Kayson Fakhar
Post-Doc @camneuro.bsky.social | Computational Neuroscience, Neuro-AI, and a bit more.
https://kaysonfakhar.com
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- Reposted by Kayson Fakhar#ProtistsOnSky no 'swimming' by 𝘝𝘢𝘮𝘱𝘺𝘳𝘦𝘭𝘭𝘢, definitively no 'staying still'. just a relaxed walk towards the lunch...
- Do microbes get more food by swimming or staying still? Turns out both work, and cilia help them pull in nutrients no matter the strategy. buff.ly/vK3GmK5
- This is happening today.
- This Thursday (Feb 5th) we're hosting Dr. Salvador Durá-Bernal with a talk on “Large-scale biophysical models of neuronal circuits to study brain function and disease”. Here's the registration link and the abstract: cam-ac-uk.zoom.us/meeting/regi...
- Reposted by Kayson FakharNew perspective on the evolutionary potential of symbiotic interactions! Is there something special about symbiosis that leads to new traits and adaptations? If so, how would we know and how would this work? academic.oup.com/jeb/advance-...
- Reposted by Kayson FakharWhy don’t neural networks learn all at once, but instead progress from simple to complex solutions? And what does “simple” even mean across different neural network architectures? Sharing our new paper @iclr_conf led by Yedi Zhang with Peter Latham arxiv.org/abs/2512.20607
- Reposted by Kayson FakharIranians are experiencing a collective trauma. Thousands have been killed/injured in recent events, the economy is crippled & the threat of a wider conflict is real. This is especially difficult for those living in Iran, as many have lost (or fear losing) loved ones. www.nature.com/articles/d41...
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- Reposted by Kayson FakharInfants organise their visual world into categories at two-months-old! So happy to see these results published - congratulations Cliona and the rest of the FOUNDCOG team.
- This Thursday (Feb 5th) we're hosting Dr. Salvador Durá-Bernal with a talk on “Large-scale biophysical models of neuronal circuits to study brain function and disease”. Here's the registration link and the abstract: cam-ac-uk.zoom.us/meeting/regi...
- Reposted by Kayson FakharDiscovered @patrickmineault.bsky.social's excellent Good Research Code Handbook today, which was always awesome, but is even more necessary as more scientists consider integrating coding agents into their workflows. goodresearch.dev
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- Reposted by Kayson FakharAre episodic and semantic memory really that different? Using closely matched tasks, we found no substantial neural differences between recalling personal experiences and general knowledge: nature.com/articles/s41562-025…
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- Reposted by Kayson FakharNew paper out at PNAS: www.pnas.org/doi/10.1073/... Revisiting the high-dimensional geometry of population responses in the visual cortex with @jpillowtime.bsky.social. The review took forever because a reviewer was doubtful our new estimator can infer eigenvalues beyond the rank of the data! (1/6)
- Reposted by Kayson FakharPostdoc position in Paris: come help develop new generation human brain computer interfaces ⚡🧠💻 Interested? Contact me if you have experience with machine learning (e.g. simulation-based inference, RL, generative/diffusion models) or dynamical systems. See below for + details and retweet 🙏
- Reposted by Kayson FakharWe could all use some extra stress #resilience rn. But how does it work in the brain? On the surface, resilience looks like ignoring stress. Does the brain fail to respond? Or are active adaptations required? Or are resilience and susceptibility divergent paths? doi.org/10.1016/j.celrep.2025.116867
- Reposted by Kayson FakharHappy to share our preprint with @neworderofjamie.bsky.social , @danakarca.bsky.social and @drtnowotny.bsky.social ! We’ve been working on a neuron position learning algorithm by coupling space and time! See manuscript below 👇
- Reposted by Kayson FakharThe extended version of my thesis procrastination project/subcortex visualization package is out now in both Python and R, now that I’ve graduated 🤠 This figure shows the 9 atlases included (and counting)! Preprint: www.biorxiv.org/content/10.6... Website: anniegbryant.github.io/subcortex_vi...
- Reposted by Kayson FakharAuschwitz was at the end of a process. We must remember that it did not start from gas chambers. This hatred gradually developed: from ideas, words, stereotypes & prejudice through legal exclusion, dehumanization & escalating violence... to systematic and industrial murder. Auschwitz took time.
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- Reposted by Kayson Fakhar🚨 New paper from @comunelab.bsky.social ! 🧪🧠 If you do connectome analysis from correlations, you’re probably averaging at some point (and you probably don't give it much thought). But when is it OK? 👉 www.nature.com/articles/s42... 🧵 1/
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- Reminder that this is happening today.
- This Thursday at 3PM (UTC), we'll host @barabasi.bsky.social at the Making Connections seminar series. I'm sure it'll be a very stimulating and inspiring talk, so if you'd like to join, register via the link below: sites.google.com/view/makingc...
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- Reposted by Kayson FakharWhat kinds of cognitions are possible? Are there discrete classes of cognition? Here's our new paper with @brigan.bsky.social @jordiplam.bsky.social @mitibennett.bsky.social @mkhochb.bsky.social and @drmichaellevin.bsky.social arxiv.org/abs/2601.12837 We explore basal, neural and human-AI spaces.
- Reposted by Kayson FakharA worm, H. miamia, appears to have a diffuse 'brain' without regional specialization. "Early brains may have arisen through the condensation of diffuse nerve nets into unregionalized brains, with regionalization evolving secondarily." www.biorxiv.org/content/10.1...
