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Seán Froudist-Walsh

@seanfw.bsky.social
453 followers 344 following 182 posts

Computational Neuroscientist at University of Oxford and Trinity College Dublin. PI of the Cognition, Anatomy & Neural Networks (CANN) lab. canngroup.github.io/cann-website

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Reposted by Seán Froudist-Walsh
Joe Noonan @joenoonan.bsky.social · 26/09/2026
Gavin Bazunu statement on withdrawing from Ireland squad

Posts gavin_bazunu
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Statement - Gavin Bazunu

Representing my country means everything to me. I have the utmost respect for every single one of my team mates, the Manager, his staff and the Irish people

However I have reached a decision that I have hot taken lightly. I am a man of strong faith and try my best to be a person of character and principle therefore 1 feel it would be wrong to participate in the upcoming fixtures against Israel.

My decision is based purely upon my personal belief that the killing of innocent people is wrong.

It is important to note that my stance is not in opposition of the Israeli people or the Jewish community but against the atrocities in the region.

There are few times where you get a chance ir ife to stand up for something bigger and strongly believe that this is one of them


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Claire Gillan @clairegillan.bsky.social · 14/09/2026
Hey our psychology department is recruiting an assistant professor in developmental psychology - please check it out universityvacancies.com/trinity-coll...
universityvacancies.com
University & College Vacancies
Connecting talent with opportunity in higher education
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Rhodri Cusack @rhodricusack.bsky.social · 10/09/2026
We're hiring! 2 postdocs + 3 PhD students to join InfantNeuroAI at Trinity College Dublin: awake infant fMRI & OPM-MEG, plus computational models of how infants learn. Aims: understand infant visual cognition, infant neuroimaging methods, more energy-efficient learning 🧵 www.cusacklab.org/vacancies
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Konstantinos Tsetsos @ktsetsos.bsky.social · 14/09/2026
The Cunningham & O’Connell Laboratories at Trinity College Institute of Neuroscience are recruiting a 3-year postdoc for the MAP-IT project! 🧠 Using OPM-MEG to improve localisation of epileptogenic tissue in glioma-associated epilepsy. Ideal start: Q1 2027.
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Mediterranean Society for Consciousness Science @mesec-community.bsky.social · 03/09/2026
What a week! We had inspiring talks and discussions with our fantastic speakers @jolienfrancken.bsky.social, @neurograce.bsky.social, @seanfw.bsky.social, @naotsuchiya.bsky.social 🧠🧠🧠 #consciousness #consci #academicsky
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Rui Ponte Costa @somnirons.bsky.social · 27/08/2026
These results provides direct support for our theoretical ideas in Pemberton et al. 2024! www.nature.com/articles/s41...
nature.com
Cerebellar-driven cortical dynamics can enable task acquisition, switching and consolidation - Nature Communications
How the brain maintains a stable world model while swiftly adapting to environmental changes remains unclear. Here, the authors propose that the cerebellum drives cortical dynamics, enabling rapid tas...
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Rui Ponte Costa @somnirons.bsky.social · 27/08/2026
How does the brain continually adapt? Fresh in @natureportfolio.nature.com our super exciting collaboration with @mark-j-wagner.bsky.social showing that the cerebellum contextualises cortical dynamics enable multi-task learning: www.nature.com/articles/s41...
nature.com
Granule cells reorient cortical trajectories to separate contexts - Nature
Simultaneous imaging of premotor cortex and cerebellar granule cells in mice learning two skills in parallel shows that trajectories generalize in cortex but coherently reorient apart in granule cells...
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Melanie Tschiersch @mtschiersch.bsky.social · 24/08/2026
Our paper "Redundant prefrontal hemispheres adapt storage strategy to working memory demands" is finally out in Nature Communications! We combined bilateral PFC recordings, modeling and human data to ask: How do the hemispheres work together to store information?1/n www.nature.com/articles/s41...
nature.com
Redundant prefrontal hemispheres adapt storage strategy to working memory demands - Nature Communications
