Reposted by Arif A. Hamid, Ph.D.RLDM @rldmparis2027.bsky.social · 29/09/2026📣 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 👀 06836
Reposted by Arif A. Hamid, Ph.D.Shenhav Lab @shenhavlab.bsky.social · 28/09/2026Our newest paper, "The three biggest obstacles to solving motivated behavior, and how to overcome them," is now in press at Advances in Motivation Science 🎉 osf.io/preprints/ps... To learn more about the obstacles & solutions the paper poses, see the 🧵 below: bsky.app/profile/did:...osf.ioOSF 095
Reposted by Arif A. Hamid, Ph.D.bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 24/09/2026Task-Relevant Cognitive Load Modulates Fast and Slow Processes Underlying Motor Adaptation www.biorxiv.org/content/10.64898/20… 051
Reposted by Arif A. Hamid, Ph.D.Mitchell Ostrow @neurostrow.bsky.social · 21/09/2026Very excited to announce our most recent paper! TL;DR we made our prior work on comparing dynamics (DSA) much faster and generalizable to diverse data domains and problem settings (1/)biorxiv.orgA metric for comparing complex systems by their dynamicsComparisons are fundamental to science: experiment against model, one organism against another, a system against itself across time. Because many systems, from brains to climate, are characterized by ... 16618
Reposted by Arif A. Hamid, Ph.D.The Rockefeller University @rockefeller.edu · 22/09/2026We are thrilled to announce that molecular biologist and neuroscientist Catherine Dulac of @harvardmcb.bsky.social is the 2026 winner of Rockefeller's Pearl Meister Greengard Prize! Register now for the award ceremony on Oct 20. #WomenInScience 🔗: bit.ly/3V2pZMA 46114
Reposted by Arif A. Hamid, Ph.D.bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 22/09/2026The impact of alpha synuclein overexpression on nigrostriatal transmission www.biorxiv.org/content/10.64898/20… 032
Reposted by Arif A. Hamid, Ph.D.Jeremiah Cohen @jeremiahycohen.bsky.social · 16/09/2026Happy to share the version of record of our locus coeruleus paper here: www.nature.com/articles/s41... Prior thread on some of our discoveries in this study: bsky.app/profile/jere...nature.comTopographic structure and function of locus coeruleus noradrenaline neurons - NatureDorsal and ventral noradrenergic neurons in the locus coeruleus form topographic subpopulations whose projection patterns and activity encode choice switching, reward-prediction errors and disregard o... 813452
Reposted by Arif A. Hamid, Ph.D.Jonathan Tsay @tsay.bsky.social · 14/09/2026New preprint! 🥳 How do we discover what to do when a movement goes wrong? Answer: hypothesis testing (HT) - testing and evaluating candidate motor solutions based on sensory evidence. HT explains how we explore, and when exploration gives way to an “aha!” moment.biorxiv.orgUnderstanding Strategic Motor Learning as a Process of Hypothesis TestingMultiple learning processes contribute to successful goal-directed actions under changing physiological states, biomechanical constraints, and environmental contexts. Among these, explicit strategies ... 1247
Reposted by Arif A. Hamid, Ph.D.Terence Tao @teorth.bsky.social · 11/09/2026A group of 25 Fields Medalists, including myself, have made a joint declaration on Math and AI: mathandai.org . We welcome additional signatories. See also this article in the Economist announcing the declaration: www.economist.com/science-and-...mathandai.orgDeclaration — Math and AIRead the declaration and add your name. 422055930
Reposted by Arif A. Hamid, Ph.D.Ryan Truong @heyodogo.bsky.social · 10/09/2026We present PlayTrain, a new Reinforcement Learning (RL) framework that reimagines how we build video-game environments for RL by harnessing LLMs’ ability to write JavaScript games. PlayTrain turns single-file JS browser games into RL environments ready for efficient training. 1164
Reposted by Arif A. Hamid, Ph.D.Drew Schreiner @schreinerdrew.bsky.social · 09/09/2026I’m on the faculty job market this fall! 🐦🧠 I’m an NIH K99/R00 awardee studying how the brain learns complex skills, using birdsong to connect molecules, synapses, circuits, behavior & computation. Know of a search where I might fit? Please send it my way & share!drewschreiner.github.ioDrew Schreiner, Ph.D. | Neuroscience of LearningI use birdsong to understand how the brain learns complex skills across molecules, synapses, circuits, behavior, and computation. On the 2026–27 faculty job market. 611557
