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Eleonora Russo

@russoel.bsky.social
690 followers 532 following 32 posts

Theoretical neuroscientist. Interested in neural dynamics, neural coding, and data mining. Asst. Prof. at the BioRobotics Institute, Sant’Anna School of Advanced Studies. PI of the Brain Dynamics Laboratory. bit.ly/BrainDynamicsLab

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Reposted by Eleonora Russo
Gisella Vetere @gisellavetere.bsky.social · 11/03/2026
How does the brain build a memory? A common assumption is that the neurons activated during an experience collectively form the memory engram. In our new Nature Neuroscience paper (finally out!), we show that this is not the case. www.nature.com/articles/s41...
nature.com
Deconstruction of a memory engram reveals distinct ensembles recruited at learning - Nature Neuroscience
Pouget et al. identified distinct CA1 neuron ensembles active during specific moments of fear learning and uncovered the core engram essential for memory formation.
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Alessandro Gozzi @gozziale.bsky.social · 05/03/2026
fMRI connectivity is dominated by recurring high-amplitude BOLD events (CAPs, QPPs) But what originates these events? Many think neuromodulation is the culprit. Our new work offers a simpler take: cortico-cortical dynamics alone can generate CAP-like events! doi.org/10.1371/journal.pcbi.1013995 🧵1/n
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SueYeon Chung @sueyeonchung.bsky.social · 10/02/2026
Our paper is out in @natneuro.nature.com! www.nature.com/articles/s41... We develop a geometric theory of how neural populations support generalization across many tasks. @zuckermanbrain.bsky.social @flatironinstitute.org @kempnerinstitute.bsky.social 1/14
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Mark D Humphries @markdhumphries.bsky.social · 27/11/2025
Terrific work led by @emmaroscow.bsky.social showing that hippocampal replay reflects events with large prediction errors, all the better to bootstrap learning as we slumber Congratulations to Matt Jones & Nathan Lepora for seeing this through to the end! www.nature.com/articles/s41...
nature.com
Post-learning replay of hippocampal-striatal activity is biased by reward-prediction signals - Nature Communications
It is unclear which aspects of experience shape sleep’s contributions to learning. Here, by combining neural recordings in rats with reinforcement learning, the authors show that reward-prediction sig...
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Eleonora Russo @russoel.bsky.social · 18/08/2025
Thanks @hunglo.bsky.social and Friedrich for involving us in such an interesting project!!
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Eleonora Russo @russoel.bsky.social · 21/06/2025
Into population dynamics? Coming to #CNS2025 but not quite ready to head home? Come join us! at the Symposium on "Neural Population Dynamics and Latent Representations"! 🧠 📆 July 10th 📍 Scuola Superiore Sant’Anna, Pisa (and online) 👉 Free registration: neurobridge-tne.github.io #compneuro
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Eleonora Russo @russoel.bsky.social · 21/06/2025
and with co-organizers @albmazz.bsky.social , Silvestro Micera, Calogero Oddo, @solaiman-shokur.bsky.social, Nicolo Meneghetti, Jacopo Carpaneto.
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Eleonora Russo @russoel.bsky.social · 21/06/2025
What a line up!! With Lorenzo Gaetano Amato, Demian Battaglia, @durstewitzlab.bsky.social, @engeltatiana.bsky.social,‪ @seanfw.bsky.social‬, Matthieu Gilson, Maurizio Mattia, @leonardopollina.bsky.social‬, Sara Solla.
