Xiao-Xiong Lin
@xxlin.bsky.social
Computational and systems neuroscience. DeepRL Hippocampus navigation <- Data analysis / neural network modelling PFC working memory flexible cognition.
xiaoxionglin.com
https://www.bcf.uni-freiburg.de/about/people/lin
github.com/xiaoxionglin/dSCA
xiaoxionglin.com
https://www.bcf.uni-freiburg.de/about/people/lin
github.com/xiaoxionglin/dSCA
Reposted by Xiao-Xiong Lin
I really like the cogsci thinking and music in this paper. Happy that it's finally out! Thanks @omriraccah.bsky.social and Michael Seltenreich
for leading this project.
Geometric properties of musical scales constitute a representational primitive in melodic processing
www.cell.com/iscience/ful...
for leading this project.
Geometric properties of musical scales constitute a representational primitive in melodic processing
www.cell.com/iscience/ful...
Geometric properties of musical scales constitute a representational primitive in melodic processing
Music; Cognitive Psychology; Cognitive Science
www.cell.com
November 14, 2025 at 1:34 PM
I really like the cogsci thinking and music in this paper. Happy that it's finally out! Thanks @omriraccah.bsky.social and Michael Seltenreich
for leading this project.
Geometric properties of musical scales constitute a representational primitive in melodic processing
www.cell.com/iscience/ful...
for leading this project.
Geometric properties of musical scales constitute a representational primitive in melodic processing
www.cell.com/iscience/ful...
Reposted by Xiao-Xiong Lin
Major update to our preprint. Led
by @xuanyuwang.bsky.social, we show that the mesoscopic functional organization of the primate PFC reflects individual cognitive strategies and mnemonic abilities. 🧠 doi.org/10.1101/2024...
by @xuanyuwang.bsky.social, we show that the mesoscopic functional organization of the primate PFC reflects individual cognitive strategies and mnemonic abilities. 🧠 doi.org/10.1101/2024...
Functional organization of the primate prefrontal cortex reflects individual mnemonic strategies
Modular organization, the division of the cerebral cortex into functionally distinct subregions, is well established in the primate sensorimotor cortex, but debated in the cognitive association cortex...
doi.org
June 7, 2025 at 8:15 AM
Major update to our preprint. Led
by @xuanyuwang.bsky.social, we show that the mesoscopic functional organization of the primate PFC reflects individual cognitive strategies and mnemonic abilities. 🧠 doi.org/10.1101/2024...
by @xuanyuwang.bsky.social, we show that the mesoscopic functional organization of the primate PFC reflects individual cognitive strategies and mnemonic abilities. 🧠 doi.org/10.1101/2024...
Reposted by Xiao-Xiong Lin
Sad to miss #CCN2025. It will be the 1st conference where a PhD working w/ me will speak 😭
go see Lubna's talk (Friday) about distributed neural correlates of flexible decision making in 🐒,
work done in collaboration w/ @scottbrincat.bsky.social @siegellab.bsky.social & @earlkmiller.bsky.social
go see Lubna's talk (Friday) about distributed neural correlates of flexible decision making in 🐒,
work done in collaboration w/ @scottbrincat.bsky.social @siegellab.bsky.social & @earlkmiller.bsky.social
August 10, 2025 at 3:56 PM
Sad to miss #CCN2025. It will be the 1st conference where a PhD working w/ me will speak 😭
go see Lubna's talk (Friday) about distributed neural correlates of flexible decision making in 🐒,
work done in collaboration w/ @scottbrincat.bsky.social @siegellab.bsky.social & @earlkmiller.bsky.social
go see Lubna's talk (Friday) about distributed neural correlates of flexible decision making in 🐒,
work done in collaboration w/ @scottbrincat.bsky.social @siegellab.bsky.social & @earlkmiller.bsky.social
Reposted by Xiao-Xiong Lin
Dale Schuurmans going in on RL at RLC
August 6, 2025 at 11:02 PM
Dale Schuurmans going in on RL at RLC
🔥🔥🔥
Filming in the lab today for a feature on our #BCI work. Scorching hot day! Well done @lauraschiffl.bsky.social and all! ☀️☀️☀️😎🎥
July 1, 2025 at 8:31 PM
🔥🔥🔥
Enjoying some contemporary art after #neuromonster
May 30, 2025 at 6:31 PM
Enjoying some contemporary art after #neuromonster
Reposted by Xiao-Xiong Lin
When we communicate science, we often don't say where the resources for it come from. This is clearly a mistake: people consuming science should know who is funding it--and if that funding is being taken away. So, I decided to document the funding sources of every scientist mentioned in my book.
