Sign in

Ching-Lung Hsu

@hiallen72.bsky.social
286 followers 371 following 352 posts

Neuroscientist @ Academia Sinica, NPAS, IBMS; National Taiwan University LS | In search of Biophysics-informed neural and behavioral algorithms | Hippocampus, Memory, Neural code for space and time on X x.com/hiallen72?s=21&t=WrQo8yo4jXdk…

PostsRepliesMedia
Ching-Lung Hsu @hiallen72.bsky.social · 03/10/2026
doi.org/10.1038/nn.4...
doi.org
Dynamic illumination of spatially restricted or large brain volumes via a single tapered optical fiber - Nature Neuroscience
The authors demonstrate that optical fibers with tapered tips can homogenously illuminate either elongated brain structures or dynamically selected subregions. Tapered fibers achieve efficient optogen...
000
Ching-Lung Hsu @hiallen72.bsky.social · 27/09/2026
doi.org/10.1038/s415...
doi.org
Discovering cognitive strategies with tiny recurrent neural networks - Nature
Modelling biological decision-making with tiny recurrent neural networks enables more accurate predictions of animal choices than classical cognitive models and offers insights into the underlying cog...
000
Reposted by Ching-Lung Hsu
Adrian Duszkiewicz @adrian-du.bsky.social · 26/09/2026
Interesting new study from the Frank lab: Hippocampal representations of alternative possibilities are flexibly generated to meet cognitive demands
cell.com
Hippocampal representations of alternative possibilities are flexibly generated to meet cognitive demands
Comrie et al. show that the hippocampus flexibly represents different alternative possibilities—including paths ahead, behind, and far away—to meet distinct cognitive demands related to decision-makin...
04514
Ching-Lung Hsu @hiallen72.bsky.social · 21/09/2026
www.nature.com/articles/s41...
nature.com
Memristive singular value decomposition - Nature Communications
Efficient processing of high-dimensional datasets demands minimal information loss and reduced computational complexity. Ding et al. report a memristor-based system that boosts data simplification eff...
010
Ching-Lung Hsu @hiallen72.bsky.social · 14/09/2026
Ad-hoc MIT report for AI on learning and education. Everyone should be aware of it. aiandeducation.mit.edu/report/
aiandeducation.mit.edu
Report – AI and Education
000
Reposted by Ching-Lung Hsu
Dirk Gütlin @gutlin.bsky.social · 13/09/2026
Representational learning by optimization of neural manifolds in an olfactory memory network www.nature.com/articles/s41...
nature.com
Representational learning by optimization of neural manifolds in an olfactory memory network - Nature Neuroscience
Using experiments and theory, the authors examine how olfactory memories are encoded in the zebrafish olfactory cortex. They find that experience reshapes the internal map of odor space, making releva...
0398
Ching-Lung Hsu @hiallen72.bsky.social · 13/09/2026
Inter-brain synchrony & dynamics. CCA and PLSC have specific consideration (doi.org/10.1038/s42003…).doi.org/10.1016/j.ce...23doi.org/10.1016/j.ce...22doi.org/10.1038/s415...-4
doi.org
Redirecting
110
Reposted by Ching-Lung Hsu
bioRxivpreprint @biorxivpreprint.bsky.social · 11/09/2026
From Metabolite to Signalling: Evolutionary Assembly of the Glutamatergic System Across Metazoans www.biorxiv.org/content/10.64898/20…
031
Ching-Lung Hsu @hiallen72.bsky.social · 11/09/2026
Neural geometry in the human hippocampus enables generalization across spatial position and gaze www.cell.com/neuron/fullt...
cell.com
Neural geometry in the human hippocampus enables generalization across spatial position and gaze
Chericoni et al. show that neurons in the human hippocampus track the positions of multiple agents in a simple pursuit-based video game. They identified place codes for each agent and for gaze. The co...
082
Ching-Lung Hsu @hiallen72.bsky.social · 28/08/2026
www.nature.com/articles/s41...
nature.com
GluA2-containing AMPA receptors form a continuum of Ca2+-permeable channels - Nature
GluA2-containing AMPA receptors (AMPARs) are not Ca2+ impermeable, and their ability to transport Ca2+ is shaped by the subunit composition of AMPAR tetramers as well as the orientation of transm...
020
Ching-Lung Hsu @hiallen72.bsky.social · 14/08/2026
www.nature.com/articles/s41...
nature.com
Getting over ANOVA: estimation graphics for multi-group comparisons - Nature Methods
Nature Methods - Getting over ANOVA: estimation graphics for multi-group comparisons
000
Ching-Lung Hsu @hiallen72.bsky.social · 13/08/2026
doi.org/10.1038/s415...
doi.org
Neuromorphic computing at scale - Nature
Approaches for the development of future at-scale neuromorphic systems based on principles of biointelligence are described, along with potential applications of scalable neuromorphic architectures an...
