Reposted by Jennifer Bussell PhDFrancesco Poli @francescopoli.bsky.social · 02/10/2026So excited to share that I will be starting my research group at the Max Planck Institute for Evolutionary Anthropology! 🥳 My lab will study curiosity and exploration across biological (and artificial) minds. I will recruit a PhD, a postdoc and an RA in the coming months, so please spread the word! 86414
Reposted by Jennifer Bussell PhDBen Hayden @benhayden.bsky.social · 02/10/2026New paper from the Neurosurgery research team at BCM! 🧵 "A population code for semantics in human hippocampus" led by Melissa Franch. We recorded hippocampus single neurons while people listened to podcasts. www.nature.com/articles/s41...nature.comA population code for semantics in human hippocampus - Nature NeuroscienceFranch et al. show that human hippocampal neurons encode the meanings of the words we hear through distributed, context-sensitive population activity that mirrors some features of large language model... 19430
Reposted by Jennifer Bussell PhDNeuron @cp-neuron.bsky.social · 02/10/2026dlvr.itCircuit mechanisms of psychotic symptoms across disordersIn this review, Braun et al. propose that psychotic symptoms across psychiatric and neurological disorders arise from disturbances in neuromodulatory systems that alter neural gain and precision weighting, destabilizing cortico-striato-thalamo-cortical circuits and large-scale brain networks, offering a transdiagnostic, testable framework for future research. 033
Reposted by Jennifer Bussell PhDLeah Houri-Zeevi @leahhouri.bsky.social · 25/09/2026🩸🩸🩸TODAY WE SHARE TWO MAJOR DISCOVERIES🩸🩸🩸 1. We peered into genomes and brains of the rare mosquitoes that QUIT feeding on blood and found what biting is built from 2. Humans got rid of isoleucine in their blood, malaria suffers from it, and mosquito proteomes budget for it THREADS> 58246
Reposted by Jennifer Bussell PhDMatt Lovett-Barron @mlovettbarron.bsky.social · 23/09/2026Our lab's latest paper on the neurobiology of collective behavior is now published www.nature.com/articles/s41... This is the work of a great team in the lab - led by Jo-Hsien Yu, with Geoff Meyerhof, Jimjohn Milan, and Julia Napoli @nature.com @danionella.bsky.social 1011861
Jennifer Bussell PhD @jenbussell.bsky.social · 23/09/2026Great discussion in the replies as well as two exciting new studies! 000
Reposted by Jennifer Bussell PhDAndrej Bicanski @andrejbicanski.bsky.social · 22/09/2026Now accepted and published --- with many thanks to the referees for helping sharpen the manuscript. Long time since the first notes. Good to see it officially out. www.cell.com/current-biol...cell.comA vector navigation and inference architecture can construct universal cognitive maps for abstract reasoningBicanski proposes an algorithm and neural mechanisms for the iterative construction of abstract cognitive maps via non-local inference. Map positions are triangulated and memorized by a set of extant ... 17433
Reposted by Jennifer Bussell PhDJeff Greene @jeffgreene.bsky.social · 21/09/2026This review of developmental aspects of self-regulated learning is much-needed and welcome. I share the authors' concern that any apparent drop in SRL strategy use in adolescence is very likely due to measurement issues. We need better SRL measurement in longitudinal designs. doi.org/10.1016/j.le... 172
Reposted by Jennifer Bussell PhDCheng Xue @cxue.bsky.social · 15/09/2026Our work recently online in Nature Neuroscience: a neural reason why we err more when juggling tasks nature.com/articles/s41593-026-02430-w 🧵 Switching between tasks for different goals is an important form of cognitive flexibility. 13517
Reposted by Jennifer Bussell PhDbioRxiv Neuroscience @biorxiv-neursci.bsky.social · 18/09/2026Median raphe input to dorsal CA1 shapes VIP interneuron recruitment and novelty-guided spatial memory www.biorxiv.org/content/10.64898/20… 011
Reposted by Jennifer Bussell PhDJeremiah 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 Jennifer Bussell PhDGuillaume Lajoie @glajoie.bsky.social · 15/09/2026In brain-computer interfacing, clever and adaptive decoders help brains learn complex tasks faster. These can impact the nature of solutions learned by the brain. Our new paper is one of the first attempts to study this effect. W/ @neuroamyo.bsky.social and team www.nature.com/articles/s41...nature.comAssistive algorithms influence neural representations in motor brain-computer interfaces - Nature CommunicationsAssistive algorithms are widely used in brain-computer interfaces (BCIs), but their effects on neural representations remain unclear. Here, the authors show that adaptive BCIs lead the brain to learn ... 14011