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Eleonora Russo @russoel.bsky.social · 21/06/2025
Into population dynamics? Coming to #CNS2025 but not quite ready to head home? Come join us! at the Symposium on "Neural Population Dynamics and Latent Representations"! 🧠 📆 July 10th 📍 Scuola Superiore Sant’Anna, Pisa (and online) 👉 Free registration: neurobridge-tne.github.io #compneuro
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Italian Network of Computational and Theoretical Neuroscience @incn.bsky.social · 06/06/2025
⏳ One week left to submit your abstract! Join us in Padova for the 2025 Italian Network of Computational Neuroscience Conference 🧠🇮🇹 📅 Deadline: 14 June Share your research and engage with the computational neuroscience community! #INNC2025 #Neuroscience #CallForAbstracts
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Reposted by Eleonora Russo
Hayley Bounds @hayleybounds.bsky.social · 15/05/2025
Excited to share my PhD paper! In it, we use targeted 2-photon optogenetic stimulation to determine how V1 activity is read-out in a detection task. We found that network influence, not visual coding properties, predicted the impact of ensembles on behavior - contradicting our expectations (1/5).
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Grace Lindsay @neurograce.bsky.social · 10/05/2025
Because we must build good things while we scream about the bad, I have started a "Data for Good" team @data-for-good-team.bsky.social that partners with organizations needing short-term data science help. We have three projects ongoing & will add more as our capacity grows. data-for-good-team.org
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Reposted by Eleonora Russo
Joao Barbosa @jbarbosa.org · 10/05/2025
Please RT🙏 Reach out if you want to help understand cognition by modelling, analyzing and/or collect large scale intracortical data from 👩🐒🐁 We're a friendly, diverse group (n>25) w/ this terrace 😎 in the center of Paris! See👇 for + info about the lab We have funding to support your application!
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Alessandro Torcini @torcini.bsky.social · 01/05/2025
Dynamics days europe 2025, Thessaloniki 23-27, June 2025 MS4: Neural Dynamics Across Spatiotemporal Scales: ... Organisers: T. Manos, A. Torcini, A. Provata, Astero The program of our MS (25-26/6/2025) is online #compneurosky #neuroskyence websites.auth.gr/ddeu2025/
websites.auth.gr
Dynamics Days Europe 2025
XLV Dynamics Days Europe 2025 Thessaloniki, Greece Conference Dates: 23 - 27 June 2025 Conference Venue: Porto Palace Conference Hotel ABOUT Dynamics Days Europe (DDE) is a series of major internation...
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Reposted by Eleonora Russo
Shervin Safavi @neuroprinciplist.bsky.social · 20/02/2025
Re-posting is appreciated: We have a fully funded PhD position in CMC lab @cmc-lab.bsky.social (at @tudresden_de). You can use forms.gle/qiAv5NZ871kv... to send your application and find more information. Deadline is April 30. Find more about CMC lab: cmclab.org and email me if you have questions.
forms.gle
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Reposted by Eleonora Russo
Jakob Macke @jakhmack.bsky.social · 24/03/2025
Out now 'in print'--- a true labor of love, in more ways than one. See the paper and press-release below! Also, go and see @matthijspals.bsky.social's talk at #Cosyne, where he will talk about related/follow up work! uni-tuebingen.de/en/research/...
uni-tuebingen.de
Deciphering the sequence of neuronal firing
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Reposted by Eleonora Russo
Tom Gauld @tomgauld.bsky.social · 05/02/2025
My latest cartoon for @newscientist.com
A crowded stadium. Thrilled fans watch from the terraces, fixated by the figures on the brightly-lit court.

Over the noise, the commentator shouts excitedly:
"Hughes conceives a lovely hypothesis. Wilson tests it through repeated observation. Evans adds experimental data then passes back to Hughes, who states the theory in unambiguous terms and the crowd goes wild!!!"
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Eleonora Russo @russoel.bsky.social · 10/03/2025
Join us in beautiful Tokyo for a great summer school! IRCN and Chen Institute Joint Course on Neuro-inspired Computation ircn.jp/en/events/07...
ircn.jp
July 2-5, 2025: [Call for Participants] IRCN and Chen Institute Joint Course on Neuro-inspired Computation
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Reposted by Eleonora Russo
Matteo Carandini @carandinilab.net · 02/02/2025
It's finally out! Visual experience orthogonalizes visual cortical responses Training in a visual task changes V1 tuning curves in odd ways. This effect is explained by a simple convex transformation. It orthogonalizes the population, making it easier to decode. 10.1016/j.celrep.2025.115235
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Reposted by Eleonora Russo
Ken Miller @kenmiller.bsky.social · 31/01/2025
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/
Picture of neural manifolds for the two choices in a decision-making task, depicted in 3D and in 2D
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Dan Goodman @neural-reckoning.org · 23/01/2025
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...
nature.com
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...