- This Thursday at 3PM (UTC), we'll host @barabasi.bsky.social at the Making Connections seminar series. I'm sure it'll be a very stimulating and inspiring talk, so if you'd like to join, register via the link below: sites.google.com/view/makingc...
- Reposted by Kayson FakharOver the years, I have written a few Jupyter/Rmd/Matlab notebooks that attempt to teach some statistical concepts, particularly in neuroimaging. You can find them here: www.mrc-cbu.cam.ac.uk/people/rik.h..., though I will say a bit more about each one in a number of posts over next few days.
- Reposted by Kayson FakharIntroducing a new scientific computing library: syntropy. Syntropy is a comprehensive package for information theory, aimed at both theoreticians and data analysts working on discrete, continuous, and mixed data. 1/N github.com/thosvarley/s...
- Reposted by Kayson FakharThis book is a wonderful, synthetic and richly illustrated journey through the natural history of the vertebrate brain 🤩 A big thank you to the authors 🙏 "A major theme in the evolution of the telencephalon has been the emergence of novel pathways... 1/2
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- Reposted by Kayson FakharWanna compare dynamics across neural data, RNNs, or dynamical systems? We got a fast and furious method🏎️ The 1st preprint of my PhD 🥳 fast dynamical similarity analysis (fastDSA): 📜: arxiv.org/abs/2511.22828 💻: github.com/CMC-lab/fast... I’ll be @cosynemeeting.bsky.social - happy to chat 😉
- Reposted by Kayson FakharEffective Graph Resistance as Cumulative Heat Dissipation arxiv.org/abs/2601.00330
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Throughout this work, we found it really helpful to organize our thinking along 'Marr's three levels of analysis': 1. the computational problem 2. the algorithmic solution 3. biophysical implementation Check out our review laying out this conceptual framework here: buff.ly/NE4JEOA - Reposted by Kayson Fakhar1/n: A new collaborative preprint from the lab to start the year: "A multi-ring shifter network computes head direction in zebrafish" together with Siyuan Mei, Martin Stemmler and Andreas Herz from the LMU, Munich.
- Reposted by Kayson Fakhar𝗦𝗽𝗮𝘁𝗶𝗮𝗹𝗹𝘆 𝗱𝗶𝘀𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝗱 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 𝗶𝗻 𝘁𝗵𝗲 𝗺𝗼𝘂𝘀𝗲 𝗯𝗿𝗮𝗶𝗻 If we leave aside the more extreme discussions about "everything everywhere" and modularity this is a very cool paper. So much can be done with data from 260 regions and 60K neurons. doi.org/10.1101/2025... #neuroskyence
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- Reposted by Kayson FakharHere is the link to download the PDF of my course#5 on Biological computation. I present & discuss Self-tuning, Adaptation and Learning in biological (non-neuronal) systems, in particular during embryonic development. This course contains various personal ideas/proposals. tinyurl.com/hcpwsbtm
- Reposted by Kayson FakharI've got a fully-funded PhD studentship open at @birkbeckpsychology.bsky.social, investigating social learning about metacognition & awareness, w/ behavioural studies & neuroimaging (fMRI) - thanks to @leverhulme.ac.uk More details here: www.jobs.ac.uk/job/DPV831/p... #cogsci #neuroskyence
- OOF
- Reposted by Kayson Fakhar⚠️ New paper alert and what a way to end 2025! 🎉 Happy to share our story “Sleep-dependent infraslow rhythms are evolutionarily conserved across reptiles and mammals.” published today in Nature Neuroscience. Sleeping dragons 🦎 and functional ultrasound! Read the full paper here: rdcu.be/eWJHb 1/8
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- Reposted by Kayson FakharGiving what we can has implemented a fun game where you spin a globe to see how your starting point in life would compare if you were reborn today, randomly somewhere on earth. www.givingwhatwecan.org/birth-lottery
- Reposted by Kayson FakharThis is your brain on Ritalin. Got your attention? Stimulant medications like Ritalin (methylphenidate) do, but not in the way you might think. They don't act directly on the brain’s attention systems! Find out what's really happening in @cellpress.bsky.social. doi.org/10.1016/j.ce...
- Reposted by Kayson FakharA must-read review. It argues that brain areas are only one of several organizing principles and are not especially central, given their weak correspondence to function. Cytoarchitecture and connectivity are a starting point, not the endpoint. www.nature.com/articles/s41... #neuroscience
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- Totally agree with Marcus on this. Besides, I think every method should be introduced with an “intuition paper” first that uses toy models to show what’s actually happening and how *not* to interpret findings from the subsequent “real” analyses. We sometimes do this now but nowhere near enough.
- Toy models, just in time for Christmas! Excited to share my first article for @thetransmitter.bsky.social #neuroskyence
- Reposted by Kayson FakharSequences are everywhere! In every brain region. And are written in stone. Invariant Activity Sequences Across the Mouse Brain. Out today, by Célian Bimbard, with @kenneth-harris.bsky.social. Based on data by Célian and by @intlbrainlab.bsky.social. www.biorxiv.org/content/10.6...
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- Reposted by Kayson Fakhar📆 updated for 2026! list of summer schools & short courses in the realm of (computational) neuroscience or data analysis of EEG / MEG / LFP: 🔗 docs.google.com/spreadsheets...