051
Ching-Lung Hsu @hiallen72.bsky.social · 11/08/2026
www.nature.com/articles/s44...
nature.com
A statistical-field approach to electron transport in semiconductor nanodevices - Nature Reviews Electrical Engineering
This Perspective sets out an approach to electron transport in nanoscale devices based on statistical fields — specifically the spatial and temporal variations in temperature and chemical potential th...
010
Ching-Lung Hsu @hiallen72.bsky.social · 09/08/2026
doi.org/10.48550/arX...
doi.org
Neuromorphic Simulation of Drosophila Melanogaster Brain Connectome on Loihi 2
We demonstrate the first-ever nontrivial, biologically realistic connectome simulated on neuromorphic computing hardware. Specifically, we implement the whole-brain connectome of the adult Drosophila ...
000
Ching-Lung Hsu @hiallen72.bsky.social · 08/08/2026
doi.org/10.1016/j.ce...
doi.org
Redirecting
000
Reposted by Ching-Lung Hsu
Kanaka Rajan @kanakarajanphd.bsky.social · 07/08/2026
(1/8) Our approach for untangling brain-wide interactions is out today in @cp-neuron.bsky.social! Current-Based Decomposition (CURBD) uses RNNs constrained by real neural data to reveal the input driving neurons, uncovering how brain regions talk to each other. doi.org/10.1016/j.ne... 🧵👇
211337
Ching-Lung Hsu @hiallen72.bsky.social · 07/08/2026
escholarship.org/uc/item/57b9...
escholarship.org
000
Ching-Lung Hsu @hiallen72.bsky.social · 01/08/2026
50 Reflections on Neuroscience – TAIWAN | ibro.org/50-reflectio...
ibro.org
50 Reflections on Neuroscience - TAIWAN
Explore Taiwan’s neuroscience history through this 50 Reflections campaign, showcasing impactful contributions to global brain research.
010
Ching-Lung Hsu @hiallen72.bsky.social · 20/07/2026
www.nature.com/articles/s41...
nature.com
A gradual temporal shift of dopamine responses mirrors the progression of temporal difference error in machine learning - Nature Neuroscience
The authors found that dopamine signals move gradually from time of reward to time of cue through intermediate timepoints, similarly to the evaluation signals used in temporal difference learning. The...
010
Ching-Lung Hsu @hiallen72.bsky.social · 19/07/2026
Beautiful work from Reza. doi.org/10.1126/scie...
doi.org
A vector calculus for neural computation in the cerebellum
Null space theory predicts that neurons generate spikes not only to produce behavior but also to prevent the undesirable effect of other neurons on behavior. In this work, we show that this competitiv...
0196
Ching-Lung Hsu @hiallen72.bsky.social · 12/07/2026
proceedings.neurips.cc/paper_files/...
proceedings.neurips.cc
$\alpha$-ReQ : Assessing Representation Quality in Self-Supervised Learning by measuring eigenspectrum decay
010
Ching-Lung Hsu @hiallen72.bsky.social · 12/07/2026
Advanced thinking. In my opinion Graduating without a thesis: meet the people getting ‘practical’ PhDs in China www.nature.com/articles/d41...
nature.com
Graduating without a thesis: meet the people getting ‘practical’ PhDs in China
Nature spoke to three students from China’s first cohort of PhD candidates who are allowed to graduate with products instead of papers.
052
Ching-Lung Hsu @hiallen72.bsky.social · 04/07/2026
Amazing work doi.org/10.1038/s415...
doi.org
Individual variability of neural computations underlying flexible decisions - Nature
Behavioural experiments to study decision-making in response to context-dependent accumulation of evidence provide testable models that are consistent with the heterogeneity in neural signatures among...
050
Ching-Lung Hsu @hiallen72.bsky.social · 04/07/2026
open.substack.com/pub/asterain...
open.substack.com
What Scientists Said: Results from Astera's First Essay Competition
Astera recently hosted its first essay competition, focused around metascience.
