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Feng-Kuei Chiang 江峰逵

@fkchiang89.bsky.social
73 followers 354 following 14 posts

Research scientist at CNS at NYU interested in WM, DM, and HRL with NHP PFC. Baseball ⚾ , Bowling 🎳 , and Foodie 🍜

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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 03/09/2026
🎉 Thanks Erin for the supports and vision to this project! Really excited to show mnemonic chunking in neuronal ensembles of dlPFC in self-ordered behaviors 🍀
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Reposted by Feng-Kuei Chiang 江峰逵
Earl K. Miller @earlkmiller.bsky.social · 13/09/2025
Talk: Cognition is Emergent - Earl K. Miller Neuroscience and Philosophy Salon, 9-12-25 youtu.be/Sk4ehOcsDmM?...
youtu.be
"Cognition is emergent" by Earl Miller
YouTube video by Neuroscience & Philosophy Salon
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Nature Human Behaviour @nathumbehav.nature.com · 03/06/2025
In this article, @jetrach.bsky.social and McDougle show that motor responses can form part of structured, graph-like memory representations. @actlab.bsky.social www.nature.com/articles/s41...
nature.com
Mental graphs structure the storage and retrieval of visuomotor associations - Nature Human Behaviour
Trach and McDougle show that motor responses can form part of structured, graph-like memory representations.
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hakwan lau @hakwan.bsky.social · 04/05/2025
in my first year in grad school, i recall once that my doctoral advisor @dickretired.bsky.social (who somewhat had a reputation of making harsh responses to talks) told an American student in my year that: in the US ppl are all nice, but in the UK we just speak our minds. not having any cultural...
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 26/03/2025
MLIB: an easy-to-use Matlab toolbox for the analysis of extracellular spike data www.biorxiv.org/content/10.1101/202…
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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 01/03/2025
Sequence chunking through neural encoding of ordinal positions www.sciencedirect.com/science/arti...
sciencedirect.com
Sequence chunking through neural encoding of ordinal positions
Grouping sensory events into chunks is an efficient strategy to integrate information across long sequences such as speech, music, and complex movemen…
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 26/01/2025
The geometry of the neural state space of decisions www.biorxiv.org/content/10.1101/202…
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Jane Liebschutz, MD MPH (she/her) @liebschutz.bsky.social · 22/01/2025
All NIH study sections canceled indefinitely. This will halt science and devastate research budgets in universities.
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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 21/01/2025
Great review! Hierarchical, sequential, subgoal-goal, chunking, the keywords I’ve worked on and been challenged for years. Happy to see this as a guide for me to move (DLPFC) forward! www.nature.com/articles/s41...
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Ipshita Zutshi @ipshitaz.bsky.social · 09/01/2025
It’s an incredible feeling to see something you’ve poured your heart into come to life. This work was born from my curiosity about hippocampal “cognitive tuning.” Our interpretation of the environment depends on our actions, constantly evolving as we pursue our goals www.nature.com/articles/s41...
nature.com
Hippocampal neuronal activity is aligned with action plans - Nature
Using high-density electrophysiological recordings, how internally generated cell assemblies are updated by action plans to meet external goals is explored.
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Earl K. Miller @earlkmiller.bsky.social · 09/01/2025
We value things differently depending on the situation. A fascinating paper shows that the hippocampus feeds contextual information to the prefrontal cortex by altering theta wave phase alignment, enabling the PFC to adjust value judgments accordingly. www.nature.com/articles/s41... #neuroscience
nature.com
Context-dependent decision-making in the primate hippocampal–prefrontal circuit - Nature Neuroscience
The brain uses different valuation schemes across contexts. Elston and Wallis show this is supported by hippocampal encoding of context that is broadcast to prefrontal value subcircuits via theta sync...
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Marlene Cohen @marlenecohen.bsky.social · 04/01/2025
New results for a new year! “Linking neural population formatting to function” describes our modern take on an old question: how can we understand the contribution of a brain area to behavior? www.biorxiv.org/content/10.1... 🧠👩🏻‍🔬🧪🧵 #neuroskyence 1/
biorxiv.org
Linking neural population formatting to function
Animals capable of complex behaviors tend to have more distinct brain areas than simpler organisms, and artificial networks that perform many tasks tend to self-organize into modules (1-3). This sugge...