Reposted by Arif A. Hamid, Ph.D.Christophe 🔬 Leterrier @christlet.bsky.social · 08/09/2026So... an academic and an Anthropic employee used LLMs (including OpenAI models) to make decisive progress on the Navier Stokes resolution. Then OpenAI claimed to have done it and will not clearly disclose if it used access to the two researchers' LLM sessions to do so cims.nyu.edu/~tristanb/st... 1279
Reposted by Arif A. Hamid, Ph.D.Biological Psychiatry @biologicalpsych.bsky.social · 24/08/2026Depression disrupts a specific brain region's ability to evaluate control over effort, revealing distinct neural pathways for different types of motivation.biologicalpsychiatrycnni.orgHow value and control shape motivation: Dissociable mesocorticolimbic circuits and vmPFC dysfunction in depressionMotivation arises from the integration of anticipated reward value and perceived control over effort allocation, yet the neural mechanisms through which these computations shape motivated behavior,… 0135
Reposted by Arif A. Hamid, Ph.D.Adam Carter @carterlab.bsky.social · 01/09/2026Happy to share our new J Neurosci paper showing how cortical and thalamic inputs engage cholinergic interneurons in the nucleus accumbens (NAc) core: www.jneurosci.org/content/earl... 0255
Reposted by Arif A. Hamid, Ph.D.Spiros Chavlis @spiroschav.bsky.social · 31/08/2026Last call for #Imbizo TA applications; deadline is tomorrow! 011
Reposted by Arif A. Hamid, Ph.D.Ali Mohebi @mohebial.bsky.social · 29/08/2026Fluorescence Friday, live from the situation room! Dopamine dynamics (dLight3.8) Top: Fluorescence intensity Bottom: Fluorescence lifetime Methylphenidate does indeed increase the baseline (formerly known as tonic dopamine) 1192
Reposted by Arif A. Hamid, Ph.D.Jean-Paul Noel @jpnoel.bsky.social · 29/08/2026First Noel Lab Pre-print! If you are into "peri-personal space" and feel like we need more single cell recordings, this one is for you! www.biorxiv.org/content/10.6...biorxiv.orgAn egocentric map prioritizing peri-personal space in the mouse rostro-lateral visual areaAll physical interactions between an organism and its environment occur within the space immediately adjacent to and surrounding its body, its peripersonal space (PPS). This space has been extensively... 25415
Reposted by Arif A. Hamid, Ph.D.bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 28/08/2026A behaviourally normed database of 1,377 natural sounds for auditory cognition and neuroscience www.biorxiv.org/content/10.64898/20… 032
Reposted by Arif A. Hamid, Ph.D.browncopsy.bsky.social @browncopsy.bsky.social · 11/08/2026Brown University CoPsy is hiring an Assistant Professor! Research areas: AI & cognition, collective behavior, or brain health. Starting July 2027. Apply by Sept 15: apply.interfolio.com/190677apply.interfolio.com Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio 2711
Reposted by Arif A. Hamid, Ph.D.eLife @elife.bsky.social · 24/07/2026Methylphenidate enhances or impairs the cognitive control of Pavlovian bias depending on working memory capacitybuff.lyMethylphenidate enhances or impairs the cognitive control of Pavlovian bias depending on working memory capacityCatecholaminergic modulation by methylphenidate affects appetitive and aversive Pavlovian biases of approach and avoidance in humans depending on individual differences in working memory capacity. 012
Reposted by Arif A. Hamid, Ph.D.Juan Linde-Domingo @lindedomingo.bsky.social · 24/07/2026Replay of procedural memory is independent of the hippocampus 👀👀 www.nature.com/articles/s41...nature.comReplay of procedural memory is independent of the hippocampus - Nature NeuroscienceThompson, Rollik and colleagues show that, during sleep, the brain replays procedural memories in the striatum independently of the hippocampus. Replay content was shaped by prior reward and error out... 18126