Neural mechanisms underlying spatial working memory are not fully understood. In this manuscript, simultaneous bilateral monkey recordings and attractor networks show how weakly coupled, redundant pre...
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Karim Habashy @krhab.bsky.social · 13/08/2026
New (and updated) preprint is now out!🔬🧠 We propose a hypothesis regarding how the genome, despite its limited information-carrying capacity, can initialize a brain with billions of neurons that comprise a diverse set of functions. Relevant to: #neuroscience #devleopmental-biology Details 👇
biorxiv.org
Factorization and spatial encodings: a hypothesis about the foundations of the genomic code
The genomic mechanisms that efficiently encode the initial architecture and synaptic connectivity of neural circuits remain poorly understood. We hypothesise that two primary mechanisms — spatial enco...
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Marcus Ghosh @marcusghosh.bsky.social · 14/08/2026
Now published @commsaicomp.nature.com with @neural-reckoning.org We: 🤖 Define a taxonomy of neural network architectures (here 128 unique structures) 🦾 Train > 25,000 models on different navigation tasks #RL 🧠 Link each architecture's behaviour to its memory dynamics doi.org/10.1038/s444...
A taxonomy of recurrence. We defined a family of neural networks for exploring questions in neuroscience and machine learning. Here each network is represented by three circles joined by different connections (short, coloured lines). Networks are joined by longer, pale grey lines if they differ by one connection. Moving from left to right takes us from the simplest to the most complex network.
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Seán Froudist-Walsh @seanfw.bsky.social · 13/08/2026
Research deserves to be paid. PIs, consider the effects of taking on unpaid researchers on socioeconomic inequality in academia, and consider whether you can write a paid pre-PhD RA position into your next grant.
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Eliza Bliss-Moreau @eblissmoreau.bsky.social · 06/08/2026
7/ ... whether we need animals to answer our questions and if yes, which animals we need. Sometimes we don't need animals. Sometimes 🐟 are the best model and 🐒 aren't. Being open to the possibilities and cognizant of true species differences is really important to speed discovery.
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Eliza Bliss-Moreau @eblissmoreau.bsky.social · 06/08/2026
1/ New paper out today from my group, in @natneuro.nature.com, in which we review the anatomical & functional data on insula structure across species. This was a "whole lab" project led by @joeycharbonneau.bsky.social. It's been a 5 year in the making (a full 3 years in review)! rdcu.be/fyd7T
rdcu.be
Comparative insights into insula structure and function
Nature Neuroscience - Charbonneau et al. compare how the insula is structured and functions in humans, monkeys and rodents, revealing similarities and differences across species that are likely to...
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Weiji Ma @weijima.bsky.social · 04/08/2026
Don't you sometimes wish you had an undo button on your important decisions? A new paper from the lab starts examining what drives undo decisions in a multi-step planning task. www.nature.com/articles/s44...
nature.com
Decision reversals in sequential decision-making - Communications Psychology
People often make sequences of decisions to reach a goal. In such situations, when decisions can be undone, people act faster and undo to correct errors. Undoing is driven by both retrospective and pr...
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Helen Barron @helencbarron.bsky.social · 28/07/2026
***New preprint from the lab*** showing “Generative replay across hippocampal-neocortical circuits”. In sleep we show spiking sequences in V1 (sensory neocortex!) that represent information that has not been directly experienced www.biorxiv.org/content/10.6... @bndu.ox.ac.uk @ndcnoxford.bsky.social
biorxiv.org
Generative replay across hippocampal-neocortical circuits
To make flexible decisions, the brain needs to make inferences between events that were not directly experienced together. In sharp-wave ripple (SWR) events, during periods of rest and sleep, spiking ...
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Demetrio Ferro @d-ferro.bsky.social · 28/07/2026
Excited to share our latest publication, out now in @natcomms.nature.com !🧠🔍 Accumulating virtual rewards enhances both decision-making accuracy and neural value encoding in dorsal anterior cingulate cortex by dynamically shifting a goal-dependent internal reference point. doi.org/10.1038/s414...