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Peter Murphy @peterwmurphy1.bsky.social · 01/01/2025
For Maths fans, 2025 is a square. 45² = 45 x 45 = 2025 Also, 9² x 5² = 2025 40² + 20² + 5² = 2025 My favourite? 1³+2³+3³+4³+5³+6³+7³+8³+9³ = 2025 #Mathematics #teaching #education
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Luke Sjulson @lukesjulson.bsky.social · 13/12/2024
Neuroscience students asked us to teach a PRACTICAL course on experimental methods, and it is now on YouTube! Please like and repost to help us get the word out! www.youtube.com/playlist?lis... Lecture 1: Signals and data acquisition Focusing on hardware, digital/analog I/O, synchronization 🧵
youtube.com
Neuroscience methods - YouTube
Nanocourse: Approaches to Study Neural Circuits This course was taught by Anita Autry, Tiago Gonçalves, and Luke Sjulson at Albert Einstein College of Medici...
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Patrick Mineault @patrickmineault.bsky.social · 14/11/2024
Some highlights from NIH Brain Initiative NeuroAI discussion. @kanakarajanphd.bsky.social asked what we need to do over the next 10 years. Andreas Tolias answered that we need an ambitious concerted team science effort to build digital twins and reverse engineer how intelligence works. 1/
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Erin Rich @erinlrich.bsky.social · 15/11/2024
It's so great to see everybody here! 👋 Here's something we've been working on for a while, led by Aster Perkins. There's a long-standing idea in decision-making that the orbitofrontal cortex computes and compares overall values. We found maybe not... www.biorxiv.org/content/10.1...
biorxiv.org
Attention-dependent attribute comparisons underlie multi-attribute decision-making in orbitofrontal cortex
Economic decisions often require weighing multiple dimensions, or attributes. The orbitofrontal cortex (OFC) is thought to be important for computing the integrated value of an option from its attribu...
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 02/10/2024
Posterior Parietal Cortex Regulates Intrinsic Neural Timescales and Attentional Processing in Frontal Eye Field www.biorxiv.org/content/10.1101/202…
biorxiv.org
Posterior Parietal Cortex Regulates Intrinsic Neural Timescales and Attentional Processing in Frontal Eye Field https://www.biorxiv.org/content/10.1101/2024.09.30.615928v1
Intrinsic neural timescales characterize the dynamics of endogenous fluctuations in neural activity.
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 19/09/2024
Ventrolateral prefrontal cortex in macaques guides decisions in different learning contexts www.biorxiv.org/content/10.1101/202…
biorxiv.org
Ventrolateral prefrontal cortex in macaques guides decisions in different learning contexts https://www.biorxiv.org/content/10.1101/2024.09.18.613767v1
Flexibly adjusting our behavioral strategies based on the environmental context is critical to maxim
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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 01/09/2024
If you see this, quote post with a beach picture from your gallery. 🏖️☀️
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Erin Rich @erinlrich.bsky.social · 29/08/2024
After a long slog, my student's paper is finally out! Our first foray into social cognition asked whether a putative "social" brain area does anything unique with social cues when they're not used for any social reasoning. Turns out it does! www.nature.com/articles/s41...
nature.com
Neural populations in macaque anterior cingulate cortex encode social image identities - Nature Communications
The anterior cingulate cortex gyrus plays an important role in social cognition. Here authors show that, in a goal-directed task without social reasoning, these neurons differentiate conspecific ident...
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 18/08/2024
Dynamic coding and sequential integration of multiple reward attributes by primate amygdala neurons www.biorxiv.org/content/10.1101/202…
biorxiv.org
Dynamic coding and sequential integration of multiple reward attributes by primate amygdala neurons https://www.biorxiv.org/content/10.1101/2024.08.17.608391v1
The value of visual stimuli guides learning, decision-making and motivation. Although stimulus value
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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 15/08/2024
Chunking!!
