Reposted by Gouki OkazawaCheng 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 Gouki OkazawaHarrison 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
Gouki Okazawa @handle.invalid · 03/07/2026New reviewed preprint from @elife.bsky.social! Led by Han Zhang, we tested monkeys on 10+ object concept classification tasks and compared their behavior to humans and deep networks. Monkeys learned diverse categorization rules fast... elifesciences.org/reviewed-pre...elifesciences.orgA battery of image classification challenges reveals shared and distinct object categorization behavior across monkeys, humans, and deep networks 181
Reposted by Gouki OkazawaCheng Xue @cxue.bsky.social · 01/06/2026Excited to share our new review in Trends in Neuroscience with Gouki Okazawa @gouki-okazawa.bsky.social : "The 'neat' and 'messy' in task-dependent neural geometry and computation" where we reviewed what we know about the 'task-manager' in the brain. A thread 👇 13212
Gouki Okazawa @handle.invalid · 31/05/2026New review with Cheng Xue at U Chicago @cxue.bsky.social in Trends Neurosci@cp-trendsneuro.bsky.social! We discuss the neural geometry of task-dependent computation: disentangled encoding, RNN modeling, switch cost, etc. www.cell.com/trends/neuro...cell.comThe ‘neat’ and ‘messy’ in task-dependent neural geometry and computationTo solve diverse real-world tasks, the brain must flexibly switch between task rules and adjust computations. Recent advances in analyzing neural data and modeling neural networks have revealed their ... 06318
Reposted by Gouki OkazawaTrends in Neurosciences @cp-trendsneuro.bsky.social · 29/05/2026The ‘neat’ and ‘messy’ in task-dependent neural geometry and computation by Cheng Xue @cxue.bsky.social & Gouki Okazawa @gouki-okazawa.bsky.social www.cell.com/trends/neuro... 0258
Gouki Okazawa @handle.invalid · 24/05/2026Made an AI-curated primate ephys literature database covering ~10000 papers with recording brain regions and target functions. Maybe useful for something. okazawagouki.github.io/NHPLit/repor... 0112
Reposted by Gouki OkazawaJoao Barbosa @jbarbosa.org · 01/03/2026From the top of my head, here some recent ones: "Two views on the cognitive brain" by @johnwkrakauer.bsky.social, @dlbarack.bsky.social "Reconstructing computational system dynamics from neural data with recurrent neural networks" by @durstewitzlab.bsky.social et al 1/3 1327
Reposted by Gouki OkazawaDennis London @dennislondon.bsky.social · 12/02/2026The basal ganglia output is often framed as a motor gate: corticostriatal circuits select an action, then GPi/SNr-thalamus helps release it. In humans, we find this same pathway carries cognitive variables embedded in movement signals—and even produces learning-relevant signals after feedback. 1/10biorxiv.org 14417
Reposted by Gouki OkazawaHarrison Ritz @hritz.bsky.social · 03/02/2026Final paper of my PhD 🤗 www.nature.com/articles/s44... There is growing interest in how cognitive control may improve value-based decision making. However, we find that a recent paper overestimated the role of control in their task, leading to erroneous interpretations of dACC recordings.nature.comMisspecified models create the appearance of adaptive control during value-based choice - Communications PsychologyIn a new computational analysis of previous work, this study shows that a control-free mechanism better accounts for value-based decisions than an account that assumes top-down control invigorating th... 610324
Gouki Okazawa @handle.invalid · 04/02/2026A mesoscale optogenetics system for precise and robust stimulation of the primate cortex www.cell.com/neuron/abstr...cell.comA mesoscale optogenetics system for precise and robust stimulation of the primate cortexLi et al. present a microLED-based mesoscale optogenetic system for centimeter-scale, million-pixel primate cortical stimulation. Optogenetically evoked saccades with accurate retinotopic organization... 021
Gouki Okazawa @handle.invalid · 18/12/2025Task-similarity dependent reconfiguration of compositional modules and geometry in frontal cortex www.biorxiv.org/content/10.1...biorxiv.orgTask-similarity dependent reconfiguration of compositional modules and geometry in frontal cortexTask rules critically shape how neural populations encode information and generalize across cognitive demands, yet the mechanisms linking rule structure, neural dynamics, and behavior remain poorly un... 080