Reposted by Arif A. Hamid, Ph.D.Neuropsychopharmacology @npp-journal.bsky.social · 23/07/2026Cue-evoked dopamine signals of termination cues drive automated habit-like behaviornature.comSequence termination cues drive automated habit-like strategy via dopamine-mediated processesNeuropsychopharmacology - Sequence termination cues drive automated habit-like strategy via dopamine-mediated processes 001
Reposted by Arif A. Hamid, Ph.D.Mitch Roitman @mitchroitman.bsky.social · 22/07/2026Dopamine and sodium appetite! Sodium appetite causes a 'sign change' in the taste of hypertonic NaCl solutions. We've previously shown that generation of the appetite recruits phasic dopamine to the taste of NaCl; here we show the 'derecruitment' process during satiation. 4208
Reposted by Arif A. Hamid, Ph.D.BrainGlobe @brainglobe.info · 16/07/2026Nice Claude skill to create basic neuroanatomical visualisations with BrainGlobe & blender: github.com/SamedVossber... The single prompt "Use the allen mouse brain atlas to create an animation to show primary visual cortex and primary motor cortex" gives: 1188
Reposted by Arif A. Hamid, Ph.D.HHMI @hhmi-science.bsky.social · 21/07/2026Thinking about applying to become a #FreemanHrabowski Scholar, #HannaGray Fellow, or #GilliamFellow? Our Science Programs team went live to cover key program details, elements of a strong application, & to take your questions. Watch the replay! bit.ly/4gS5DOM 🧪bit.lyBecoming an HHMI Scientist (for Potential Program Applicants)HHMI's June 2026 live virtual event was a chance for early career scientists to learn more and ask questions about HHMI's upcoming competitions — the Freeman Hrabowski Scholars and Hanna H. Gray Fellows Programs (applications open Nov. 3, 2026), and the Gilliam Fellows Program (applications open Sept. 1, 2026) — which provide generous support to scientists from graduate training through the early faculty years. Featuring Vice President and Chief Scientific Officer Leslie Vosshall; Scientific Program Officers Josh Hall, Angela DePace, and Jose Faraldo-Gomez; and Senior Science Program Coordinator Adrielle Munger, the event covered everything from the details of each program to what HHMI looks for in candidates, and key elements of a strong application. Visit hhmi.org/programs to learn more, and stay connected via email (https://www.hhmi.org/newsletters) and social (below) for regular updates. _____ Follow HHMI https://www.instagram.com/hhmi_science/ https://www.linkedin.com/company/howard-hughes-medical-institute https://www.facebook.com/HowardHughesMed https://x.com/hhmi_science Bluesky: https://bsky.app/profile/hhmi-science.bsky.social 083
Reposted by Arif A. Hamid, Ph.D.bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 23/06/2026Cholinergic interneuron control of GABAergic circuits targeting spiny projection neurons is disrupted in parkinsonian models www.biorxiv.org/content/10.64898/20… 072
Reposted by Arif A. Hamid, Ph.D.Charlie Wilson @crewilson.bsky.social · 23/06/2026New preprint from the team - what's the role of frontal cortex - LPFC & MCC - in learning about progress towards goals? Data from the checking project collected by Fred Stoll. New analyses by Xiaoqi Xu. With Matteo di Volo, Manu Procyk, & skytorial from @nilskolling.bsky.social below 0127
Reposted by Arif A. Hamid, Ph.D.Ben Saunders @bensaunders.bsky.social · 19/06/2026Check our new work! Studies led brilliantly by @louisakuper.bsky.social. We investigate the parafascicular thalamus as an interface of sensory, attention, and movement signals that guide exploration and cue-related learning. 23813
Reposted by Arif A. Hamid, Ph.D.bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 02/06/2026A genetic tool targeting brain GPR75 www.biorxiv.org/content/10.64898/20… 022
Reposted by Arif A. Hamid, Ph.D.bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 22/05/2026A Small-Molecule Mitochondrial Complex I Modulator Improves Behavioral and Mitochondrial Dysfunction in Schizophrenia www.biorxiv.org/content/10.64898/20… 031