Reposted by Jennifer Bussell PhDSteve Flack @vitaminsteve.com · 15/09/2026"A man wearing a black-and-red bandana was seen climbing out of a sewer in Queens, with him and four other men taking off after putting the manhole back in place" dude thats not a man, thats a turtlenydailynews.comMan spotted emerging from manhole in Queens amid rash of underground mysteries across NYCOfficers were sent to Juniper Blvd. S. and 74th St. in Middle Village after someone called 911 at 4:04 a.m. Sunday to report the incident. 001
Reposted by Jennifer Bussell PhDmahwishkittur.bsky.social @mahwishkittur.bsky.social · 10/09/2026After years of analyzing thousands of drawings from hundreds of adults and children, I am excited to share my first ever paper (w/ @samiyousif.bsky.social )! Using a simple drawing task, we show how topological structure is represented in the mind and its importance in spatial memory.elifesciences.orgTopological structure in human spatial representation revealed through drawing 16024
Reposted by Jennifer Bussell PhDHarrison Ritz @hritz.bsky.social · 27/08/2026Our task-switching paper is now out at Current Biology! www.cell.com/current-biol... We find that that our brains reset to a task-neutral state between trials, providing flexibility when the upcoming task is uncertain. RNNs also learn this strategy, but only when trained to switch tasks. 315665
Reposted by Jennifer Bussell PhDYasmine El-Shamayleh @elshamayleh.bsky.social · 26/08/2026Excited to share the lab’s first publication, co-led by talented postdoc Chuyi Su @chuyisu.bsky.social We leveraged cell type-specific optogenetics in the macaque cerebral cortex to elucidate the role of excitatory and inhibitory neurons in visual form processing. www.nature.com/articles/s41...nature.comOptotagging in primate cortex uncovers excitatory and inhibitory neuron specializations in form vision - Nature CommunicationsThis study leverages cell type-specific optogenetics in the monkey cerebral cortex to elucidate the unique functional contributions of excitatory and inhibitory neurons in visual form processing. The ... 36317
Reposted by Jennifer Bussell PhDCatherine Dulac @dulaclab.bsky.social · 26/08/2026Finally out: a very cool study by @jenbussell.bsky.social from the Axel lab--summarized here by @thetransmitter.bsky.social-- on the urge to know in mice, even without any immediate benefit for the animal 34612
Reposted by Jennifer Bussell PhDDayu Lin @moccalin.bsky.social · 26/08/2026Happy to share our new study comparing aggression level across 7 strains of mice, led by a talented undergraduate student, Xiuzhi Dai. Strain differences in aggression can be explained a lot by differences in the physiological properties of VMHvl cells. www.nature.com/articles/s41...nature.comHypothalamic representation of aggressiveness across mouse strains - Nature CommunicationsGenetics profoundly influences aggression by shaping neural circuits, but the underlying mechanisms remain unclear. Here, authors show that strain differences in male mouse aggression are linked to di... 1229
Reposted by Jennifer Bussell PhDChris Person @papapishu.bsky.social · 22/08/2026Riley did a very good blog about this as a Library Science nerd that’s worth reading aftermath.site/google-searc... 71027205
Reposted by Jennifer Bussell PhDDr Abeba Birhane @abeba.blacksky.app · 19/08/2026i don’t want “accelerated”, “increased-speed” or “fast-paced” research. in fact, am not interested in any shortcuts to mindful, intentional, and slow science 12838187
Reposted by Jennifer Bussell PhDCamillo Padoa-Schioppa @camillopadoasch.bsky.social · 25/08/2026New ms! During choice behavior, OFC neurons encode decision input and output, suggesting the presence of a neural decision circuit within this area. Computational models support the hypothesis, but little is known about actual – or at least functional – connectivity in OFC.biorxiv.org 1166
Reposted by Jennifer Bussell PhDKarolina Heyduk @kheyduk.bsky.social · 24/08/2026New NSF BIO solicitation says expected number of awards is 250-300. Historically, the number of awards is closer to 800-1000 for the Directorate of Bio Sciences: grantwitness.org/nsf/analyses... Unless I'm missing large, non-core programs, this seems really not good?grantwitness.orgAgency Pulse: Grantmaking at NSFAn independent, up-to-date, grant-level record of federal science funding disruptions in the United States. 88867