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The ADAPT Centre @adaptcentre.bsky.social · 17/07/2026
New research from @tcddublin.bsky.social, led by ADAPT researchers Dr Sara Carta and Prof. Giovanni Di Liberto, has revealed that the brain can briefly process two conversations at the same time when shifting attention between speakers: www.adaptcentre.ie/news-and-eve... @researchireland.ie
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Earl K. Miller @earlkmiller.bsky.social · 15/07/2026
MIT Professor Susumu Tonegawa, renowned molecular biologist and Nobel laureate, dies at 86 news.mit.edu/2026/mit-pro... #neuroscience
news.mit.edu
MIT Professor Susumu Tonegawa, renowned molecular biologist and Nobel laureate, dies at 86
Susumu Tonegawa, a renowned MIT professor of biology and neuroscience and a Nobel laureate, has died at the age of 86. His discovery of how the immune system generates many different antibodies earned...
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Seán Froudist-Walsh @seanfw.bsky.social · 30/06/2026
This should be a nice debate at CCN
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Alon Baram @alonbaram.bsky.social · 29/06/2026
How does the human brain extract abstract structure from experience? We show that sensory-independent relational representations emerge in mPFC over several days. Work with @mgarvert.bsky.social and @behrenstimb.bsky.social now out in @currentbiology.bsky.social: www.cell.com/current-biol...
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Seán Froudist-Walsh @seanfw.bsky.social · 26/06/2026
Great to see Mark Stokes getting acknowledged , and also the author senior authors who stepped in, but I’d like to highlight 1st author Michał Wojcik who completed this excellent work from his PhD under such difficult circumstances. He‘s got more good stuff in the pipeline - one to watch
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Seán Froudist-Walsh @seanfw.bsky.social · 26/06/2026
Congratulations @xjwang.bsky.social on the Braitenberg Award for Computational Neuroscience! He dedicated the award to science without borders! A brilliant scientist and mentor to me and many. My group laugh at how often I tell them “Xiao-Jing would say…”. bernstein-network.de/en/newsroom/...
bernstein-network.de
Xiao-Jing Wang receives the 2026 Valentin Braitenberg Award for Computational Neuroscience – Bernstein Network Computational Neuroscience
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Seán Froudist-Walsh @seanfw.bsky.social · 24/06/2026
Fantastic news for neuroAI and @tcddublin.bsky.social . Congratulations Rhodri!
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Seán Froudist-Walsh @seanfw.bsky.social · 19/06/2026
This is such a great opportunity for early career neuroimaging researchers in the Global South and for our centre. Come join our @oxcin.bsky.social community!
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eLife @elife.bsky.social · 19/06/2026
A fundamental study of individual variation and contribution of learning to behavioural individuality. Conclusions are supported by compelling, rigorous analysis across a number of experiments in thousands of individuals across genotypes and conditions.
buff.ly
Learning is a fundamental source of individuality
Altmetric provides a collated score for online attention across various platforms and media.See more details
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Rui Ponte Costa @somnirons.bsky.social · 18/06/2026
Work brilliantly led by @will-greedy.bsky.social !
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Rui Ponte Costa @somnirons.bsky.social · 18/06/2026
Our latest story is finally in preprint! 🧠✨ How does the brain solve the (hierarchical) credit assignment problem efficiently? Cell-type-specific cortical feedback holds the key, closely approximating backprop. Paper: doi.org/10.64898/202...
doi.org
Cell-type-specific cortical feedback coordinates hierarchical credit assignment
Learning is thought to arise from synaptic modifications embedded in brain-wide circuits, yet how such circuits coordinate plasticity to support complex behaviour is not known. Inspired by deep learni...
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Seán Froudist-Walsh @seanfw.bsky.social · 14/06/2026
This might just be my favourite room in the world. Literally awe-inspiring.
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Thomas Akam @thomasakam.bsky.social · 11/06/2026