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 03/08/2024
Optogenetic hedonic hotspots in orbitofrontal cortex and insula: causing enhancement of sweetness liking www.biorxiv.org/content/10.1101/202…
biorxiv.org
Optogenetic hedonic hotspots in orbitofrontal cortex and insula: causing enhancement of sweetness liking https://www.biorxiv.org/content/10.1101/2024.07.31.606067v1
Hedonic hotspots are brain subregions that causally amplify the hedonic impact of palatable tastes,
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 29/07/2024
Cognitive sequences in obsessive-compulsive disorder are supported by frontal cortex ramping activity and mediated by symptom severity www.biorxiv.org/content/10.1101/202…
biorxiv.org
Cognitive sequences in obsessive-compulsive disorder are supported by frontal cortex ramping activity and mediated by symptom severity https://www.biorxiv.org/content/10.1101/2024.07.28.605508v1
Completing sequences is a part of everyday life. Many such sequences can be considered abstract - th
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Erin Rich @erinlrich.bsky.social · 05/07/2024
For anyone like me who enjoys geeking out over behavioral tasks, our new paper is out! Also important implications for mechanisms of value-based decisions direct.mit.edu/jocn/article...
direct.mit.edu
Multiattribute Decision-making in Macaques Relies on Direct Attribute Comparisons
Abstract. In value-based decisions, there are frequently multiple attributes, such as cost, quality, or quantity, that contribute to the overall goodness of an option. Because one option may not be be...
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Reposted by Feng-Kuei Chiang 江峰逵
bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 03/07/2024
Mixed recurrent connectivity architecture in primate prefrontal cortex www.biorxiv.org/content/10.1101/202…
biorxiv.org
Mixed recurrent connectivity architecture in primate prefrontal cortex https://www.biorxiv.org/content/10.1101/2024.06.30.601443v1
The functional properties of a network depend on its connectivity, which includes the strength of it
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 14/06/2024
Anterior Cingulate Cortex Causally Supports Meta-Learning www.biorxiv.org/content/10.1101/202…
biorxiv.org
Anterior Cingulate Cortex Causally Supports Meta-Learning https://www.biorxiv.org/content/10.1101/2024.06.12.598723v1
In dynamic environments with volatile rewards the anterior cingulate cortex (ACC) is believed to det
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 12/06/2024
Synaptic alterations in pyramidal cells following genetic manipulation of neuronal excitability in monkey prefrontal cortex www.biorxiv.org/content/10.1101/202…
biorxiv.org
Synaptic alterations in pyramidal cells following genetic manipulation of neuronal excitability in monkey prefrontal cortex https://www.biorxiv.org/content/10.1101/2024.06.12.598658v1
In schizophrenia, layer 3 pyramidal neurons (L3PNs) in the dorsolateral prefrontal cortex (DLPFC) ar
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 01/06/2024
Identification of Recurrent Dynamics in Distributed Neural Populations www.biorxiv.org/content/10.1101/202…
biorxiv.org
Identification of Recurrent Dynamics in Distributed Neural Populations https://www.biorxiv.org/content/10.1101/2024.05.27.596062v1
Large-scale recordings of neural activity over broad anatomical areas with high spatial and temporal
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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 27/05/2024
www.sciencedirect.com/science/arti...
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Erin Rich @erinlrich.bsky.social · 25/05/2024
Postdoc position available! R01 funded, working on mechanisms of multi-attribute decision-making with myself and Antonio Rangel. Position is at Caltech in Rangel lab doing behavior modeling. For more information, contact me or Antonio. Please share with anyone who might be a good fit!
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 14/05/2024
A direct neural signature of serial dependence in working memory www.biorxiv.org/content/10.1101/202…
biorxiv.org
A direct neural signature of serial dependence in working memory https://www.biorxiv.org/content/10.1101/2024.05.13.593912v1
Serial dependence describes the phenomenon that current object representations are attracted to prev
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 12/05/2024
Prioritizing of working memory resources depends onprefrontal cortex www.biorxiv.org/content/10.1101/202…
biorxiv.org
Prioritizing of working memory resources depends onprefrontal cortex https://www.biorxiv.org/content/10.1101/2024.05.11.593696v1
The role the prefrontal cortex plays in working memory remains controversial. Here, we tested the hy
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Earl K. Miller @earlkmiller.bsky.social · 10/05/2024
Abstract deliberation by visuomotor neurons in prefrontal cortex www.nature.com/articles/s41... #neuroscience
nature.com
Abstract deliberation by visuomotor neurons in prefrontal cortex - Nature Neuroscience
Charlton and Goris developed a new perceptual decision-making task for macaque monkeys and found that prefrontal circuits involved in action selection are also used for the deliberation of abstract pr...
