Shrey Dixit
@shreydixit.bsky.social
Doctoral Researcher doing NeuroAI at the Max Planck Institute of Human Cognitive and Brain Sciences
Pinned
Shrey Dixit
@shreydixit.bsky.social
· Jun 25
Who Does What in Deep Learning? Multidimensional Game-Theoretic Attribution of Function of Neural Units
Neural networks now generate text, images, and speech with billions of parameters, producing a need to know how each neural unit contributes to these high-dimensional outputs. Existing explainable-AI ...
arxiv.org
🚨Preprint Alert: Who Does What in Deep Learning? Multidimensional Contribution of Neural Units using Game Theory: arxiv.org/abs/2506.19732
The result of my MSc thesis is out with @kayson.bsky.social @fatemehhadaeghi.bsky.social @patrickmineault.bsky.social @kordinglab.bsky.social, Claus C. Hilgetag
The result of my MSc thesis is out with @kayson.bsky.social @fatemehhadaeghi.bsky.social @patrickmineault.bsky.social @kordinglab.bsky.social, Claus C. Hilgetag
Reposted by Shrey Dixit
Please repost! I am looking for a PhD candidate in the area of Computational Cognitive Neuroscience to start in early 2026.
The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social.
Please apply here until Nov 25:
www.uni-giessen.de/de/ueber-uns...
The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social.
Please apply here until Nov 25:
www.uni-giessen.de/de/ueber-uns...
November 4, 2025 at 1:57 PM
Please repost! I am looking for a PhD candidate in the area of Computational Cognitive Neuroscience to start in early 2026.
The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social.
Please apply here until Nov 25:
www.uni-giessen.de/de/ueber-uns...
The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social.
Please apply here until Nov 25:
www.uni-giessen.de/de/ueber-uns...
Reposted by Shrey Dixit
✨My first first-author paper is out✨
Entorhinal grid-like codes for visual space during memory formation in @natcomms.nature.com ➡️ rdcu.be/eLRm2
Big thanks to everyone @isabellacwagner.bsky.social, @tobiasstaudigl.bsky.social, @olejensen.bsky.social, @doellerlab.bsky.social, @clauslamm.bsky.social
Entorhinal grid-like codes for visual space during memory formation in @natcomms.nature.com ➡️ rdcu.be/eLRm2
Big thanks to everyone @isabellacwagner.bsky.social, @tobiasstaudigl.bsky.social, @olejensen.bsky.social, @doellerlab.bsky.social, @clauslamm.bsky.social
Entorhinal grid-like codes for visual space during memory formation
Nature Communications - Eye movements during scene viewing are tied to grid-like codes in the entorhinal cortex. Grid signals are specific to later remembered scenes, covary with activity in...
rdcu.be
October 20, 2025 at 4:42 PM
✨My first first-author paper is out✨
Entorhinal grid-like codes for visual space during memory formation in @natcomms.nature.com ➡️ rdcu.be/eLRm2
Big thanks to everyone @isabellacwagner.bsky.social, @tobiasstaudigl.bsky.social, @olejensen.bsky.social, @doellerlab.bsky.social, @clauslamm.bsky.social
Entorhinal grid-like codes for visual space during memory formation in @natcomms.nature.com ➡️ rdcu.be/eLRm2
Big thanks to everyone @isabellacwagner.bsky.social, @tobiasstaudigl.bsky.social, @olejensen.bsky.social, @doellerlab.bsky.social, @clauslamm.bsky.social
Reposted by Shrey Dixit
The viral "Definition of AGI" paper tells you to read fake references which do not exist!
Proof: different articles present at the specified journal/volume/page number, and their titles exist nowhere on any searchable repository.
Take this as a warning to not use LMs to generate your references!
Proof: different articles present at the specified journal/volume/page number, and their titles exist nowhere on any searchable repository.
Take this as a warning to not use LMs to generate your references!
October 18, 2025 at 12:54 AM
The viral "Definition of AGI" paper tells you to read fake references which do not exist!
Proof: different articles present at the specified journal/volume/page number, and their titles exist nowhere on any searchable repository.
Take this as a warning to not use LMs to generate your references!
Proof: different articles present at the specified journal/volume/page number, and their titles exist nowhere on any searchable repository.
Take this as a warning to not use LMs to generate your references!
Reposted by Shrey Dixit
New preprint from the lab and great work by Fei Wang. We show how subiculum trace vector cells can be modeled consistent with known effects in CA1. Traces are driven by a mismatch learning rule to keep associative memories in line with experience.