Gouki Okazawa @handle.invalid · 07/12/2025Population-level temporal decoding and dynamical structure in frontostriatal circuits during decision making www.biorxiv.org/content/10.1...biorxiv.orgPopulation-level temporal decoding and dynamical structure in frontostriatal circuits during decision makingPerceptual decisions unfold over time, requiring neural circuits to evaluate sensory evidence, track elapsed time, and commit to an action. To investigate how these computations are distributed across... 0101
Reposted by Gouki OkazawaNicole Rust @nicolecrust.bsky.social · 11/05/202530 days to the launch of Elusive Cures! I learned so much writing it, and I want to share it. For the next 30 days, I'll post brain & mind research breakthroughs on odd days, and highlight unmet needs on even ones. #ElusiveCures30 First breakthrough: /1 press.princeton.edu/books/hardco...press.princeton.eduElusive CuresA neuroscientist’s bold proposal for tackling one of the greatest challenges of our time—brain and mental illnesses 27522
Gouki Okazawa @handle.invalid · 11/05/2025Sharpened visual memory representations are reflected in inferotemporal cortex www.biorxiv.org/content/10.1...biorxiv.orgSharpened visual memory representations are reflected in inferotemporal cortexHumans and other primates can robustly report whether they’ve seen specific images before, even when those images are extremely similar to ones they’ve previously seen. Multiple lines of evidence sugg... 061
Gouki Okazawa @handle.invalid · 11/05/2025Deep bidirectional interplay between sensory integration and latent rule discovery www.biorxiv.org/content/10.1...biorxiv.orgDeep bidirectional interplay between sensory integration and latent rule discoveryThe ability to decipher the structure of sensory input is crucial for building an accurate internal model of one’s environment. Humans can not only extract and integrate the sensory properties of stim... 020
Reposted by Gouki OkazawaNicole Rust @nicolecrust.bsky.social · 06/05/2025Calling all science advocates!! Carlos Brody+ are creating a searchable database of tangible science benefits, and they need you. publicusaresearchbenefits.com They are asking for suggestions - from brief to lengthy. The database is state-searchable, so all 50 states. Please spread the word!publicusaresearchbenefits.comSearchable database of tangible benefits that federally-funded research gave us.A crowd-sourced site. Health and Well-being. National Security. Prosperity. 15146
Reposted by Gouki OkazawaAriel Zylberberg @arielzylberberg.bsky.social · 19/04/2025Happy to share our new paper exploring how the brain might represent decision confidence. A population representation of the confidence in a decision in the parietal cortex: Cell Reports www.cell.com/cell-reports...cell.comA population representation of the confidence in a decision in the parietal cortexAt the end of a decision based on evidence accumulation, the neural representation of the accumulation is invariant across decisions. Zylberberg and Shadlen show, nonetheless, that accuracy can be dec... 15120
Reposted by Gouki OkazawaKelsey Anbuhl @anbuhlk.bsky.social · 04/04/2025Excited to share my latest work just out in @pnas.org! This NIH MOSAIC K99-funded project identifies a top-down cortical circuit—from cingulate to auditory cortex—that supports auditory perceptual performance in challenging listening conditions: www.pnas.org/doi/10.1073/...pnas.orgThe cingulate cortex facilitates auditory perception under challenging listening conditions | PNASWe often exert greater cognitive resources (i.e., listening effort) to understand speech under challenging acoustic conditions. This mechanism can ... 14816
Gouki Okazawa @handle.invalid · 04/04/2025A preprint from our lab. Trying something new. "Object categorization based on abstract concepts by monkeys, humans, and vision models" www.biorxiv.org/content/10.1...biorxiv.orgObject categorization based on abstract concepts by monkeys, humans, and vision modelsViewing an object in the external world evokes a rich variety of concepts associated with it in the human mind, such as whether it is animate or not, man-made or not, big or small, and countless other... 062
