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Jonathan Tsay

@tsay.bsky.social
1.5K followers 2.5K following 89 posts

Assistant Professor of Psychology at Carnegie Mellon University | Studying how we acquire, adapt, and retain skilled movements | Physical Intelligence Lab: www.tsaylab.com

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Reposted by Jonathan Tsay
Nico @nico-encounter.bsky.social · 12h
Quite interesting study which shows you can reconstruct the semantics of experiences while totally bypassing what's known as the "language centers" of the brain using an LLM trained on brain scans. www.science.org/doi/10.1126/...
science.org
Mind captioning: Evolving descriptive text of mental content from human brain activity
Nonverbal thoughts can be translated into verbal descriptions by aligning semantic representations between text and the brain.
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Tim Verstynen @tdverstynen.bsky.social · 15h
Looking for a postdoc in comp neuro and human brain imaging? Interested in foraging? Join our international collaboration with Jon Rubin, @jyotikab.bsky.social, & @davidrobbe.bsky.social be.bsky.social to study the neural basis of foraging behavior! cmu.wd115.myworkdayjobs.com/CMU/job/Pitt...
cmu.wd115.myworkdayjobs.com
Postdoctoral Research Associate – Cognitive Axon Lab – Dietrich College
The Cognitive Axon Lab, in the Department of Psychology and Carnegie Mellon Neuroscience Institute, seeks applications for a multi-year Postdoctoral Research Associate at Carnegie Mellon University. T...
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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 👀
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Amitai Shenhav @ashenhav.bsky.social · 28/09/2026
2 yrs ago, I briefly laid out a new theory of how motivation works (AGH). Here, I expand on the problems AGH was trying to solve, why they are hard to solve, what my solution looks like, and how this should change our understanding of thoughts & actions. osf.io/preprints/ps... 🧵A few highlights:
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Anna Corriveau @annacorriveau.bsky.social · 28/09/2026
New preprint! Are attentional lapses the result of disengagement or simply response failure? Using EEG, we tested how attention fluctuations impact visual representations in the brain. (1/5) www.biorxiv.org/content/10.6...
biorxiv.org
Degraded neural representations foreshadow failures of sustained attention
Attention prioritizes relevant information from the environment, but does not do so consistently over time. Instead, we sometimes experience poor attentional states which are characterized by a higher...
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
New paper 🍼📄 ManyBabies 3 is out (open access, registered report in Developmental Science). 30 labs, 33 languages, 839 infants set out to replicate a textbook finding: 7-month-olds learn abstract rules from speech (@garymarcus.bsky.social et al., 1999). We didn’t find it. 🧵
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Jörn Diedrichsen @diedrichsenjorn.bsky.social · 25/09/2026
New preprint from the lab. A long-overdue fMRI study on bimanual movement direction encoding: www.biorxiv.org/content/10.6... @alighavampour.bsky.social, @andpru.bsky.social, @jjodx.eurosky.social
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Sam Gershman @gershbrain.bsky.social · 24/09/2026
I'm excited about this work that an amazing undergrad, @ariazhang.bsky.social, did with me and @tomerullman.bsky.social: www.biorxiv.org/content/10.6... Aria showed how a neural net can discover abstractions for intuitive physics and use its own reliability estimates to decide when to deploy them.
biorxiv.org
Reliability-guided meta-control in intuitive physics
Intuitive physical reasoning is an important part of daily life, but the computations underlying it remain debated. Some prominent accounts propose intuitive physics relies on mental simulation, with ...
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Jack Gallant @gallantlab.org · 24/09/2026
Dr. Tianjiao Zhang's landmark study of naturalistic navigation has been accepted in Nature Neuroscience! Encoding models fit 28,134 features to fMRI from a virtual taxi-driving task, revealing 11 distinct cortical regions that transform perception into action. Read the preprint. gallantlab.org
Dr. Tianjiao Zhang's landmark study of naturalistic navigation has been accepted in Nature Neuroscience!
