Sign in

Joao Barbosa

@jbarbosa.org
3.9K followers 969 following 1.5K posts

INSERM group leader @ Neuromodulation Institute and NeuroSpin (Paris) in computational neuroscience. How and why are computations enabling cognition distributed across the brain? Expect neuroscience and ML content. jbarbosa.org parisneuro.fr

PostsRepliesMedia
Reposted by Joao Barbosa
RLDM @rldmparis2027.bsky.social · 21h
📣 Save the date! RLDM 2027, the Multi-disciplinary Conference on Reinforcement Learning and Decision Making, is coming to Paris, July 6-9, 2027 🎉 Stay tuned for submission deadlines and more updates on our website rldm.org 👀
06532
Reposted by Joao Barbosa
Lorenzo Posani @lorenzoposani.com · 18h
If you are at Bernstein, come by at poster 60 session IV (Wed 2pm), Charlotte will present our results on compositional and abstract representations of social stimuli in the monkey face patch system. Particularly proud of this as it’s the first poster from the first student of the lab 😊
0106
Reposted by Joao Barbosa
Phillip Isola @phillipisola.bsky.social · 28/09/2026
Students sometimes ask me if it still makes sense, in this accelerating age, to pursue a PhD in AI. Perhaps counterintuitively, I think it's a great time to do so. I wrote up some thoughts on this here: web.mit.edu/phillipi/www...
web.mit.edu
On the Value of Doing a PhD in the Age of AI
17815
Reposted by Joao Barbosa
Shervin Safavi @neuroprinciplist.bsky.social · 28/09/2026
We are thrilled 🥳 to share that we’re joining forces with @roxana-zeraati.bsky.social to establish a joint research unit, @cmc-unit.bsky.social integrating embodied and natural decision making across species! We also have open PhD and postdoc positions (check below for more info) 🎉
16512
Reposted by Joao Barbosa
Matthijs Pals @matthijspals.bsky.social · 28/09/2026
What are the dynamics underlying sequence working memory? To found out, we develop and analyse RNNs fitted to multi-session single-unit data of macaques. See my talk Wed 12:00, at @bernsteinneuro.bsky.social. With @jakhmack.bsky.social @mackelab.bsky.social Data from Chen et al., Neuron 2024.
1419
Joao Barbosa @jbarbosa.org · 25/09/2026
I am sad to miss @bernsteinneuro.bsky.social conference this year, but please consider checking out the work from our lab and collaborations. We'll bring 7 posters, check the details below if interested and go say hi to the first authors! abstracts.g-node.org/conference/B...
1265
Reposted by Joao Barbosa
Maciej Kania @kaniamaciej.bsky.social · 25/09/2026
Train your model on a task, or fit it to biological data? And once it's optimized, what does it tell us about the brain? 🧠 In our #BernsteinConference satellite workshop, we'll discuss these questions through the lenses of different optimization methods. Check it out in Room 3.104! 🤓😉
44317
Reposted by Joao Barbosa
Eryk Salvaggio @eryk.bsky.social · 25/09/2026
I started researching ML before I built a synth, but you can get a great intuitive understanding of interaction within a generative system by building a modular analog synthesizer and watching how your components interact, and seeing what surprises emerge and what stays predictable as you scale up.
Steve Porcaro of "Toto" with a wall-sized modular synthesizer - basically a massive nest of tangled wires -- the Polyfusion 'Damius'. Photo by Jim Gardner - https://www.flickr.com/photos/jamesthephotographer/120916737/
39311
Reposted by Joao Barbosa
Sandra Romero Pinto @sromeropinto.bsky.social · 25/09/2026
Happy to have this finally out! TL;DR: The evolution of beliefs over time can be formulated as a dynamical system, and OFC neural activity appears to implement this system with its own dynamics. These emerge without explicit supervision—when animals learn to predict value in simple Pavlovian tasks
14518
Reposted by Joao Barbosa
Simon Schultz @simonschultz.bsky.social · 24/09/2026
www.linkedin.com/posts/mikhai...
linkedin.com
Neuralink Demo Raises Questions About Artifacts and Ethics | Mikhail Lebedev posted on the topic | LinkedIn
Facts are the air scientists breathe. But artifacts are their daily bread. What’s wrong with the “thought” in the Neuralink video? The world is watching the Neuralink demo in which a patient “uses t...