Reposted by Arif A. Hamid, Ph.D.Theresa Desrochers, Ph.D. @desrocherslab.bsky.social · 19/05/2026I remember the first time I learned about affordances and what the brain does with them - our learning about how we relate to things in the world. So cool! Check out the latest by @sci_toons explaining them: 🧪 🧠 youtu.be/cs3Clg5Syf8?...youtu.beAffordances: How our Bodies and Environment Shape ThoughtImagine you are building a robot to clean your room. The robot needs to overcome a number of challenges in order to complete its tasks, including: perceiving things from changing perspectives,… 1176
Reposted by Arif A. Hamid, Ph.D.Earl K. Miller @earlkmiller.bsky.social · 18/05/2026Our 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... #neurosciencenature.comRhythmic sampling of multiple decision alternatives in the human brain - Nature CommunicationsHow 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... 16117
Reposted by Arif A. Hamid, Ph.D.Robb Rutledge @robbrutledge.bsky.social · 14/05/2026🎉New positions!🎉 Postdoc and Research technician openings in our lab @yale for computational psychiatry research. Technician position a great stepping stone to grad school. More info: rutledgelab.org/positions Work w/big data from our smartphone apps and large clinical samples happinessquest.apprutledgelab.orgPostdoc and Research Technician Positions — Rutledge LabNow hiring a postdoc and a research technician with an interest in neuroeconomics or computational psychiatry. 14636
Reposted by Arif A. Hamid, Ph.D.Laura Grima @lauragrima.bsky.social · 09/05/2026Really pleased that this work with @dudman.bsky.social is now out in Neuron: A global dopaminergic learning rate enables adaptive foraging across many options 1213446
Reposted by Arif A. Hamid, Ph.D.Stephen Turner @stephenturner.us · 03/05/2026Free and open-source images, icons, and tools for creating scientific illustrations doi.org/10.59350/5zt... 🧪doi.orgFree and open-source images, icons, and tools for creating scientific illustrationsPhylopic, NIH Bioart, Bioicons, Scidraw, Open Science Art, Health Icons, Servier Medical Art, Biodiversity Heritage Library, the Noun Project, Segment Anything, Excalidraw, draw.io, Biographics 6406227
Reposted by Arif A. Hamid, Ph.D.bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 01/05/2026Reward and punishment differentially shape basketball free-throw learning www.biorxiv.org/content/10.64898/20… 032
Reposted by Arif A. Hamid, Ph.D.Ben Saunders @bensaunders.bsky.social · 21/04/2026Another PhD! Huge congratulations to Dr. @margestelzner.bsky.social!!!! She completed a fantastic dissertation defense yesterday. We are all really proud! 4666
Reposted by Arif A. Hamid, Ph.D.Kendall Powell @kendallsciwrite.bsky.social · 21/04/2026Are you coming up for tenure review in the next couple of years? See the @nature.com Careers team's advice for assembling a kick-ass tenure portfolio. Reporting by @scattercushion.bsky.social A step-by-step guide to nailing your tenure promotion package www.nature.com/articles/d41...nature.comA step-by-step guide to nailing your tenure promotion packageIt’s an important milestone in many academic careers, yet the tenure process is surprisingly nebulous. Here’s what it takes to succeed. 163
Reposted by Arif A. Hamid, Ph.D.HHMI @hhmi-science.bsky.social · 20/04/2026The kind of stable, sustained support that can transform a career: Our #FreemanHrabowski Scholars Program offers early career faculty up to $10M over 10 years, plus salary & benefits. Postdoc? This year's competition has a program for you, too. Applications open 11/3! bit.ly/4tFKifj 052
Reposted by Arif A. Hamid, Ph.D.Sam Gershman @gershbrain.bsky.social · 17/04/2026To accompany my textbook (Computational Foundations of Cognitive Neuroscience) and the class I taught this semester, I'm open-sourcing my lectures slides: gershmanlab.com/lectures.html I'll continue to update these as I improve them. 419057
Reposted by Arif A. Hamid, Ph.D.Leslie B Vosshall PhD @leslievosshall.bsky.social · 16/04/2026Scientific publishing needs to change. HHMI President Erin O'Shea and Bodo Stern argue that the incentives are misaligned. Researchers should be evaluated on what they choose to share, not what journals select. Proud that HHMI @hhmi-science.bsky.social is leading the way. Pre-Print: bit.ly/4sDCCsudoi.orgRealigning incentives for biomedical researchers and journals through researcher-shared outputsIn this preprint the authors propose a shift in what counts in the biomedical sciences: researchers should be recognized for what they choose to share on their own terms and timeline (for example as p... 1177
