Doeller Lab
@doellerlab.bsky.social
📤 351
📥 416
📝 8
Cracking the code for cognition.
reposted by
Doeller Lab
Luise Graichen
21 days ago
✨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
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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...
https://rdcu.be/eLRm2
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⏳ Deadline approaching! Apply by 13 Oct for the Postdoc in Cognitive Neuroscience at MPI Leipzig.
add a skeleton here at some point
about 1 month ago
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reposted by
Doeller Lab
Andrej Bicanski
about 1 month ago
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...
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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), ...
https://www.biorxiv.org/content/10.1101/2025.10.01.679719v1
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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
about 2 months ago
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reposted by
Doeller Lab
Nicholas Menghi
about 2 months ago
🚨 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...
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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...
https://www.biorxiv.org/content/10.1101/2025.09.22.677779v1
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Congratulations to
@reznikdan.bsky.social
and
@sofievalk.bsky.social
for this tremendous achievement!
add a skeleton here at some point
2 months ago
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reposted by
Doeller Lab
Qiaoli Huang
3 months ago
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...
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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...
https://www.biorxiv.org/content/10.1101/2025.08.20.671058v1
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Excellent outcome of
#Algonauts2025
challenge by
@algonautsproject.bsky.social
: Phase 1 winners, 2nd overall. Congratulations to everyone involved.
add a skeleton here at some point
3 months ago
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reposted by
Doeller Lab
Janis Keck
5 months ago
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
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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...
https://doi.org/10.1371/journal.pcbi.1013056
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reposted by
Doeller Lab
Shrey Dixit
5 months ago
🚨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
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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 ...
https://arxiv.org/abs/2506.19732
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reposted by
Doeller Lab
Salma Elnagar
5 months ago
📣 Very excited for our symposium on “Building Knowledge Structures” tomorrow at 16:30 at
@pug2025.bsky.social
Together with amazing people:
@barnaveliirina.bsky.social
@lukaskunz.bsky.social
@mirkothm.bsky.social
and Andrea Greve
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reposted by
Doeller Lab
Volker Reisner
6 months ago
New preprint! We explored how learned movement patterns affect our sense of traveled distance and proposed a neurocomputational model that leverages embodied memories to denoise spatial codes. 🔗
www.biorxiv.org/cgi/content/...
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Re-enacting steps supports human path integration consistent with motor-corrected grid cell drift
Efficient navigation, especially in the absence of vision, requires path integration - the continuous updating of spatial position from self-motion cues. However, path integration is prone to cumulati...
https://www.biorxiv.org/cgi/content/short/2025.05.18.654711v1
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reposted by
Doeller Lab
Irina Barnaveli
6 months ago
Our paper in
@natcomms.nature.com
, we show how cognitive maps in the hippocampal system could solve the general problem of representing and relating multiple alternative action plans.
doi.org/10.1038/s414...
With
@doellerlab.bsky.social
, Patrick Haggard,
@vigano.bsky.social
, Daniel Reznik
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reposted by
Doeller Lab
7 months ago
🧠✨How do we rebuild our memories? In our new study, we show that hippocampal ripples kickstart a coordinated expansion of cortical activity that helps reconstruct past experiences. We recorded iEEG from patients during memory retrieval... and found something really cool 👇(thread)
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Come meet our lab at
#CNS2025
today during the Poster Sessions! 🧠 We’re excited to share work on mental organization, knowledge representation, conceptual spaces & task simulation. Details are in the thread 👇
7 months ago
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