032
Reposted by Joao Barbosa
Guillaume Bellec @bellecguill.bsky.social · 23/09/2026
I have a postdoc position open in my NeuroAi lab in Vienna 👌👾🧪🧠 And I will be at Bernstein (workshop only), please reach out if you are interested
1158
Reposted by Joao Barbosa
Anil Seth @anilseth.bsky.social · 17/09/2026
1/ Conscious AI and Biological Naturalism. A long time in the making, but the full collection is *out now* in Behavioural and Brain Sciences I deeply thank all my many commentators for their wise, broad, and deep opinions on this critical topic.I also thank them for their saintly patience. 🙏🏽
37327
Reposted by Joao Barbosa
Nima Dehghani @neurovium.bsky.social · 23/09/2026
XJ Wang left ?!? What a loss for the US (and NYU) Everyday I get some news that a prominent scientist is leaving. The chaos of the science budget and downfall of the American science are spiralling down very fast. This is disheartening. www.eurekalert.org/news-release...
eurekalert.org
World-renowned computational neuroscientist professor Xiao-Jing Wang joins HKU as Chair Professor
The University of Hong Kong (HKU) announces the appointment of Professor Xiao-Jing Wang, a pioneer in theoretical and computational neuroscience, to its faculty as a Chair Professor. Professor Wang wi...
1277
Reposted by Joao Barbosa
megan peters 🧠 @meganakpeters.bsky.social · 23/09/2026
Neuromatch Impact Scholars are smart, dedicated, motivated, and have also gone thru at least one of our courses! Mentoring them can lead to publications and other important outputs! Apply to mentor today -- fantastic opportunity!
0159
Reposted by Joao Barbosa
Tarryn Balsdon @tarrynbalsdon.bsky.social · 19/09/2026
The best thing about having to defend another thesis is the opportunity to feel grateful to all the people who have helped me along the way! Thank you for your advice, feedback, moral support, I hope to pay it forward
Picture of me and the final slide of my HDR defence - a long list of names of people who have helped me along the way
01019
Reposted by Joao Barbosa
COSYNE @cosynemeeting.bsky.social · 11/09/2026
📢Have work to share with the computational and systems neuroscience community? Abstract submissions for #COSYNE2027 are now open. Deadline: 18 October 2026, 11:59 p.m. AoE Submit your abstract: www.cosyne.org/abstracts-su... #Neuroscience
06840
Reposted by Joao Barbosa
Saints-Pères Paris Institute for the Neurosciences @sppin-cnrs.bsky.social · 11/09/2026
@sppin-cnrs.bsky.social @cnrs.fr is organizing #NeuralNet2026 in Paris on Nov. 25–27 ! Join the 15th annual meeting of GDR NeuralNet @upcite.bsky.social , bringing together researchers working across systems neuroscience, neural data, computational modeling, NeuroAI & data science.
1169
Reposted by Joao Barbosa
Matt Seybold @mattseybold.bsky.social · 09/09/2026
I feel so confident saying the native intelligence of this generation is not the problem. The looting & wholesale sabotage of their educational infrastructure is.
241361335
Reposted by Joao Barbosa
Ali Shiravand @alishiravand.bsky.social · 09/09/2026
Maybe the most practical democratic response to AI is to tax the economic value it creates and give that value back to people before human labor loses "too much" of its economic leverage.
041
Reposted by Joao Barbosa
Matteo Carandini @carandinilab.net · 09/09/2026
If you thought "everything is everywhere" in the brain: inactivations reveal a clear distinction of labor. Sensory areas sense, colliculus promotes eligible actions (!), and prefrontal cortex integrates. The role of superior colliculus in a logistic decision www.biorxiv.org/content/10.6...
210532
Reposted by Joao Barbosa
jake @yetanotheruseless.com · 08/09/2026
lab-sniping (v): * want problem Z solved? * tweet about how you are kinda making progress on Z using Lab A's model * wait for Lab B to freak out and throw 10,000 agents at it * problem Z solved!
41727
Reposted by Joao Barbosa
Anil Seth @anilseth.bsky.social · 01/05/2026
1/2 Why AI is unlikely to become conscious – my 2026 TED talk is now online. What do you think about the prospects for 'conscious AI'? www.ted.com/talks/anil_s...
87222
Reposted by Joao Barbosa
Ignacio Saez, PhD @ignaciosaezphd.bsky.social · 04/09/2026
📣 We're hiring! The Saez Lab at Mount Sinai is seeking a postdoctoral researcher with experience in intracranial recordings, electrophysiology, BCIs, mood disorders, and/or computational modeling, to explore the neural basis of human cognition. 🗓️ Apply by September 30, 2026. Please share widely!