Reposted by Jennifer Bussell PhDAdmirable Women @admirablewomen.bsky.social · 24/08/2026Microbiologist Elizabeth Hazen (b. #OTD 1885) & chemist Rachel Brown were granted a patent for Nystatin, an anti-fungal med in 1957. In 2016, it was the 217th most prescribed medication in the US w/ >2MM prescriptions. They gave all $13.4MM in royalties to a fund that heavily supported #WomenInSTEM 201653454
Reposted by Jennifer Bussell PhDTaylor Chamberlain @tchamberlain.bsky.social · 19/08/2026Sometimes we know an experience is important in the moment. Other times, its importance only becomes clear after the fact. Do these two cases have different consequences for memory? In our new paper we found that both kinds of prioritization impact memory in different ways! doi.org/10.1162/OPMI...doi.orgPrioritizing Detailed Item Memories Through Post-Encoding Motivation Requires ConsolidationAbstract. Prioritizing memories that are motivationally salient is adaptive for goal-directed behavior, ensuring that information being retained is the most relevant to future goals. Past research dem... 05114
Reposted by Jennifer Bussell PhDTatiana Engel @engeltatiana.bsky.social · 19/08/2026Difficult decisions take time, but can we keep all accumulated evidence in mind long enough to make better choices? We find that working-memory limitations constrain decision-making, and these effects are modulated by dopamine. biorxiv.org/content/10.6... bioRxiv out with Cina Aghamohammadi et al.biorxiv.orgWorking memory limitations and dopamine modulation in probabilistic reasoningDifficult decisions require gathering evidence over extended periods, placing demands on working memory. Yet, how working memory limitations affect decision-making remains largely unknown. We trained ... 27420
Reposted by Jennifer Bussell PhDHerbert Wu @herbertwu.bsky.social · 20/08/2026These findings reveal how leader–follower dynamics are instantiated as asymmetric prefrontal representations, linking role-based decision-making to egocentric partner encoding at the cellular resolution. (2/3) 232
Reposted by Jennifer Bussell PhDHerbert Wu @herbertwu.bsky.social · 20/08/2026First study out! Using a new cooperative paradigm and multi-agent inverse RL, we show that mice spontaneously adopt leader/follower roles, and the prefrontal cortex encodes these role dynamics and an egocentric social value map of the partner’s position. (1/3) www.nature.com/articles/s41...nature.comAsymmetric prefrontal representations for leader–follower dynamics - NatureMice spontaneously form leader and follower roles during cooperation, and the medial prefrontal cortex encodes these role dynamics and an egocentric social value map of the partner’s position. 48124
Reposted by Jennifer Bussell PhDIda Momennejad @neuroai.bsky.social · 19/08/2026📣Algorithmic Grammar of Flexible Cognition: A Walk through Latent Operations osf.io/preprints/ps... Flexible behavior moves adaptively btwn cognitive modes. But units of analysis remain representations & few operations. Proposal: formalize open-ended cognition as walk over latent operations 1/n 18121
Reposted by Jennifer Bussell PhDGretchen McCulloch @gretchenmcculloch.com · 20/08/2026they've done the bouba/kiki test on chocolate shapes now, i love linguisticsmedium.comResearch Investigating the Relationship between Shape and Taste of Chocolate Pieces Printed by a 3D…This is Shigeo YOSHIDA, a Senior Researcher at OMRON SINIC X (OSX). 220245
Reposted by Jennifer Bussell PhDSam Gershman @gershbrain.bsky.social · 18/08/2026@arthurpr4t.bsky.social has a new preprint with important results on a famous psychophysical law (Weber's law). It isn't, in fact, a law, because it can be broken. A more fundamental principle (efficient coding) shows when and why Weber's law holds true. www.biorxiv.org/content/10.6...biorxiv.orgEfficient coding makes and breaks Weber's lawWeber's law is a rare quantitative regularity in psychology, yet its origins remain debated. Here we provide causal evidence that it arises from the more fundamental principle of efficient coding. Thi... 413041
Reposted by Jennifer Bussell PhDCian O'Donnell @cianodonnell.bsky.social · 13/08/2026I gave a talk in our ISRC CN3 summer school yesterday on computational modelling of learning and memory, at the end I threw in a list of what I consider the big open questions in the the theory of learning in neural circuits. What did I miss?? 5629