May 28, 2025 at 10:46 PM
When we communicate science, we often don't say where the resources for it come from. This is clearly a mistake: people consuming science should know who is funding it--and if that funding is being taken away. So, I decided to document the funding sources of every scientist mentioned in my book.
Take home message: every researcher thinks state transition is computed in the brain area that they study
May 28, 2025 at 8:58 AM
Take home message: every researcher thinks state transition is computed in the brain area that they study
Bluesky, bluesky, who's at #neuromonster in Split?
May 26, 2025 at 2:34 PM
Bluesky, bluesky, who's at #neuromonster in Split?
"if neuromorphic computing is the key to human-like thinking, feeling and planning"
Bonus panel here: www.smbc-comics.com/comic/neuro
(this is one of those Zach-are-you-okay email generators, isn't it?)
(this is one of those Zach-are-you-okay email generators, isn't it?)
May 6, 2025 at 11:42 PM
"if neuromorphic computing is the key to human-like thinking, feeling and planning"
Reposted by Xiao-Xiong Lin
Most important debugging of the day...
March 13, 2025 at 2:41 PM
Most important debugging of the day...
I should have made bets
awards.acm.org/about/2024-t...
awards.acm.org/about/2024-t...
Andrew Barto and Richard Sutton are the recipients of the 2024 ACM A.M. Turing Award for developing the conceptual and algorithmic foundations of reinforcement learning.
Andrew Barto and Richard Sutton as the recipients of the 2024 ACM A.M. Turing Award for developing the conceptual and algorithmic foundations of reinforcement learning. In a series of papers beginning...
awards.acm.org
March 5, 2025 at 1:13 PM
I should have made bets
awards.acm.org/about/2024-t...
awards.acm.org/about/2024-t...
Reposted by Xiao-Xiong Lin
The second part of the #ComplexityThoughts on “model-free” analysis of #ComplexSystems. As usual you have the:
Post: open.substack.com/pub/manlius/...
Podcast: creators.spotify.com/pod/show/com...
RSS: manlius.substack.com/feed
Enjoy! 🙏
Post: open.substack.com/pub/manlius/...
Podcast: creators.spotify.com/pod/show/com...
RSS: manlius.substack.com/feed
Enjoy! 🙏
“Model-free“ analysis of a complex system. Part II
Or: when you don't even see what your model is
open.substack.com
November 29, 2024 at 5:10 PM
The second part of the #ComplexityThoughts on “model-free” analysis of #ComplexSystems. As usual you have the:
Post: open.substack.com/pub/manlius/...
Podcast: creators.spotify.com/pod/show/com...
RSS: manlius.substack.com/feed
Enjoy! 🙏
Post: open.substack.com/pub/manlius/...
Podcast: creators.spotify.com/pod/show/com...
RSS: manlius.substack.com/feed
Enjoy! 🙏
Reposted by Xiao-Xiong Lin
Out today in Nature Machine Intelligence!
From childhood on, people can create novel, playful, and creative goals. Models have yet to capture this ability. We propose a new way to represent goals and report a model that can generate human-like goals in a playful setting... 1/N
From childhood on, people can create novel, playful, and creative goals. Models have yet to capture this ability. We propose a new way to represent goals and report a model that can generate human-like goals in a playful setting... 1/N
February 21, 2025 at 4:29 PM
Out today in Nature Machine Intelligence!
From childhood on, people can create novel, playful, and creative goals. Models have yet to capture this ability. We propose a new way to represent goals and report a model that can generate human-like goals in a playful setting... 1/N
From childhood on, people can create novel, playful, and creative goals. Models have yet to capture this ability. We propose a new way to represent goals and report a model that can generate human-like goals in a playful setting... 1/N
Reposted by Xiao-Xiong Lin
I’m excited about this collaborative project by @sunw37.bsky.social, @johanwinn.bsky.social, and many other talented contributors. Read about how our @hhmijanelia.bsky.social team imaged thousands of neurons in mouse hippocampus as mice learned cognitive tasks over several days: hhmi.news/4hXIp7r
February 13, 2025 at 1:45 PM
I’m excited about this collaborative project by @sunw37.bsky.social, @johanwinn.bsky.social, and many other talented contributors. Read about how our @hhmijanelia.bsky.social team imaged thousands of neurons in mouse hippocampus as mice learned cognitive tasks over several days: hhmi.news/4hXIp7r
Keep lowering the moral standard!