000
Ching-Lung Hsu @hiallen72.bsky.social · 02/07/2026
doi.org/10.1016/j.ce...
doi.org
Redirecting
010
Ching-Lung Hsu @hiallen72.bsky.social · 27/06/2026
doi.org/10.1016/j.ne... Beautiful work!
doi.org
Redirecting
110
Ching-Lung Hsu @hiallen72.bsky.social · 10/06/2026
010
Ching-Lung Hsu @hiallen72.bsky.social · 10/06/2026
@kavlifoundation.org
000
Ching-Lung Hsu @hiallen72.bsky.social · 06/06/2026
open.substack.com/pub/drfeifei...
open.substack.com
A Functional Taxonomy of World Models
Renderers, Simulators, Planners, and the Loop That Connects Them
010
Reposted by Ching-Lung Hsu
Earl K. Miller @earlkmiller.bsky.social · 04/06/2026
I was happy to be a part.
171
Reposted by Ching-Lung Hsu
John Tuthill @tuthill.bsky.social · 04/06/2026
Spontaneous problem-solving in bumble bees. Amazing work by the bees who were put in these puzzling situations by @akshayebhambore.bsky.social in the lab of @olliloukola.bsky.social www.science.org/doi/10.1126/...
313141
Ching-Lung Hsu @hiallen72.bsky.social · 05/06/2026
doi.org/10.48550/arX...
doi.org
World Modeling with Probabilistic Structure Integration
We present Probabilistic Structure Integration (PSI), a system for learning richly controllable and flexibly promptable world models from data. PSI consists of a three-step cycle. The first step, Prob...
030
Ching-Lung Hsu @hiallen72.bsky.social · 04/06/2026
doi.org/10.1038/s415...
doi.org
Cheese3D enables sensitive detection and analysis of whole-face movement in mice - Nature Neuroscience
The authors developed Cheese3D, a hardware–software framework for precise and sensitive measurement of whole-face movements in mice that enables quantitative inference of neural and physiological proc...
030
Reposted by Ching-Lung Hsu
Earl K. Miller @earlkmiller.bsky.social · 04/06/2026
A model of how beta and gamma rhythms impact synaptic integration in pyramidal neurons. Spatially targeted inhibitory rhythms differentially affect neuronal integration doi.org/10.7554/eLif... #neuroscience
doi.org
Spatially targeted inhibitory rhythms differentially affect neuronal integration
Beta and gamma inhibitory rhythms are preferentially tuned to govern synaptic integration in layer 5 pyramidal neurons by differentially modulating responses to inputs targeting distal dendritic and p...
1164
Ching-Lung Hsu @hiallen72.bsky.social · 31/05/2026
The 2nd NeuroAI Summer School—this year with Tony Zador as our keynote (last year Kim Stachenfeld : )). Important movement for building NeuroAI in Taiwan. @tonyzador.bsky.social #NeuroAI
060
Ching-Lung Hsu @hiallen72.bsky.social · 30/05/2026
doi.org/10.1007/s116...
doi.org
A Hyperbolic Free-Energy Framework for Neural Dynamics: Thermodynamic Principles Underlying Brain State Transitions and Cognitive Behaviors - Journal of Phase Equilibria and Diffusion
The brain is a dissipative, far-from-equilibrium system that continuously consumes energy to sustain structured neural activity while producing entropy. How system-level interactions among energy, entropy, structure, and physiological constraints give rise to cognition through distributed computation remains a central challenge in neuroscience. Existing free-energy frameworks have provided valuable conceptual insights, yet many remain largely metaphorical and lack explicit biological grounding, limiting the specificity and falsifiability of their predictions. Here, we propose a biologically grounded, thermodynamically inspired framework in which brain dynamics emerge from a continual balance between stability and flexibility, formalized as minimizing a Gibbs-free-energy-like function (ΔG = ΔH − TΔS). Stable neural configurations correspond to low-enthalpy, ordered states that support reliable function, whereas flexible configurations correspond to higher-entropy states that enable adaptive behavior. We further propose that neural population dynamics can be described as evolving on a hyperbolic statistical landscape shaped by metabolic, biophysical, anatomical, and bodily constraints. Neural activity samples this landscape, and experience gradually reshapes it over time. Metastable brain states occupy local free-energy minima, with transitions governed by Boltzmann-like probabilities. Learning sculpts the landscape via synaptic optimization and pruning, reducing entropy and stabilizing task-relevant dynamics. Importantly, this framework accounts for adaptive reallocation of neural resources under physiological stress, whereby higher-order cognitive functions may be transiently constrained to prioritize survival-essential processes, thereby predicting that cognitive function can remain rescuable in some cases despite structural damage. Together, this quantitative thermodynamic and geometric framework provides a unified foundation for understanding cognition as an emergent, system-level property of whole-brain dynamics.
020
Ching-Lung Hsu @hiallen72.bsky.social · 28/05/2026
doi.org/10.48550/arX...
doi.org
A Taxonomy of Recurrent Learning Rules
Backpropagation through time (BPTT) is the de facto standard for training recurrent neural networks (RNNs), but it is non-causal and non-local. Real-time recurrent learning is a causal alternative, bu...