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Reposted by Eleonora Russo
The Viking (Gunnar Blohm) @gunnarblohm.bsky.social · 18/01/2025
Very cool paper by Emily Oby and colleagues: www.nature.com/articles/s41... Interesting insights into the flexibility (or lack thereof) of neural dynamics for motor control
nature.com
Dynamical constraints on neural population activity - Nature Neuroscience
Oby, Degenhart, Grigsby and colleagues used a brain–computer interface to challenge monkeys to override their natural time courses of neural activity. They found the time courses to be highly robust, ...
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Reposted by Eleonora Russo
Eleonora Russo @russoel.bsky.social · 30/11/2024
📢PhD position @ Bristol Uni (Ross Purple, Sean Froudist-Walsh) and joint supervision @ Sant’Anna School of Advanced Studies (Eleonora Russo) on the reinforcement of traumatic memories during sleep using advanced machine learning techniques. Deadline: 6 Jan. 2025 Detailed project information here 👇
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Eleonora Russo @russoel.bsky.social · 30/11/2024
www.findaphd.com/phds/project...
findaphd.com
Funded PhD - Decoding the processing of traumatic memories during sleep using machine learning at University of Bristol on FindAPhD.com
PhD Project - Funded PhD - Decoding the processing of traumatic memories during sleep using machine learning at University of Bristol, listed on FindAPhD.com
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Eleonora Russo @russoel.bsky.social · 30/11/2024
📢PhD position @ Bristol Uni (Ross Purple, Sean Froudist-Walsh) and joint supervision @ Sant’Anna School of Advanced Studies (Eleonora Russo) on the reinforcement of traumatic memories during sleep using advanced machine learning techniques. Deadline: 6 Jan. 2025 Detailed project information here 👇
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Eleonora Russo @russoel.bsky.social · 25/11/2024
🤯
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Reposted by Eleonora Russo
Jay Hennig @jhennig.bsky.social · 20/11/2024
Comp neuro PIs -- what was the first grant you got as a PI (collaborative, solo, big, small), and how soon after you started? My ears are open 😅 #neuroai #compneurosky #compneuro
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Eleonora Russo @russoel.bsky.social · 22/11/2024
👋🙋‍♀️
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Eleonora Russo @russoel.bsky.social · 18/11/2024
Hi, I would love to be added as well! thx :)
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Eleonora Russo @russoel.bsky.social · 18/11/2024
Hi, I would love to be added as well! :)
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Eleonora Russo @russoel.bsky.social · 18/11/2024
... how different theta sequences can be instantaneously induced by the activation of global rate assemblies, which provide varying degrees of depolarization to different units. Still, once induced, these sequences can then be consolidated and learned. So, the two processes can be combined.
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Eleonora Russo @russoel.bsky.social · 18/11/2024
Hi George, thanks for sharing the papers! Global context-dependent assemblies can indeed be interpreted as distinct latent states. I still need to carefully read the papers you suggested, but at first glance, it seems that sequences in CSCG are induced as result of learning. Our model highlights ...