Reposted by Jennifer Bussell PhDLaura Driscoll @lndriscoll.bsky.social · 08/08/2026Confused about all this talk of compositionality in neuroscience? Read our new perspective www.nature.com/articles/s41... with authors Reidar Riveland and Alex Pouget.nature.comThe compositionality continuum as a principle for studying the neural basis of intelligence - Nature NeuroscienceCompositionality exists on a continuum of increasing complexity rather than as a binary trait. Studying its implementation in simpler biological and artificial systems is the most tractable path towar... 212043
Reposted by Jennifer Bussell PhDCharley Wu @thecharleywu.bsky.social · 05/08/2026🚨Now out in Science Advances @science.org: #Parkinson's patients off dopamine medication (PD-) explore too much and exploit too little. Modeling shows they overvalue uncertainty, not that they choose randomly. On levodopa (PD+) they become comparable to controls www.science.org/doi/10.1126/... 🧵👇science.orgDopamine depletion in Parkinson’s increases directed but not random explorationLevodopa restores the balance between exploration and exploitation in Parkinson’s disease. 18018
Reposted by Jennifer Bussell PhDTimothy O'Leary @timothyoleary.bsky.social · 07/08/2026This is very solid work. It prompts a question I have never had a satisfying answer for: why do people want to infer spikes from calcium imaging data? The calcium signal contains sufficient information for *any* inference procedure, and none of the bias. Why don't people work directly with calcium? 4203
Reposted by Jennifer Bussell PhDLorenzo Posani @lorenzoposani.com · 06/08/2026For a neural circuit to be "specialized", does it need specialized neurons? In our new work - now out in @NatureNeuro - we address this question in the BLA, using representational geometry to propose a new population-centric way of defining circuit specialization. 🧵👇 1/ 39229
Reposted by Jennifer Bussell PhDColumbia University's Zuckerman Institute @zuckermanbrain.bsky.social · 30/07/2026Where does curiosity come from? Neuroscientist @jenbussell.bsky.social wants to know. She found that mice, like us, seek information with no external benefit. Her new Nature Neuroscience research links this desire for knowledge to cells in the brain's orbitofrontal cortex. See tinyurl.com/3xjt8e5c 0185
Jennifer Bussell PhD @jenbussell.bsky.social · 30/07/2026How does the brain represent the value of knowledge? In our paper--out now at Nature Neuroscience--we identify a representation of intrinsic information value within neural population structures in the orbitofrontal cortex in mice. www.nature.com/articles/s41593-026-02377-y #neuroskyence 🧠🧪 (1/8)nature.comRepresentations of the intrinsic value of information in mouse orbitofrontal cortex - Nature NeuroscienceMice are motivated to seek information of no extrinsic value. Recording neural activity in orbitofrontal cortex reveals a representation of the value of information that is distinct from the value of ... 918065
Reposted by Jennifer Bussell PhDMicah G. Allen @micahgallen.com · 29/07/2026After a long break, I’m back to long-form blogging! The first population atlas of the human vagus gives us an extraordinary wiring map. But what do the wires actually do? I connect it to new mouse psychophysics, organ-targeted ultrasound and our human findings. www.the-ecg.org/2026/07/29/v...the-ecg.orgThe vagus has a map. Interoception still needs a model.The first population-level atlas of the human vagus nerve has arrived. But a map of the wiring does not tell you what the wires are saying -- on va... 55515
Reposted by Jennifer Bussell PhDReza Shadmehr @rezashadmehr.bsky.social · 28/07/2026If an action results in error, each neuron requires an individualized teaching signal that guides change in its output. This is the credit assignment problem of learning. Are there neurons in the brain that can compute such a sophisticated teaching signal? Yes. www.biorxiv.org/content/10.6...biorxiv.orgClimbing fibers encode the gradient of a loss function for the cerebellumNeurons in the brain are often many synapses away from motoneurons, yet if a movement results in error, each distant neuron needs a teacher that considers its specific contribution to production of th... 218170