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 12/05/2024
Neural mechanisms of resource allocation in working memory www.biorxiv.org/content/10.1101/202…
biorxiv.org
Neural mechanisms of resource allocation in working memory https://www.biorxiv.org/content/10.1101/2024.05.11.593695v1
To mitigate capacity limits of working memory, people allocate resources according to the relevance
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 11/05/2024
Task-specific topographical maps of neural activity in the primate lateral prefrontal cortex www.biorxiv.org/content/10.1101/202…
biorxiv.org
Task-specific topographical maps of neural activity in the primate lateral prefrontal cortex https://www.biorxiv.org/content/10.1101/2024.05.10.591729v1
Neurons in the primate lateral prefrontal cortex (LPFC) flexibly adapt their activity to support a w
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 04/05/2024
Dorsal prefrontal cortex drives perseverative behavior in mice www.biorxiv.org/content/10.1101/202…
biorxiv.org
Dorsal prefrontal cortex drives perseverative behavior in mice https://www.biorxiv.org/content/10.1101/2024.05.02.592241v1
Perseveration -- repeating one choice when others would generate larger rewards -- is a common behav
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 28/03/2024
Tracking how attentional focusing in working memory benefits long-term memory www.biorxiv.org/content/10.1101/202…
biorxiv.org
Tracking how attentional focusing in working memory benefits long-term memory https://www.biorxiv.org/content/10.1101/2024.03.25.586271v1
Human working memory serves as a key gateway to the formation of lasting memories in long-term memor
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 19/03/2024
In vivo optogenetics using a Utah Optrode Array with enhanced light output and spatial selectivity www.biorxiv.org/content/10.1101/202…
biorxiv.org
In vivo optogenetics using a Utah Optrode Array with enhanced light output and spatial selectivity https://www.biorxiv.org/content/10.1101/2024.03.18.585479v1
Optogenetics allows manipulation of neural circuits in vivo with high spatial and temporal precision
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 07/03/2024
Task structure tailors the geometry of neural representations in human lateral prefrontal cortex www.biorxiv.org/content/10.1101/202…
biorxiv.org
Task structure tailors the geometry of neural representations in human lateral prefrontal cortex https://www.biorxiv.org/content/10.1101/2024.03.06.583429v1
How do human brains represent tasks of varying structure? The lateral prefrontal cortex (lPFC) flexi
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 15/02/2024
Neural dynamics of shifting attention between perception and working-memory contents www.biorxiv.org/content/10.1101/202…
biorxiv.org
Neural dynamics of shifting attention between perception and working-memory contents https://www.biorxiv.org/content/10.1101/2024.02.14.580280v1
In everyday tasks, our focus of attention shifts seamlessly between contents in the sensory environm
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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 09/02/2024
I like data visualization. It’s science and art as well. It is a good way to recognize the efforts you had for data collection with respect.
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 09/02/2024
Neural basis of self-control www.biorxiv.org/content/10.1101/202…
biorxiv.org
Neural basis of self-control https://www.biorxiv.org/content/10.1101/2024.02.07.578652v1
Humans are often tempted by small, but immediate rewards that seem more attractive than a larger, de
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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 04/02/2024
Feel satisfied when learned that R-squared can be negative due to the bad model was used.
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 02/02/2024
Distinct functional roles of distributed cortical representations for working memory storage www.biorxiv.org/content/10.1101/202…
biorxiv.org
Distinct functional roles of distributed cortical representations for working memory storage https://www.biorxiv.org/content/10.1101/2024.02.02.578618v1
While distributed cortical areas represent working memory contents, their necessity for memory maint
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 01/02/2024
Building compositional tasks with shared neural subspaces www.biorxiv.org/content/10.1101/202…
biorxiv.org
Building compositional tasks with shared neural subspaces https://www.biorxiv.org/content/10.1101/2024.01.31.578263v1
Cognition is remarkably flexible; we are able to rapidly learn and perform many different tasks. The
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Feng-Kuei Chiang 江峰逵 @fkchiang89.bsky.social · 14/01/2024
www.nature.com/articles/s41...
nature.com
Behavioral fluctuation reflecting theta-rhythmic activation of sequential working memory - Scientifi...
Scientific Reports - Behavioral fluctuation reflecting theta-rhythmic activation of sequential working memory
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