WSJ sub: “Indian Partition went smoothly enough, right? Will try to remember to check this before publishing.”
February 13, 2025 at 5:04 PM
Keep lowering the moral standard!
Reposted by Xiao-Xiong Lin
New preprint: "The geometry of the neural state space of decisions", work by Mauro Monsalve-Mercado, buff.ly/42wVHD5. Surprising results & predictions! (Thread) We analyze neuropixel population recordings in macaque area LIP during a reaction time, random-dot motion 1/
January 31, 2025 at 2:32 PM
New preprint: "The geometry of the neural state space of decisions", work by Mauro Monsalve-Mercado, buff.ly/42wVHD5. Surprising results & predictions! (Thread) We analyze neuropixel population recordings in macaque area LIP during a reaction time, random-dot motion 1/
Reposted by Xiao-Xiong Lin
batman: what drove you to this dark madness?
villain: ...you see, I was an NIH-funded postdoc in 2025...
villain: ...you see, I was an NIH-funded postdoc in 2025...
a man is looking at his phone with a caption that says of all the timelines , this is clearly the darkest
ALT: a man is looking at his phone with a caption that says of all the timelines , this is clearly the darkest
media.tenor.com
January 31, 2025 at 10:49 AM
batman: what drove you to this dark madness?
villain: ...you see, I was an NIH-funded postdoc in 2025...
villain: ...you see, I was an NIH-funded postdoc in 2025...
Reposted by Xiao-Xiong Lin
What's the right way to think about modularity in the brain? This devilish 😈 question is a big part of my research now, and it started with this paper with @solarpunkgabs.bsky.social, finally published after the first preprint in 2021! 🤖🧠🧪
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Dynamics of specialization in neural modules under resource constraints - Nature Communications
The extent to which structural modularity in neural networks ensures functional specialization remains unclear. Here the authors show that specialization can emerge in neural modules placed under reso...
www.nature.com
January 23, 2025 at 4:37 PM
What's the right way to think about modularity in the brain? This devilish 😈 question is a big part of my research now, and it started with this paper with @solarpunkgabs.bsky.social, finally published after the first preprint in 2021! 🤖🧠🧪
www.nature.com/articles/s41...
www.nature.com/articles/s41...
What's the best distilled DeepSeek R1 model that runs on a single 4090?
January 28, 2025 at 1:43 PM
What's the best distilled DeepSeek R1 model that runs on a single 4090?
Reposted by Xiao-Xiong Lin
Okay, this is very cool: evidence from Peter Jonas' group that human CA3 follows a different logic of synaptic connectivity than rodent CA3, focussing more on sparser, but highly reliable synapses.
www.cell.com/cell/fulltex...
CC @dlevenstein.bsky.social & @repromancer.bsky.social
#neuroscience 🧪
www.cell.com/cell/fulltex...
CC @dlevenstein.bsky.social & @repromancer.bsky.social
#neuroscience 🧪
Human hippocampal CA3 uses specific functional connectivity rules for efficient associative memory
Human hippocampal CA3 networks use sparse and broad synaptic connectivity, and their
recurrent synapses employ reliability, precision, and long integration times to enhance
memory capacity. Thus, the ...
www.cell.com
January 23, 2025 at 9:38 PM
Okay, this is very cool: evidence from Peter Jonas' group that human CA3 follows a different logic of synaptic connectivity than rodent CA3, focussing more on sparser, but highly reliable synapses.
www.cell.com/cell/fulltex...
CC @dlevenstein.bsky.social & @repromancer.bsky.social
#neuroscience 🧪
www.cell.com/cell/fulltex...
CC @dlevenstein.bsky.social & @repromancer.bsky.social
#neuroscience 🧪
Reposted by Xiao-Xiong Lin
Schemas, reinforcement learning and the medial prefrontal cortex
www.nature.com/articles/s41...
#neuroscience
www.nature.com/articles/s41...
#neuroscience
Schemas, reinforcement learning and the medial prefrontal cortex - Nature Reviews Neuroscience
A computational account of how schemas are learned through experience is lacking. In this Perspective, Bein and Niv synthesize schema theory and reinforcement learning research to derive computational...
www.nature.com
January 21, 2025 at 8:40 PM
Schemas, reinforcement learning and the medial prefrontal cortex
www.nature.com/articles/s41...
#neuroscience
www.nature.com/articles/s41...
#neuroscience