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Nick Jourjine @nickjourjine.bsky.social · 20/09/2026
New preprint! TLDR: We mapped the genetic architecture of neonatal vocalization in deer mice, and found candidate genes expressed in the cerebellum that could be contributing to the evolution of temporal structure in infant cries #Bioacoustics #neuroskyence www.biorxiv.org/content/10.6...
biorxiv.org
The Genetic Architecture of Neonatal Deer Mouse Cries Implicates the Cerebellum in the Temporal Control of an Infant Social Behavior
Vocal communication is a conserved vertebrate social behavior that begins at birth with the cries of infants. These neonatal vocal signals vary across contexts to elicit parental care that matches inf...
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Ethan Solomon @esolomon.bsky.social · 18/09/2026
Excited to share a new discovery from @stanfordpntlab.bsky.social about the effects of neurostimulation on brain activity. www.medrxiv.org/content/10.6... With our colleagues at the University of Iowa, we explored how intermittent theta burst stimulation (iTBS) changes neural excitability. A 🧵
medrxiv.org
iTBS induces a suppression-rebound pattern in human cortical excitability
Intermittent theta burst stimulation (iTBS) is a widely used form of brain stimulation, developed on the premise that it promotes long-term potentiation (LTP) and neural excitation. However, this is n...
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Dani Gresch @danielagresch.bsky.social · 17/09/2026
📣 Check out our latest preprint with @kianobre.bsky.social, spearheaded by the incredible @dxywei.bsky.social! Across four experiments, we compare the behavioural and neural signatures of selecting real-world objects in perception and working memory. www.biorxiv.org/content/10.6...
biorxiv.org
Searching across working memory and perception
Searching for objects of interest is an essential and pervasive activity in adaptive cognition. In everyday situations, we often search for relevant content in our surroundings and in mind at the same...
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JJ @jjodx.eurosky.social · 18/09/2026
In one week, Anouck Matthijs will defend her PhD on "the cerebellum as a key neural substrate for motor reserve during healthy aging" All welcome to attend (online)
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Mariam Aly @mariamaly.bsky.social · 15/09/2026
How do keep a narrative active in our mind despite interruptions? The default mode network can maintain a representation of an interrupted story over a delay, even when the delay is filled with a demanding task. This representation is strikingly transformed from the initial experience!
biorxiv.org
Cortical and Hippocampal Pathways to Mental Continuity
How do people preserve mental continuity when tasks are interrupted? One established pathway runs through the hippocampus, which stores snapshots of our mental context for later reinstatement. We prop...
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John Pearson @jmxpearson.bsky.social · 16/09/2026
Link: www.nature.com/naturecareer...
nature.com
Tenure-Track Faculty Position in Computational or Theoretical Neuroscience - Durham, North Carolina job with Duke University Neurobiology Dept | 12864649
Seeking a tenure-track Assistant Professor in Computational/Theoretical Neuroscience to advance brain science through innovation and collaboration.
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Mark Wagner @mark-j-wagner.bsky.social · 16/09/2026
Granule cells predict future dopamine reward. Delayed climbing-fiber signals can reinforce the action that precedes it. Our paper, led by Benjamin Filio, is out today in Nature Neuroscience. www.nature.com/articles/s41... Public PDF: rdcu.be/RscCNeXvkXAa
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Sami Yousif @samiyousif.bsky.social · 15/09/2026
My lab has been really interested in topological perception the past two years. In a new paper, we ask: How does a topological perspective (re-)shape our understanding of visual complexity? Work led by one of our many wonderful undergraduate students, Ashna Shah! link.springer.com/article/10.3...
link.springer.com
Topological structure and the creation of visual complexity - Psychonomic Bulletin & Review
What does it mean for something to be complex? Fundamentally, complexity is a cue that something is less easily represented by our minds. With this fact in view, complexity becomes a tool: By understa...
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Guillaume Lajoie @glajoie.bsky.social · 15/09/2026
In 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.com
Assistive algorithms influence neural representations in motor brain-computer interfaces - Nature Communications
Assistive 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 ...