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Dynamic updating of cognitive maps via traces of experience in the subiculum
In the classical view of hippocampal function, the subiculum is assigned the role as the output layer. In spatial paradigms, some subiculum neurons manifest as so-called boundary vector cells (BVCs), ...
www.biorxiv.org
October 3, 2025 at 7:01 AM
New preprint from the lab and great work by Fei Wang. We show how subiculum trace vector cells can be modeled consistent with known effects in CA1. Traces are driven by a mismatch learning rule to keep associative memories in line with experience.
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Shrey Dixit
Happy to share our new preprint. We found that brain adaptively switches between relational and item-based coding strategies based on the structure of memory contents.
@doellerlab.bsky.social
www.biorxiv.org/content/10.1...
@doellerlab.bsky.social
www.biorxiv.org/content/10.1...
Efficient coding in working memory is adapted to the structure of the environment
Working memory (WM) relies on efficient coding strategies to overcome its limited capacity, yet how the brain adaptively organizes WM representations to maximize coding efficiency based on environment...
www.biorxiv.org
August 26, 2025 at 12:54 PM
Happy to share our new preprint. We found that brain adaptively switches between relational and item-based coding strategies based on the structure of memory contents.
@doellerlab.bsky.social
www.biorxiv.org/content/10.1...
@doellerlab.bsky.social
www.biorxiv.org/content/10.1...
Reposted by Shrey Dixit
🚨 New preprint! Impact of Task Similarity and Training Regimes on Cognitive Transfer and Interference 🧠
We compare humans and neural networks in a learning task, showing how training regime and task similarity interact to drive transfer or interference.
www.biorxiv.org/content/10.1...
We compare humans and neural networks in a learning task, showing how training regime and task similarity interact to drive transfer or interference.
www.biorxiv.org/content/10.1...
Impact of Task Similarity and Training Regimes on Cognitive Transfer and Interference
Learning depends not only on the content of what we learn, but also on how we learn and on how experiences are structured over time. To investigate how task similarity and training regime interact dur...
www.biorxiv.org
September 23, 2025 at 11:58 AM
🚨 New preprint! Impact of Task Similarity and Training Regimes on Cognitive Transfer and Interference 🧠
We compare humans and neural networks in a learning task, showing how training regime and task similarity interact to drive transfer or interference.
www.biorxiv.org/content/10.1...
We compare humans and neural networks in a learning task, showing how training regime and task similarity interact to drive transfer or interference.
www.biorxiv.org/content/10.1...
Reposted by Shrey Dixit
Join us at the Max Planck Institute in Leipzig as a Postdoc to explore cognitive maps in the human brain: learning, memory & the formation of structural representations. Excellent infrastructure with a leading scientific network. Apply by 13 October: postdocprogram.mpg.de/node/21187
September 23, 2025 at 12:12 PM
Join us at the Max Planck Institute in Leipzig as a Postdoc to explore cognitive maps in the human brain: learning, memory & the formation of structural representations. Excellent infrastructure with a leading scientific network. Apply by 13 October: postdocprogram.mpg.de/node/21187
Reposted by Shrey Dixit
Very happy to announce that our paper “Sensory Horizons and the Functions of Conscious Vision” is now out as a target article in BBS!! @smfleming.bsky.social and I present a new theory of the evolution and functions of visual consciousness. Article here: doi.org/10.1017/S014.... A (long) thread 🧵
Sensory Horizons and the Functions of Conscious Vision | Behavioral and Brain Sciences | Cambridge Core
Sensory Horizons and the Functions of Conscious Vision
doi.org
April 21, 2025 at 3:27 PM
Very happy to announce that our paper “Sensory Horizons and the Functions of Conscious Vision” is now out as a target article in BBS!! @smfleming.bsky.social and I present a new theory of the evolution and functions of visual consciousness. Article here: doi.org/10.1017/S014.... A (long) thread 🧵
Reposted by Shrey Dixit
How does the structure of a neural circuit shape its function?
@neuralreckoning.bsky.social & I explore this in our new preprint:
doi.org/10.1101/2025...
🤖🧠🧪
🧵1/9
@neuralreckoning.bsky.social & I explore this in our new preprint:
doi.org/10.1101/2025...
🤖🧠🧪
🧵1/9
August 1, 2025 at 8:27 AM
How does the structure of a neural circuit shape its function?
@neuralreckoning.bsky.social & I explore this in our new preprint:
doi.org/10.1101/2025...
🤖🧠🧪
🧵1/9
@neuralreckoning.bsky.social & I explore this in our new preprint:
doi.org/10.1101/2025...