Reposted by Jennifer Bussell PhDBertoglio lab (FMC/UFSC) @bertogliolab.bsky.social · 24/07/2026Cellular mechanisms of serotonergic psychedelics - apical hypercontextualisation www.sciencedirect.com/science/arti...sciencedirect.comCellular mechanisms of serotonergic psychedelics - apical hypercontextualisationClassical serotonergic psychedelics primarily exert their profound effects through agonism at the serotonin 2A (5-HT2A) receptor, which is abundantly … 012
Reposted by Jennifer Bussell PhDTressie McMillan Cottom @tressiemcphd.bsky.social · 23/07/2026It was a big deal for my identity when I finally developed the confidence to write in a book. It felt like a taboo, a special privilege for Real, Serious Thinkers. Every time I do it now it’s a tiny reminder that I can engage with any thinker, anywhere, across time and space. 640730
Reposted by Jennifer Bussell PhDEarl K. Miller @earlkmiller.bsky.social · 21/07/2026“We humans tend to overestimate how special we are” www.nytimes.com/2026/07/21/s...nytimes.comMonkeys Understand Shapes in Almost the Same Way as Humans (Gift Article)Our geometric intuition, long considered something that sets us apart, seems to be shared with other primates. 15413
Reposted by Jennifer Bussell PhDSam Gershman @gershbrain.bsky.social · 19/07/2026This is a really interesting and important study: www.nature.com/articles/s41... However, isn't it concerning that sweeping conclusions about functional organization of cortex are being reached on the basis of a single task?nature.comRarely categorical, highly separable representations along the cortical hierarchy - NatureCortical circuits prioritize diversity over categorical structure, supporting a computational regime geared towards high-dimensional, highly separable neural representations. 514024
Reposted by Jennifer Bussell PhDCognition @cognitionjournal.bsky.social · 08/07/2026How do people build new ideas from existing knowledge? By tracking Wikipedia searches, we found that novel ideas emerged when people balanced exploration with exploitation—alternating between distant topics and deep dives into related information. 14915
Reposted by Jennifer Bussell PhDbioRxiv Neuroscience @biorxiv-neursci.bsky.social · 09/07/2026Stars2Cells: Astrometric Tracking of Neurons Across Imaging Sessions www.biorxiv.org/content/10.64898/20… 051
Reposted by Jennifer Bussell PhDGayathri Ramesan @gayathri-ramesan.bsky.social · 06/07/2026Is organization close to saddle-node bifurcations a generic principle underlying neural computations? 🧠 To know more, give a read to our recent effort in this regard👀 1199
Reposted by Jennifer Bussell PhDJo Cutler @drjocutler.bsky.social · 05/07/2026🌟 Research Assistant opportunity 🌟 I'm looking for an RA to support research at The Centre for Human Brain Health (CHBH) on social information seeking and decision making, including fMRI and MEG 🧠 tinyurl.com/uob-chbh-ra Deadline: 19th July, 23:59 UK time ⏳ Start: 7th September 🗓️ Please share 🔁tinyurl.comResearch Associate - School of Psychology - 104433 - Grade 6We welcome applications for a Research Associate / Lab Manager in the Centre for Human Brain Health (CHBH). The CHBH is a friendly, productive, and supportive environment where all colleagues can thri... 2914
Reposted by Jennifer Bussell PhDAlon Baram @alonbaram.bsky.social · 29/06/2026How 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... 211640
Reposted by Jennifer Bussell PhDEarl K. Miller @earlkmiller.bsky.social · 26/06/2026Dimensionality reduction is how the brain acquires knowledge. Cool new paper from the late, great, Mark Stokes. www.nature.com/articles/s41... #neurosciencenature.comLearning shapes neural geometry in the primate prefrontal cortex - Nature NeuroscienceLearning transforms prefrontal cortex activity from flexible, high-dimensional representations into compact, task-relevant and abstract codes, enabling efficient generalization of learned rules to new... 413640
Reposted by Jennifer Bussell PhDShervin Safavi @neuroprinciplist.bsky.social · 09/06/20261/11 Happy to share our TICS paper on using the flexibility of one of the most basic cognitive functions, perception, to understand one of the most complex cognitive dysfunctions, psychiatric conditions (also my first formal work in computational psychiatry 🎉) 📄: www.cell.com/trends/cogni... 🧵 : 👇cell.comPerceptual multistability: a multifaceted window into brain dysfunctionsPerceptual multistability, observed across species and sensory modalities, offers valuable insights into numerous cognitive functions and dysfunctions. For instance, differences in temporal dynamics a... 320966