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Sam McDougle @actlab.bsky.social · 14/09/2026
New preprint! In this study, the fantastic Apoorva Sharma demonstrates that the amount of time that passes during motor preparation can "tag" for retrieval otherwise competing motor memories. Modeling work links these fx to putative temporal basis sets in the cerebellar cortex. Feedback welcome!
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Clara Gallay @clara-gallay.bsky.social · 30/06/2026
🧵 1/3 I'm excited to share my first first-author paper, just out last week in Neurology! We looked at how parity interacts with Alzheimer's pathology in cognitively healthy postmenopausal women from the ALFA+ cohort in two visits spaced by 3 years. www.neurology.org/doi/10.1212/...
neurology.org
Effect of Parity and β-Amyloid on Cognition and Hippocampal Volume in Postmenopausal Women | Neurology
Background and ObjectivesEpidemiologic studies exploring the effect of parity on Alzheimer disease (AD) yield mixed results, and little is known about how parity may modify the impact of AD pathology ...
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Jefferson Moss Rehabilitation Research Institute @mossresearch.bsky.social · 14/09/2026
ICYMI: Last week, we were thrilled to host Dr. Rich Ivry for our Whyte-Schwartz Annual Lecture, honoring our Institute's founders. Dr. Ivry's presentation, "Probing the Role of the Cerebellum in Sensorimotor Learning and Cognition," is now available on our YouTube Channel: ow.ly/Ve7c50ZMFZm
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Reposted by Jonathan Tsay
Tim Verstynen @tdverstynen.bsky.social · 14/09/2026
This study by my colleague @tsay.bsky.social has deep implications for how we think about motor learning and whether it’s truly “motor” at all.
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Jonathan Tsay @tsay.bsky.social · 14/09/2026
New 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.org
Understanding Strategic Motor Learning as a Process of Hypothesis Testing
Multiple learning processes contribute to successful goal-directed actions under changing physiological states, biomechanical constraints, and environmental contexts. Among these, explicit strategies ...
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Connected Minds @connectedminds.bsky.social · 13/09/2026
Learning leaves traces you can't see. Dr. @jonathanamichaels.bsky.socials' motor learning study reveals "savings" faster relearning on second exposure emerges from neural dimensionality, not conscious strategy. RNNs trained like human brains show the same pattern.
elifesciences.org
A context-free model of savings in motor learning
Recurrent neural network models trained on a novel motor skill exhibit a persistent shift in preparatory activity that enables faster relearning, without cognitive or contextual cues.
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Salman Qasim @qasimetal.bsky.social · 13/09/2026
Another preprint! This one from my postdoc with @ignaciosaezphd.bsky.social and @xiaosigu.bsky.social. Here we asked how the reward outcomes driving trial-by-error learning leave a lasting imprint on memory strength in the human brain. We used iEEG/computational models of cognition to find:
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Omer Sharon @omersharon.bsky.social · 12/09/2026
Another postdoc piece out today in @natneuro.nature.com! 🧠💤 In unimpaired older adults, frontal tau pathology tracked with lonely NREM slow waves that fail to travel — and these waves predicted worse overnight memory. full-text: rdcu.be/jDcgH2sK8VZa @ucberkeleyofficial.bsky.social 🧵👇
nature.com
Human tau pathology is associated with lonely, nontraveling slow waves linked to memory impairment - Nature Neuroscience
Frontal cortical tau pathology in aging humans is associated with reduced slow-wave travel during sleep. This reduced propagation is associated with poorer overnight memory retention, supporting a lin...
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Aran Nayebi @anayebi.bsky.social · 11/09/2026
CMU is hiring an Assistant Professor in NeuroAI! Come join our awesome NeuroAI community 🧠🤖: apply.interfolio.com/189268
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Omer Sharon @omersharon.bsky.social · 21/07/2026
I'm excited to share that I'll be starting my independent lab at the Technion - Israel Institute of Technology! 🎉 The lab will be based in the Department of Neuroscience at the Faculty of Medicine, and affiliated with the new Technion Healthy Aging Institute (iTechAge).