Reposted by Arif A. Hamid, Ph.D.Leslie B Vosshall PhD @leslievosshall.bsky.social · 17/04/2026📢🎉@hhmi-science.bsky.social HHMI competition for the next cohorts of #HannaGray Fellows and #FreemanHrabowski Scholars opening 11/3/2026. Senior postdocs and faculty within 7 years of appointment. Up to $10M over 10 yrs, + salary & benefits. Spread the word and consider applying! bit.ly/4vhC0LA 23321
Reposted by Arif A. Hamid, Ph.D.Shervin Safavi @neuroprinciplist.bsky.social · 07/04/2026If you need a method to infer causality from neural data, even when the signal is short, check our recent paper: Paper: joss.theoj.org/papers/10.21... Code: github.com/CMC-lab/Tran...joss.theoj.orgTranCIT: Transient Causal Interaction ToolboxNouri et al., (2025). TranCIT: Transient Causal Interaction Toolbox. Journal of Open Source Software, 10(116), 9302, https://doi.org/10.21105/joss.09302 05022
Reposted by Arif A. Hamid, Ph.D.Rudebeck Lab @rudebecklab.bsky.social · 04/04/2026Want a dataset to test ideas on neural basis of decision making or how areas interact as we make choices? Check out our data published today @rudebecklab.bsky.social. >16,000 single neurons from 22 anatomically confirmed areas in macaques performing a decision task. www.nature.com/articles/s41...nature.comDataset of cortical and subcortical single neuron activity during value-based tasks in macaque monkey - Scientific DataScientific Data - Dataset of cortical and subcortical single neuron activity during value-based tasks in macaque monkey 210534
Reposted by Arif A. Hamid, Ph.D.The Transmitter @thetransmitter.bsky.social · 31/03/2026The requested boost would help counter the planned sunsetting of one of the program’s long-standing funding streams, which will result in a $195 million drop in funding for fiscal year 2027. By @avaskham.bsky.social #neuroskyence www.thetransmitter.org/funding/lett...thetransmitter.orgLetter asks Congress for nearly $500 million to sustain BRAIN InitiativeThe boost would help counter the planned sunsetting of one of the program’s long-standing funding streams. 01811
Reposted by Arif A. Hamid, Ph.D.HHMI @hhmi-science.bsky.social · 07/12/2025What happens when HHMI scientists come together? Inspiring conversations, new perspectives, and a shared excitement for discovery. No matter what program they’re part of, our Investigators, Scholars, Fellows, and more join a vibrant scientific community driven by bold ideas. 0103
Reposted by Arif A. Hamid, Ph.D.Mariam Aly @mariamaly.bsky.social · 24/03/2026How do the brain’s event representations change as we gain familiarity with an experience? Brain regions’ representations can become coarser or finer as events become familiar. Slow-timescale structure predicts memory. Excited to share this work w/ Narjes Al-Zahli & @chrisbaldassano.bsky.social!jneurosci.orgRepeated Viewing of a Film Clip Changes Event Timescales in The BrainMany everyday experiences share a recurring structure: routines, familiar routes, rewatched films, and replayed songs. How do repeated encounters with such structure alter the brain’s representations ... 011240
Reposted by Arif A. Hamid, Ph.D.Pedro J. Goncalves @ppjgoncalves.bsky.social · 22/03/2026Proud to see this fantastic work by my PhD student @anastasiakrouglova.bsky.social on multifidelity SBI out in the world! 0142
Reposted by Arif A. Hamid, Ph.D.Neuropsychopharmacology @npp-journal.bsky.social · 19/03/2026Using independent component analysis of [18F]Flubatine PET to dissociate β2-containing nicotinic ACh receptor subtypes in the human brain, this study found that subtype-specific nicotinic receptor adaptations may inform smoking cessation therapiesnature.comMultiple sources of β2*-nicotinic acetylcholine receptor binding are differentially affected during tobacco smoking abstinence as revealed by Independent Component Analysis of [18F]Flubatine PET imagesNeuropsychopharmacology - Multiple sources of β2*-nicotinic acetylcholine receptor binding are differentially affected during tobacco smoking abstinence as revealed by Independent Component... 021