🤖🧠🧪
🧵1/9
We did it! 🏆 We won Phase 1 and placed 2nd overall in the Algonauts 2025 Challenge. So proud of the crew
@keckjanis.bsky.social,Viktor Studenyak,Daniel Schad,Aleksandr Shpilevoi. Huge thanks to @andrejbicanski.bsky.social and @doellerlab.bsky.social for support. Report: arxiv.org/abs/2507.17958
@keckjanis.bsky.social,Viktor Studenyak,Daniel Schad,Aleksandr Shpilevoi. Huge thanks to @andrejbicanski.bsky.social and @doellerlab.bsky.social for support. Report: arxiv.org/abs/2507.17958
July 31, 2025 at 2:39 PM
We did it! 🏆 We won Phase 1 and placed 2nd overall in the Algonauts 2025 Challenge. So proud of the crew
@keckjanis.bsky.social,Viktor Studenyak,Daniel Schad,Aleksandr Shpilevoi. Huge thanks to @andrejbicanski.bsky.social and @doellerlab.bsky.social for support. Report: arxiv.org/abs/2507.17958
@keckjanis.bsky.social,Viktor Studenyak,Daniel Schad,Aleksandr Shpilevoi. Huge thanks to @andrejbicanski.bsky.social and @doellerlab.bsky.social for support. Report: arxiv.org/abs/2507.17958
Reposted by Shrey Dixit
For a few years I have said that neuromorphic is specialized general purpose, like GPUs, but with different advantages.
In this preprint I try to put some substance to that claim. There are real theoretical advantages, but they aren't obvious. 🧪🧠🤖 www.arxiv.org/abs/2507.17886
In this preprint I try to put some substance to that claim. There are real theoretical advantages, but they aren't obvious. 🧪🧠🤖 www.arxiv.org/abs/2507.17886
Neuromorphic Computing: A Theoretical Framework for Time, Space, and Energy Scaling
Neuromorphic computing (NMC) is increasingly viewed as a low-power alternative to conventional von Neumann architectures such as central processing units (CPUs) and graphics processing units (GPUs), h...
www.arxiv.org
July 29, 2025 at 2:04 PM
For a few years I have said that neuromorphic is specialized general purpose, like GPUs, but with different advantages.
In this preprint I try to put some substance to that claim. There are real theoretical advantages, but they aren't obvious. 🧪🧠🤖 www.arxiv.org/abs/2507.17886
In this preprint I try to put some substance to that claim. There are real theoretical advantages, but they aren't obvious. 🧪🧠🤖 www.arxiv.org/abs/2507.17886
Just came across an AI-generated video summary/review of our recent preprint—and I have to say, I’m genuinely impressed. It does a great job summarizing the paper, and I’d actually recommend it to others. Check it out: www.youtube.com/watch?v=3g5K...
Multidimensional Game-Theoretic Attribution of Function of Neural Units
YouTube video by LuxaK
www.youtube.com
July 24, 2025 at 3:26 AM
Just came across an AI-generated video summary/review of our recent preprint—and I have to say, I’m genuinely impressed. It does a great job summarizing the paper, and I’d actually recommend it to others. Check it out: www.youtube.com/watch?v=3g5K...
Reposted by Shrey Dixit
White text on white background instructing LLMs to give positive reviews is apparently now common enough to show up in searches for boilerplate text.
July 5, 2025 at 7:51 PM
White text on white background instructing LLMs to give positive reviews is apparently now common enough to show up in searches for boilerplate text.
Reposted by Shrey Dixit
Reposted by Shrey Dixit
Thrilled to see our TinyRNN paper in @nature! We show how tiny RNNs predict choices of individual subjects accurately while staying fully interpretable. This approach can transform how we model cognitive processes in both healthy and disordered decisions. doi.org/10.1038/s415...
Discovering cognitive strategies with tiny recurrent neural networks - Nature
Modelling biological decision-making with tiny recurrent neural networks enables more accurate predictions of animal choices than classical cognitive models and offers insights into the underlying cog...
doi.org
July 2, 2025 at 7:03 PM
Thrilled to see our TinyRNN paper in @nature! We show how tiny RNNs predict choices of individual subjects accurately while staying fully interpretable. This approach can transform how we model cognitive processes in both healthy and disordered decisions. doi.org/10.1038/s415...
Reposted by Shrey Dixit
Excited to share that our work on the interplay of symmetric learning rules and successor representations (SR) is published in @plos.org (comp.bio)
Work done together with @doellerlab.bsky.social, @caswell.bsky.social and Juergen Jost.
doi.org/10.1371/jour...