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mahwishkittur.bsky.social @mahwishkittur.bsky.social · 10/09/2026
After 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.org
Topological structure in human spatial representation revealed through drawing
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Dr. Allison G. Harvey @allisonharvey.bsky.social · 10/09/2026
Reviewing applications for the Clinical Psych PhD at UC Berkeley this fall! We develop and test transdiagnostic treatments (soon including sleep-interfering media use) and study how to get them into real-world care. #ClinicalPsychology #PhD #SleepResearch #UCBerkeley
lnkd.in
LinkedIn
This link will take you to a page that’s not on LinkedIn
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Dr. Sarah Gaither @sarahegaither.bsky.social · 10/09/2026
📣 I’m considering PhD students for Fall 2027! We study how our identities shape the way we see ourselves, how others see us, and how we interact across group boundaries. Our work spans race, gender, multiracial experiences, and intergroup contact with kids and adults. sites.duke.edu/dukeidlab/
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ASNR @asnrehab.bsky.social · 10/09/2026
Authors compared explicit motor adaptation in people w/ & w/o low vision.Those w/ low vision were just as effective at discovering new explicit sensorimotor strategies & recalling previously learned strategies, suggesting potential value for rehab. pubmed.ncbi.nlm.nih.gov/42106927/ @tsay.bsky.social
This article shows details about the paper linked in the post. It was published in the journal Neurorehabilitation and Neural Repair. The title of the paper is, "Minimal Impact of Low Vision on Explicit Sensorimotor Adaptation."
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Arthur Prat @arthurpr4t.bsky.social · 09/09/2026
We derived six laws of psychophysics from a single efficient-coding equation. The laws include Weber's law; scaling laws in visual working memory (which had been noted before, but with unclear theoretical justification); Wei & Stocker's law of human perception; arthurprat.com/pdfs/Prat-Ca...
arthurprat.com
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Lindsey Powell @lindseypowell.bsky.social · 09/09/2026
UCSD Psychology is hiring!! We’re seeking a new assistant professor colleague who studies high-level human cognition, broadly construed. Please share and/or apply! apol-recruit.ucsd.edu/JPF04646
apol-recruit.ucsd.edu
Assistant Professor in High-level Human Cognition
University of California, San Diego is hiring. Apply now!
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Dr Anna Leshinskaya @annaleshinskaya.bsky.social · 09/09/2026
Thrilled to announce that my department, UCI cognitive sciences, is hiring a tenure-track assistant professor in the area of computational social cognition. Further information including the application can be found at: recruit.ap.uci.edu/JPF10411
recruit.ap.uci.edu
Assistant Professor - Cognitive Sciences
University of California, Irvine is hiring. Apply now!
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joshcashaback.bsky.social @joshcashaback.bsky.social · 08/09/2026
Check out our latest paper, where we developed a novel theory where desirability and cognitive effort tune the control gains that govern deliberation during perceptual decsion-making. Outstanding work by the superb, Jan Calalo. journals.physiology.org/doi/epdf/10....
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Shannon Burns, PhD @shannon47burns.bsky.social · 08/09/2026
Are you studying human neuroscience broadly defined, and enjoy working with bright and motivated students? If so we'd love to see your application for this TT position at Pomona College! Review of applications begins on Oct 1.
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JJ @jjodx.eurosky.social · 07/09/2026
Tracking the hidden dynamics of proprioception www.biorxiv.org/content/10.6... #sensorimotor I ❤️the approach but could this be used in other populations where movements are quite different? Across populations, many parameters will vary and difficult to assign difference to one specific aspect.
biorxiv.org
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Ashley Juavinett, PhD @ashleyjuavinett.bsky.social · 06/09/2026
If there are any PhD hopefuls on here, I wanted to share a few thoughts on your timeline for the upcoming admissions cycle, with apps due starting mid-November. What should you be doing right now? ✔️ Generating a list of schools ✔️ Reaching out to possible recommenders 🧵!