000
Ching-Lung Hsu @hiallen72.bsky.social · 28/05/2026
doi.org/10.1038/s414...
doi.org
Neural circuit models for evidence accumulation through choice-selective sequences - Nature Communications
Recent data has observed sequential, rather than persistent, neural activity during evidence accumulation for decision-making. Here, the authors develop models that accumulate evidence through sequenc...
000
Ching-Lung Hsu @hiallen72.bsky.social · 24/05/2026
doi.org/10.1038/s420...
doi.org
The perforant pathway and CA3-Schaffer collateral afferents coordinate to regulate spatial learning - Communications Biology
Entorhinal-hippocampal afferents innervate intrahippocampal circuitry at both behavioral and synaptic levels, including the spatial learning and heterosynaptic plasticity.
171
Ching-Lung Hsu @hiallen72.bsky.social · 23/05/2026
thoughtist.org/adventures-i...
thoughtist.org
Adventures in a Patternless Universe
“Most observable patterns of nature arise from aggregation of numerous small-scale processes… Aggregation tends to smooth fluctuations.” ~S. A. Frank[1] “Nature is both periodic and perpetual. One of ...
010
Ching-Lung Hsu @hiallen72.bsky.social · 23/05/2026
doi.org/10.64898/202...
doi.org
010
Ching-Lung Hsu @hiallen72.bsky.social · 20/05/2026
I’m gleaning evidence about whether or how a LLM learn a certain level of the model for the “world” (as Geoff Hinton would worry). Looks like it doesn’t openreview.net/forum?id=DeG... www.lesswrong.com/posts/gcpNuE...
openreview.net
Emergent World Representations: Exploring a Sequence Model Trained...
Language models show a surprising range of capabilities, but the source of their apparent competence is unclear. Do these networks just memorize a collection of surface statistics, or do they rely...
030
Ching-Lung Hsu @hiallen72.bsky.social · 19/05/2026
doi.org/10.1126/scia...
doi.org
GRASPing experience-dependent protein expression signatures enriched for hippocampal engram cell synapses
Toward identifying the protein landscape of memory-encoding hippocampal synapses.
040
Ching-Lung Hsu @hiallen72.bsky.social · 18/05/2026
doi.org/10.64898/202...
doi.org
020
Ching-Lung Hsu @hiallen72.bsky.social · 17/05/2026
doi.org/10.1038/s415...
doi.org
Latent circuit inference from heterogeneous neural responses during cognitive tasks - Nature Neuroscience
The latent circuit model identifies low-dimensional mechanisms of task execution from heterogenous neural responses. This approach reveals a latent inhibitory mechanism for context-dependent decisions...
010
Ching-Lung Hsu @hiallen72.bsky.social · 17/05/2026
transformer-circuits.pub/2024/scaling...
transformer-circuits.pub
Scaling Monosemanticity: Extracting Interpretable Features from Claude 3 Sonnet
110
Ching-Lung Hsu @hiallen72.bsky.social · 17/05/2026
doi.org/10.1038/s415...
doi.org
Theories of consciousness - Nature Reviews Neuroscience
Various theories have been developed for the biological and physical basis of consciousness. In this Review, Anil Seth and Tim Bayne discuss four prominent theoretical approaches to consciousness, nam...
010
Ching-Lung Hsu @hiallen72.bsky.social · 16/05/2026
www.nationalacademies.org/read/27764/c...
nationalacademies.org
Read
Read chapter 2 The Bidirectionality of Neuroscience and Artificial Intelligence: Since artificial intelligence's (AI) inception, AI and neuroscience have...
000
Reposted by Ching-Lung Hsu
Matthew Larkum @mattlark.bsky.social · 26/05/2025
Does neural computation feel like something? In our new paper, we explore a paradox: if you replay all the neural activity of a brain—every spike, every synapse—does it recreate conscious experience? 🧠 doi.org/10.3389/fnin...
doi.org
Frontiers | Does neural computation feel like something?
Artificial neural networks are becoming more advanced and human-like in detail and behavior. The notion that machines mimicking human brain computations migh...
4178
Ching-Lung Hsu @hiallen72.bsky.social · 15/05/2026
Beautiful work, amazing Matthew @mattlark.bsky.social www.ovid.com/10.1126/scie...
ovid.com
Tuft dendrites in frontal motor cortex enable... : Science
Flexible learning relies on integrating sensory and contextual information to adjust behavioral output in different environments. The anterolateral...
000