02222
Joao Barbosa @jbarbosa.org · 04/09/2026
Looking for a (neuroscience) PI position in France? You still have time to do it this year, but you need to act fast. If you have no idea how to do it, start by reading this! l1nk.dev/hk1mx6e 1/
12010
Reposted by Joao Barbosa
Grace Lindsay @neurograce.bsky.social · 04/09/2026
"*you* will get kicked out of the university if you commit fraud, but a professor won't"
1313
Reposted by Joao Barbosa
Princeton Neuroscience Institute @princetonneuro.bsky.social · 04/09/2026
We're hiring! PNI is recruiting an assistant professor of neuroscience working with non-human primates in any area. Review begins Oct 19: apply.interfolio.com/192521 #NeuroJobs #Neuroskyence
photo of PNI and psychology building
04853
Joao Barbosa @jbarbosa.org · 04/09/2026
static.klipy.com
The Rock's Iconic Eyebrow Raise
ALT: The Rock's Iconic Eyebrow Raise
120
Reposted by Joao Barbosa
Maxime Maheu @maheump.bsky.social · 03/09/2026
Thrilled to share we've been awarded an ERC Starting Grant! We'll work across mice and humans to ask how the brain decides which evidence to trust. Thank you @erc.europa.eu, the panel, and everyone who helped train me. Hiring from September 2027 — maheulab.org/openings #ERCStG
maheulab.org
Openings · Maheu Lab
Research group at NeuroPSI (CNRS / Université Paris-Saclay) studying the circuit mechanisms and brain computations supporting cognition in humans and rodents.
1302
Reposted by Joao Barbosa
Laura Dugué @lauradugue.bsky.social · 03/09/2026
The french network on computational neuroscience, #RTNeuroComp, had its first conference today! 2 great keynotes by Nancy Kopell & @timkietzmann.bsky.social. 4 round tables to discuss the current research challenges in computational neuroscience and the contour of the discipline + many posters.
Conference attendees
1265
Joao Barbosa @jbarbosa.org · 03/09/2026
I can finally tell the world that i was selected for an ERC stg 🤯 Maybe this what people mean when they say they are "humbled by" but I am at peak imposter syndrome, and I really mean it: 1/
291459
Reposted by Joao Barbosa
The Transmitter @thetransmitter.bsky.social · 02/09/2026
In this episode of @braininspired.bsky.social, @dlevenstein.bsky.social explains how internally generated brain activity during sleep shapes our cognition, and why NeuroAI is such a powerful approach to understanding our brains. #neuroskyence www.thetransmitter.org/brain-inspir...
thetransmitter.org
What’s the role of spontaneous neural activity during sleep?
Daniel Levenstein explains how internally generated brain activity during sleep shapes our cognition, and why NeuroAI is such a powerful approach.
25319
Reposted by Joao Barbosa
Tal Golan @talgolanneuro.bsky.social · 28/08/2026
How can we design experiments that make computational models disagree? One section of our new @natrevneuro.nature.com Review with @kriegeskorte.bsky.social and @heikoschuett.bsky.social examines studies that used stimulus sets designed to elicit distinct predictions from competing models. 1/16
114154
Reposted by Joao Barbosa
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...
19628
Joao Barbosa @jbarbosa.org · 24/08/2026
Happy to see this out! @mtschiersch.bsky.social shows PFC hemispheres can flexiblely switch between two different WM storage strategies: redundant vs specialized storage systems👇🏻
0163
Reposted by Joao Barbosa
Nikolas Karalis @nikolaskaralis.bsky.social · 23/08/2026
Last week to apply for the Neuromodulation of Neuronal Circuits Conference & Workshop! Sept. 14 - 17, 2026, Paris Brain Institute Before the conference, we are hosting a two-day theoretical and hands-on workshop for selected early career researchers. Deadline: September 1 www.paris-circuits.eu
1219
Reposted by Joao Barbosa
Patrick Mineault @patrickmineault.bsky.social · 22/08/2026
How has neuroscience changed in the past 10 years? I reread The Future of the Brain, a 2014 compilation of essays from neuroscientists, to see if we accomplished what we said we would. Atlases! Connectomes! Whole brain simulations! TL;DR: we did pretty well! www.neuroai.science/p/the-future...
neuroai.science
The Future of the Brain, past and present
Reflecting on a decade of neuroscience advancements
14311
Reposted by Joao Barbosa
eLife @elife.bsky.social · 20/08/2026
Dividing the cortex
buff.ly
Dividing the cortex
Neural activity profiles in mice reveal how behaviorally relevant activity is organized across the sensorimotor cortex.
0123
Reposted by Joao Barbosa
Henry Mance @henrymance.ft.com · 19/08/2026
Woah.