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Constantin Rothkopf @c-rothkopf.bsky.social · 03/09/2026
Pouring a cup of coffee looks trivial. It isn’t. Humans effortlessly control nonlinear liquid dynamics across different vessels and speeds—while robots still struggle. In our new preprint, we ask how the human motor system solves this everyday control problem. 1/5
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Dominika Radziun @nikaradziun.bsky.social · 04/09/2026
Excited to see our preprint discussed in a TiCS article on body weight and embodiment. After 20 min training, a finger-extending exoskeleton felt lighter, while the hand did not, suggesting sensorimotor integration changes experienced device weight. Preprint link: doi.org/10.64898/202....
biorxiv.org
Sensorimotor training lightens the perceived weight of body augmentation devices
Wearable haptic and robotic devices must transmit useful forces and tactile information without remaining perceptually intrusive. Here we show that perceived weight provides a behavioral marker of thi...
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Mariam Aly @mariamaly.bsky.social · 04/09/2026
How do we prevent memories from competing to guide attention? More distinct hippocampal representations for competing memories are linked to precise preparatory coding in visual cortex & more accurate eye movements to target locations. Thrilled to share this work by the incomparable Serra Favila!
nature.com
Hippocampal mechanisms underlying the resolution of competition in memory and perception - Nature Communications
Memory and perception both require selecting behaviorally relevant information. Here, the authors show that more distinct hippocampal memories are linked to precise anticipatory signals in visual cort...
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Jim Heys @jim-heys.bsky.social · 03/09/2026
I’m very excited to share our new paper, led by the very talented Jack Bowler, a postdoc in the lab! www.nature.com/articles/s41... We all know that the way we learn something matters. But how does a training curriculum actually shape how the brain learns to solve a problem? a 🧵 1/N
nature.com
Structured experience shapes strategy learning and neural dynamics in the medial entorhinal cortex - Nature Neuroscience
The authors use recurrent neural networks to predict how structured prior experience shapes neural dynamics as mice learn flexible timing strategies during complex context-dependent behavior.
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annecollins.bsky.social @annecollins.bsky.social · 02/09/2026
Check out our new Trends In Cognitive Science paper on mechanisms of cognitive flexibility - a broad collaborative piece with Florian Bähner, Ali Hummos, Sarah Oh, Kai Sandbrink, and Andreas Meyer-Lindenberg www.sciencedirect.com/science/arti...
sciencedirect.com
Neurocomputational mechanisms underlying cognitive flexibility: a translational perspective
Cognitive flexibility allows us to adjust behavior when environmental rules change and to recombine prior knowledge in novel situations. However, the …
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Darcy Waller @darcywaller.bsky.social · 02/09/2026
I’m so happy to share that I’ll be starting as an Assistant Professor of Psychology at the University of Wisconsin-Madison in Fall 2027! I'm incredibly excited to head back to the Midwest, get to work with an incredible group of colleagues, and live in beautiful Madison, WI. 🦡🎊
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Erin Rich @erinlrich.bsky.social · 02/09/2026
Hey, we’ve been studying mnemonic chunking in🐒! With @fkchiang89.bsky.social Here’s the rundown: 🧵 www.cell.com/current-biol...
cell.com
Compression as a neural mechanism of mnemonic chunking in prefrontal cortex
Chiang and Rich show that macaques spontaneously chunk spatial targets in a self-ordered working memory task. dlPFC neurons compress chunked targets into lower-dimensional representations that are shi...
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Russ Poldrack @russpoldrack.org · 03/09/2026
We are searching for a tenure-track Assistant Professor position, with a research focus on developmental and/or social psychology. Please apply or forward to anyone who might be interested! facultypositions.stanford.edu/jobs/assista...
facultypositions.stanford.edu
Assistant Professor, Psychology - Stanford University, California, United States
The Department of Psychology at Stanford University is seeking applicants for a tenure-track Assistant Professor position, with a research focus on developmental and/or social psychology. In addition ...
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Brady Roberts @bradyrtroberts.bsky.social · 02/09/2026
After 3 years working with the great Wilma Bainbridge at UChicago, I’m thrilled to be heading home to Canada for a new chapter at the Rotman School of Management in Toronto! I’ll be bringing memorability into marketing, showing how brands can optimize their assets for cognition.
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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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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
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