This project builds on work establishing the behaviour done at Champalimaud in Lisbon with @michaelfsp.bsky.social, Beatriz Godinho, Christian Machens, and @ruimcosta.bsky.social : www.biorxiv.org/content/10.6...
biorxiv.org
Flexible route planning and rapid structure learning by mice in complex environments
Action selection using predictive models of the environment plays a fundamental role in human and animal behaviour, yet is poorly understood at circuit and algorithmic levels. Spatial navigation is an...
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peterdoohan.bsky.social @peterdoohan.bsky.social · 11/06/2026
How do brains plan actions towards goals? To get at this question we studied mice navigating complex mazes as goals changed on every trial 🧵 Work with @thomasakam.bsky.social @behrenstimb.bsky.social @kristorpjensen.bsky.social now on BioRxiv: www.biorxiv.org/content/10.6...
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Dr. Jan Zimmermann @janzimmermann.bsky.social · 01/06/2026
Such important and impactful work ❤️
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Rudebeck Lab @rudebecklab.bsky.social · 01/06/2026
A few years back we started a collaboration to try to work out the mechanisms engaged by DBS for depression. Published today we found that it changes functional networks (expected) but also remodels specific white matter tracts (unexpected). Read more here: www.nature.com/articles/s41...
nature.com
Deep brain stimulation induces white matter remodeling and functional changes to brain-wide networks - Nature Neuroscience
In a nonhuman primate model, Fujimoto et al. show that deep brain stimulation promotes white matter remodeling and reorganizes brain-wide functional networks, detailing a mechanism through which this ...
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TK (Takashi DY) Kozai @bioniclab.bsky.social · 30/05/2026
🪼 Your tax dollars paid a scientist to squeeze jellyfish through cheesecloth. Osamu Shimomura processed tens of thousands on an NSF grant to understand why they glow. He found a protein that glowed green under UV light. Called it "green protein." Nobody cared. For decades.
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Seán Froudist-Walsh @seanfw.bsky.social · 28/05/2026
This is such a great PhD opportunity at the cutting edge of Cognitive Computational Neuroscience. I'm delighted to finally get to collaborate with Peter and @redmondoconnell.bsky.social . Come join @neuromurphy.bsky.social lab and let's figure out this fascinating puzzle together.
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Andrew Pruszynski @andpru.bsky.social · 22/05/2026
I love this work, check out Lucas' talk on the study as part of the superlab journal club... youtu.be/hCuUE7XEg8o?...
youtu.be
Lucas Tian (Rockefellar)
YouTube video by Andrew Pruszynski
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Athena Akrami @athenaakrami.bsky.social · 22/05/2026
This is super cool! Monkeys' frontal cortex when drawing: action strokes exhibit 3 features indicating symbolic representation: 1.invariance over low-level motor parameters 2.categorical structure reflecting discrete action types 3.recombination into novel sequences www.nature.com/articles/s41...
nature.com
Neural representation of action symbols in primate frontal cortex - Nature
A drawing-like task designed to study compositional generalization identifies a specific neural population in the ventral premotor cortex in primates that encodes action symbols.
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Rui Xu @rui-xu.bsky.social · 20/05/2026
New preprint as my first post! "Monosynaptic connections link functionally similar regions in human cortex." We use electrical stimulation + fMRI in epilepsy patients to map whole-brain monosynaptic connectivity at 42 cortical sites. doi.org/10.64898/202... 1/n
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Mediterranean Society for Consciousness Science @mesec-community.bsky.social · 20/05/2026
Have a look at the programme we have prepared for the workshop and the amazing speakers who will be joining us! 🧠 Including @smfleming.bsky.social @seanfw.bsky.social @neurograce.bsky.social @jolienfrancken.bsky.social @naotsuchiya.bsky.social Applications close 29 May!⏳ mesec.co/event/worksh...
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Seán Froudist-Walsh @seanfw.bsky.social · 18/05/2026
What a fantastic opportunity to do cutting edge and impactful computational psychiatry for your PhD, with an excellent and supportive supervisor in a great academic environment and city.
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Earl K. Miller @earlkmiller.bsky.social · 18/05/2026