18462711865
Reposted by Joao Barbosa
Tim Kietzmann @timkietzmann.bsky.social · 19/08/2026
📢 We are hiring a full professor in "Intelligence in Biological and Artificial Systems". Come join us at Germany's first and largest cognitive science program. Please share far and wide, and get in touch with any questions. www.uni-osnabrueck.de/en/universit...
uni-osnabrueck.de
129 FB 8 W3 Professorship Intelligence in Biological and Artificial Systems, Institute of Cognitive Science: Uni Osnabrück
05731
Reposted by Joao Barbosa
Lucas Gil Nadolskis @lnadolskis.bsky.social · 18/08/2026
I've been blind since I was five. My job: building the brain implants that could one day restore my own sight. Engineer and end-user, same person. I post about bionic vision, doing science with a screen reader, and tech that includes us — or doesn't. More: braillemind.com
093
Reposted by Joao Barbosa
Dan Levenstein @dlevenstein.bsky.social · 18/08/2026
Yale Neuroscience is hiring another computational neuroscience position this year! Please share with anyone who might be interested, and feel free to reach out if you have any questions about the position, or growing neuro-AI community at Yale/WTI!
14324
Reposted by Joao Barbosa
Rosanne Rademaker @rademaker.bsky.social · 18/08/2026
If you’re a PI who’s written documentation about values, expectations, or practicalities of your lab AND you don’t mind this being referenced in an upcoming article (with Christine Pfund and @weijima.bsky.social), I would ❤️ it if you shared your 📄 with us. Thanks!
122119
Reposted by Joao Barbosa
Ben Hayden @benhayden.bsky.social · 13/08/2026
New paper from the BCM Neurosurgery research team! "Neural basis of compositional control" led by @assiachericoni.bsky.social and @justfineneuro.bsky.social ! 🧵 www.nature.com/articles/s41...
nature.com
Neural basis of compositional control - Nature
Behaviour of human participants in a prey-pursuit task reflects dynamic blending of goal-specific control policies, with hippocampus estimating latent states, anterior cingulate cortex orchestrating p...
39546
Reposted by Joao Barbosa
The Transmitter @thetransmitter.bsky.social · 17/08/2026
Being able to record from large neuron populations has led to myriad methods to compare them, writes @itsneuronal.bsky.social. But we still grapple with how to convert measures of likeness into better mechanistic understanding. #neuroskyence www.thetransmitter.org/neural-dynam...
thetransmitter.org
Mind over metrics: How can we tell if two brains (or AI models) are alike?
The ability to record from large populations of neurons has triggered the development of myriad methods for comparing them. But we’re still grappling with how to convert measures of likeness into a…
0199
Reposted by Joao Barbosa
Dan Levenstein @dlevenstein.bsky.social · 14/08/2026
Super excited to be teaching a lecture on computational models of memory at this @neurosas.bsky.social course this Fall. It's not too late to apply to join us in Venice!
0261
Reposted by Joao Barbosa
Alireza Modirshanechi @modirshanechi.bsky.social · 15/08/2026
Excited to share that I'll be starting as a junior professor and Emmy Noether awardee at the University of Göttingen this October! 🥳 🚀 I'll be hiring #phd students and #postdoc across #machinelearning, #neuroscience and #cogsci: modirlab.github.io/open-positio... Please spread the word! 🙏
PhD ad informationPostdoc ad informationInformation about Göttingen and equal opportunities
1217059
Joao Barbosa @jbarbosa.org · 13/08/2026
Wtf is working memory extremely limited and long term memory virtually infinite, despite the belief that the network mechanisms of either memories are essentially the same (ie attractors)
5323
Reposted by Joao Barbosa
Dan Levenstein @dlevenstein.bsky.social · 11/08/2026
If you’re interested to do an interdisciplinary co-mentored, field transition, or open ended theory/computation postdoc at WTI, please get in touch!
0259
Reposted by Joao Barbosa
Philip Ball @philipcball.bsky.social · 10/08/2026
"The central challenge is no longer building models that reproduce biological behavior, but building models from which causal structure can be inferred." Very sensible paper about not just throwing everything into your simulation or model. arxiv.org/abs/2608.06998
arxiv.org
Simulating is not always understanding: When model complexity obscures biology
In cell biology, computational models of biological systems range from minimal representations with a handful of parameters to whole-cell simulations tracking thousands of molecular species across a c...
911734
Reposted by Joao Barbosa
Nicole Rust @nicolecrust.bsky.social · 08/08/2026
pmc.ncbi.nlm.nih.gov/articles/PMC...
pmc.ncbi.nlm.nih.gov
Why Are We Scientists? Drawing Inspiration From Rita Levi-Montalcini
In 2007, drawing inspiration from her previous experiments on chick embryos, Rita Levi-Montalcini, at the age of 98, proposed a new project, and a research group, in which I was included, was formed a...
162