#neuroskyence #compneurosky
1/n
Work done together with @doellerlab.bsky.social, @caswell.bsky.social and Juergen Jost.
doi.org/10.1371/jour...
#neuroskyence #compneurosky
1/n
Impact of symmetry in local learning rules on predictive neural representations and generalization in spatial navigation
Author summary The hippocampus is a brain region which plays a crucial role in spatial navigation for both animals and humans. Contemporarily, it’s thought to store predictive representations of the e...
doi.org
June 25, 2025 at 1:19 PM
Excited to share that our work on the interplay of symmetric learning rules and successor representations (SR) is published in @plos.org (comp.bio)
Work done together with @doellerlab.bsky.social, @caswell.bsky.social and Juergen Jost.
doi.org/10.1371/jour...
#neuroskyence #compneurosky
1/n
Work done together with @doellerlab.bsky.social, @caswell.bsky.social and Juergen Jost.
doi.org/10.1371/jour...
#neuroskyence #compneurosky
1/n
🚨Preprint Alert: Who Does What in Deep Learning? Multidimensional Contribution of Neural Units using Game Theory: arxiv.org/abs/2506.19732
The result of my MSc thesis is out with @kayson.bsky.social @fatemehhadaeghi.bsky.social @patrickmineault.bsky.social @kordinglab.bsky.social, Claus C. Hilgetag
The result of my MSc thesis is out with @kayson.bsky.social @fatemehhadaeghi.bsky.social @patrickmineault.bsky.social @kordinglab.bsky.social, Claus C. Hilgetag
Who Does What in Deep Learning? Multidimensional Game-Theoretic Attribution of Function of Neural Units
Neural networks now generate text, images, and speech with billions of parameters, producing a need to know how each neural unit contributes to these high-dimensional outputs. Existing explainable-AI ...
arxiv.org
June 25, 2025 at 9:18 AM
🚨Preprint Alert: Who Does What in Deep Learning? Multidimensional Contribution of Neural Units using Game Theory: arxiv.org/abs/2506.19732
The result of my MSc thesis is out with @kayson.bsky.social @fatemehhadaeghi.bsky.social @patrickmineault.bsky.social @kordinglab.bsky.social, Claus C. Hilgetag
The result of my MSc thesis is out with @kayson.bsky.social @fatemehhadaeghi.bsky.social @patrickmineault.bsky.social @kordinglab.bsky.social, Claus C. Hilgetag
Reposted by Shrey Dixit
How does the brain work in natural scenarios, in multi-animal societies of wild animals? 🧠 🧪 🦇
doi.org/10.1126/scie...
(1/n)
doi.org/10.1126/scie...
(1/n)
January 30, 2025 at 7:20 PM
How does the brain work in natural scenarios, in multi-animal societies of wild animals? 🧠 🧪 🦇
doi.org/10.1126/scie...
(1/n)
doi.org/10.1126/scie...
(1/n)
Wanted to bookmark this post but apparently the feature is not out yet. So I'm sharing it with everyone instead.
OK If we are moving to Bluesky I am rescuing my favourite ever twitter thread (Jan 2019).
The renamed:
Bluesky-sized history of neuroscience (biased by my interests)
The renamed:
Bluesky-sized history of neuroscience (biased by my interests)
December 6, 2024 at 4:03 PM
Wanted to bookmark this post but apparently the feature is not out yet. So I'm sharing it with everyone instead.
Reposted by Shrey Dixit
A population transformer for iEEG. Solid results hinging on better spatial aggregation through a contrastive task. openreview.net/forum?id=hVY...
Population Transformer: Learning Population-level Representations...
We present a self-supervised framework that learns population-level codes for intracranial neural recordings at scale, unlocking the benefits of representation learning for a key neuroscience...
openreview.net
December 4, 2024 at 2:00 AM
A population transformer for iEEG. Solid results hinging on better spatial aggregation through a contrastive task. openreview.net/forum?id=hVY...
Reposted by Shrey Dixit
Excited to share our Network Reciprocity Control (NRC) algorithms for steering the degree of #asymmetry and #reciprocity in binary and weighted #networks while preserving fundamental network properties.
www.biorxiv.org/content/10.1...
🧵
www.biorxiv.org/content/10.1...
🧵
November 25, 2024 at 8:41 PM
Excited to share our Network Reciprocity Control (NRC) algorithms for steering the degree of #asymmetry and #reciprocity in binary and weighted #networks while preserving fundamental network properties.
www.biorxiv.org/content/10.1...
🧵
www.biorxiv.org/content/10.1...
🧵