5 Haiku — Anthropic's lightweight production model — in a variety of contexts, using our circuit tracing methodology.

transformer-circuits.pub

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