Our brains don’t think in a steady stream. They rhythmically “scan” different alternatives, using attention cycles to sample and compare choices. Rhythmic sampling of multiple decision alternatives in the human brain www.nature.com/articles/s41... #neuroscience
nature.com
Rhythmic sampling of multiple decision alternatives in the human brain - Nature Communications
How humans process competing information when making multi-alternative decisions remains unclear. Here, the authors show that the brain resolves the trade-off between “evaluating within” and “comparin...
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Rui Ponte Costa @somnirons.bsky.social · 11/05/2026
Our first endeavour in jointly explaining human brain-behaviour through gameplay! An impressive effort led by @botoscsabi.bsky.social and @sreejan.bsky.social with the help of a team of collaborators! Parer: arxiv.org/abs/2605.08019
arxiv.org
Reason to Play: Behavioral and Brain Alignment Between Frontier LRMs and Human Game Learners
Humans rapidly learn abstract knowledge when encountering novel environments and flexibly deploy this knowledge to guide efficient and intelligent action. Can modern AI systems learn and plan in a sim...
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Seán Froudist-Walsh @seanfw.bsky.social · 05/05/2026
Rogier Mars has a new book on how brains evolved!
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NeuroecologyLab @neuroecologylab.bsky.social · 05/05/2026
Out in the UK today! press.princeton.edu/books/hardco...
press.princeton.edu
The Fox, the Shrew, and You
A leading neuroscientist describes the long evolutionary process that led to the human brain
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Mediterranean Society for Consciousness Science @mesec-community.bsky.social · 25/04/2026
🚨 Applications are open! 🚨 Join MESEC’s 2026 Summer Workshop: ⭐️Computational Modelling for Consciousness Science: From Fragmentation to Integration⭐️ 📍 Carcassonne, France 📅 29 Aug–5 Sept 2026 🗓️ Deadline: 29 May 2026 More info and applications here: mesec.co/event/worksh...
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Grace Lindsay @neurograce.bsky.social · 12/04/2026
New preprint from my lab! We study how reinforcement learning & selective attention interact. To do so, we built a set of models describing different ways that value & reward prediction error can modulate top-down attention. We compare model outcomes to monkey data from a color value learning task
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Jeremiah Cohen @jeremiahycohen.bsky.social · 13/04/2026
Delighted to share our discoveries about one of the brain's neurotransmitter systems: www.biorxiv.org/content/10.6... Together with colleagues at the @alleninstitute.org, we have learned a lot about a tiny cluster of neurons in the brainstem locus coeruleus (LC) that releases norepinephrine (NE). 1
biorxiv.org
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Thomas Yeo @bttyeo.bsky.social · 09/04/2026
We develop a new TMS targeting algorithm and test it in an open label trial in a treatment-resistant depression population with high comorbidities. Preprints by @rubykong92.bsky.social Phern-Chern Tor 1. doi.org/10.1101/2025... 2. doi.org/10.64898/202... Our new approach ...
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Mark Chadbourn @chadbourn.bsky.social · 08/04/2026
Spanish Prime Minister Pedro Sánchez has called for the EU to end its Association Agreement with Israel.
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Athena Akrami @athenaakrami.bsky.social · 07/04/2026
Academic friends, It's beyond heartbreaking to watch what's unfolding in Iran & the region. A few of us drafted an open letter calling for protection of civilians & of educational, research, medical & cultural institutions. Please read & sign if you agree: sites.google.com/view/protect... #IranWar
sites.google.com
Protect Academic Life in Iran
We, the undersigned academics and researchers from around the world, express our profound concern over recent military strikes on Iran, the retaliatory responses, and the reported impact on civilian l...
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Alondra Nelson @alondra.bsky.social · 23/02/2026
The Epstein files document what many women researchers have long experienced but rarely seen laid bare so starkly: exclusion operating behind closed doors, shaping who gets funded, invited, mentored, and taken seriously. How many of these networks, norms, and gatekeepers remain in place?
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