Reposted by Gouki OkazawaMarino Pagan @marinopagan.bsky.social · 28/03/2025We are hiring a PhD student to study the neural mechanisms underlying flexible decision-making and individual variability. Please apply and spread the word! 012
Reposted by Gouki OkazawaJenelle Feather @jfeather.bsky.social · 27/03/2025We are presenting two exciting projects tonight at #Cosyne2025! 🧠🧑🔬 [1-032] Changes in tuning curves, not neural population covariance, improve category separability in the primate ventral visual pathway [1-112] Comparing image representations in terms of sensitivities to local distortions 1195
Reposted by Gouki OkazawaSeán Froudist-Walsh @seanfw.bsky.social · 24/03/2025A landmark Computational Neuroscience book for our times, from basic principles to whole-cortex modelling of cognition, NeuroAI and Computational Psychiatry. This is one of Xiao-Jing's major achievements. Years of dedicated work from a master of the field. 2204
Gouki Okazawa @handle.invalid · 18/03/2025This is very interesting, NHP doing a drawing task. Neural representation of action symbols in primate frontal cortex www.biorxiv.org/content/10.1...biorxiv.orgNeural representation of action symbols in primate frontal cortexAt the core of intelligence is proficiency in solving new problems, including those that differ dramatically from problems seen before. Problem-solving, in turn, depends on goal-directed generation of... 031
Reposted by Gouki OkazawaJorge Mejias @jorgefmejias.bsky.social · 18/03/2025Please spread the word!! We are accepting applications for the Cold Spring Harbor Asia Computational and Cognitive Summer School in Suzhou, China. Dates: June 29 to July 20 of 2025. Application deadline: March 31. #computationalneuroscience. For the top three reasons to attend, see thread below: 3147
Gouki Okazawa @handle.invalid · 16/03/2025Latency of vlPFC face selectivity is 30-40ms! Fast face-selective responses in prefrontal face patches of the macaque www.cell.com/cell-reports...cell.comFast face-selective responses in prefrontal face patches of the macaqueMergan et al. conducted an fMRI-guided electrophysiology study in macaque prefrontal face patches. They found that, although receptive fields and basic selectivity in these face patches resemble those... 010
Gouki Okazawa @handle.invalid · 15/03/2025Task structure tailors the geometry of neural representations in human lateral prefrontal cortex www.biorxiv.org/content/10.1...biorxiv.orgTask structure tailors the geometry of neural representations in human lateral prefrontal cortexHow do human brains represent tasks of varying structure? The lateral prefrontal cortex (lPFC) flexibly represents task information. However, principles that shape lPFC representational geometry remai... 010
Gouki Okazawa @handle.invalid · 05/03/2025Robust encoding of stimulus–response mapping by neurons in visual cortex www.pnas.org/doi/10.1073/...pnas.orgRobust encoding of stimulus–response mapping by neurons in visual cortex | PNASNeural activity in sensory cortex is modulated by behavioral and cognitive factors, and this modulation is thought to contribute to the selection o... 000
Gouki Okazawa @handle.invalid · 28/02/2025"Beginning February 2025, JNeurosci will permit submission of supplemental materials."😮 www.jneurosci.org/content/info...jneurosci.orgInformation for Authors | Journal of Neuroscience 010
Gouki Okazawa @handle.invalid · 24/02/2025I was wondering what's a good review of evidence accumulation/DDM as a primer for students with no background and found this would be very good. www.annualreviews.org/content/jour...annualreviews.orgSequential Sampling Models in Cognitive Neuroscience: Advantages, Applications, and Extensions | Annual ReviewsSequential sampling models assume that people make speeded decisions by gradually accumulating noisy information until a threshold of evidence is reached. In cognitive science, one such model—the diff... 110
Gouki Okazawa @handle.invalid · 30/01/2025Finally moved here. Hope to enjoy science news and chat in a warm community again. 130