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Eleonora Russo @russoel.bsky.social · 17/11/2024
The model also predicts that units with the least depolarization (goal direction units possibly lightly depolarized during the trial? See Wikenheiser & Redish, 2015) would fire at the end of the theta sequence. [11/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
The model predicts the recombination of the activation order of hippocampal units upon the activation of different global assemblies and the generation of assembly-specific theta sequences. This can occur flexibly during the task. [10/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
This led us to the hypothesis (and model): Different contexts recruit different assemblies. Upon assembly activation, place cells receive an assembly-specific depolarization that, combined with an oscillatory somatic inhibition, leads to an assembly-specific phase and rate. [9/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
We also noticed that phase changes (temporal code) often co-occurred with changes in the instantaneous firing rate (rate code) of the unit. [8/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
… and, within the same place field, between different contexts. [7/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
Given the link between assembly membership and place field/trial type, this time we isolated the unit’s spikes by place field and found that, as for different assemblies, the unit’s firing phase could discriminate between distinct place fields … [6/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
Hippocampal units often took part in multiple assemblies, e.g. when active in different place fields or in the same field but during different trial types. We found that the same unit could change phase preference of firing when active in different assemblies. [5/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
By isolating the spikes fired by neurons during assembly activations, we found that place cells explore a narrower theta-phase range when active within a specific assembly. [4/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
Together with the assembly composition, CAD provides the time scale of coordination between assembly units. As expected, hippocampal coding operates across multiple time scales, paced by the local theta rhythm. [3/11]
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Eleonora Russo @russoel.bsky.social · 17/11/2024
In this work, we study how rate and temporal codes integrate during the activation of hippocampal assemblies to support the encoding of spatiotemporal context in rats. To investigate coding in an unsupervised manner, we used CAD (elifesciences.org/articles/19428) [2/11]
elifesciences.org
Cell assemblies at multiple time scales with arbitrary lag constellations
A novel statistical algorithm for mining high-dimensional spike train (count) data for significant spatio-temporal patterns reveals new insights into task and brain area dependent functional organizat...
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Eleonora Russo @russoel.bsky.social · 17/11/2024
And with a bit of delay now also here: 📢 New work on hippocampal assemblies & theta! www.nature.com/articles/s41... It was a pleasure to work with Nadine Becker, Aleks Domanski, Timothy Howe, Kipp Freud, @durstewitzlab.bsky.social, Matt Jones. @SantAnna Pisa @Bristol Neuro @ZI Mannheim 🧵[1/11]
nature.com
Integration of rate and phase codes by hippocampal cell-assemblies supports flexible encoding of spatiotemporal context - Nature Communications
Russo et al. show that context-specific place cell assemblies support hippocampal integration of past experiences into future plans during goal-directed behavior and propose a biophysical mechanism be...
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Eleonora Russo @russoel.bsky.social · 17/11/2024
👋🙋
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Eleonora Russo @russoel.bsky.social · 17/11/2024
Hi, I would love to be added! thx!
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Eleonora Russo @russoel.bsky.social · 17/11/2024
👋 Would love to be added
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Eleonora Russo @russoel.bsky.social · 15/11/2024
👋
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Eleonora Russo @russoel.bsky.social · 15/11/2024
👋 Hi! comp neuro as well :)
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Eleonora Russo @russoel.bsky.social · 05/09/2024
New work on the neural encoding of social recognition and the role played by oxytocin in it. It was a great pleasure to collaborate with David Wolf, Jonathan Reinwald, Renée Hartig, Wolfgang Kelsch, and colleagues! www.nature.com/articles/s41... #oxytocin #socialneuro #memory
nature.com
Oxytocin induces the formation of distinctive cortical representations and cognitions biased toward familiar mice - Nature Communications
Recognition memory for other individuals forms quickly. Here the authors show that such memories are enabled by oxytocin and can be retrieved from reinforced and more distinct neural representations e...
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Eleonora Russo @russoel.bsky.social · 04/07/2024
The PhD position will be at the Brain Dynamics Laboratory at the Sant'Anna School of Advanced Studies: santannapisa.it/it/istituto/... in collaboration with the Kelsch lab, Johannes Gutenberg-Universität Mainz, Germany, with the opportunity to spend a period abroad www.kelschlab.com
santannapisa.it
Brain Dynamics Laboratory | Scuola Superiore Sant'Anna
Neuronal dynamics is the result of a multitude of biological processes that coexist and interplay at different time scales. A key challenge of computational neuroscience is to understand which element...
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