Feng-Kuei Chiang 江峰逵
@fkchiang89.bsky.social
Research scientist at CNS at NYU interested in WM, DM, and HRL with NHP PFC. Baseball ⚾ , Bowling 🎳 , and Foodie 🍜
Reposted by Feng-Kuei Chiang 江峰逵
Talk: Cognition is Emergent - Earl K. Miller
Neuroscience and Philosophy Salon, 9-12-25
youtu.be/Sk4ehOcsDmM?...
Neuroscience and Philosophy Salon, 9-12-25
youtu.be/Sk4ehOcsDmM?...
"Cognition is emergent" by Earl Miller
YouTube video by Neuroscience & Philosophy Salon
youtu.be
September 13, 2025 at 12:38 PM
Talk: Cognition is Emergent - Earl K. Miller
Neuroscience and Philosophy Salon, 9-12-25
youtu.be/Sk4ehOcsDmM?...
Neuroscience and Philosophy Salon, 9-12-25
youtu.be/Sk4ehOcsDmM?...
Reposted by Feng-Kuei Chiang 江峰逵
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...
www.nature.com/articles/s41...
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.
www.nature.com
June 3, 2025 at 11:01 AM
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...
www.nature.com/articles/s41...
Reposted by Feng-Kuei Chiang 江峰逵
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...
May 4, 2025 at 2:20 AM
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...
Reposted by Feng-Kuei Chiang 江峰逵
MLIB: an easy-to-use Matlab toolbox for the analysis of extracellular spike data https://www.biorxiv.org/content/10.1101/2025.03.25.645246v1
March 26, 2025 at 2:15 PM
MLIB: an easy-to-use Matlab toolbox for the analysis of extracellular spike data https://www.biorxiv.org/content/10.1101/2025.03.25.645246v1
Sequence chunking through neural encoding of ordinal positions www.sciencedirect.com/science/arti...
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…
www.sciencedirect.com
March 1, 2025 at 11:01 AM
Sequence chunking through neural encoding of ordinal positions www.sciencedirect.com/science/arti...
Reposted by Feng-Kuei Chiang 江峰逵
The geometry of the neural state space of decisions https://www.biorxiv.org/content/10.1101/2025.01.24.634806v1
January 26, 2025 at 1:20 AM
The geometry of the neural state space of decisions https://www.biorxiv.org/content/10.1101/2025.01.24.634806v1
Reposted by Feng-Kuei Chiang 江峰逵
All NIH study sections canceled indefinitely. This will halt science and devastate research budgets in universities.
January 22, 2025 at 8:46 PM
All NIH study sections canceled indefinitely. This will halt science and devastate research budgets in universities.
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...
www.nature.com/articles/s41...
January 21, 2025 at 3:34 PM
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...
www.nature.com/articles/s41...
Reposted by Feng-Kuei Chiang 江峰逵
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...
Our interpretation of the environment depends on our actions, constantly evolving as we pursue our goals
www.nature.com/articles/s41...
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.
www.nature.com
January 9, 2025 at 10:36 PM
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...
Our interpretation of the environment depends on our actions, constantly evolving as we pursue our goals
www.nature.com/articles/s41...
Reposted by Feng-Kuei Chiang 江峰逵
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
www.nature.com/articles/s41...
#neuroscience
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...
www.nature.com
January 9, 2025 at 6:02 PM
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
www.nature.com/articles/s41...
#neuroscience
Reposted by Feng-Kuei Chiang 江峰逵
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/
www.biorxiv.org/content/10.1...
🧠👩🏻🔬🧪🧵
#neuroskyence
1/
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...
www.biorxiv.org
January 4, 2025 at 4:25 PM
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/
www.biorxiv.org/content/10.1...
🧠👩🏻🔬🧪🧵
#neuroskyence
1/
Reposted by Feng-Kuei Chiang 江峰逵
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
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
January 1, 2025 at 1:56 PM
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
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
Reposted by Feng-Kuei Chiang 江峰逵
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
🧵
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
🧵
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...
www.youtube.com
December 13, 2024 at 11:33 AM
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
🧵
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
🧵
Reposted by Feng-Kuei Chiang 江峰逵
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/
@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/
November 14, 2024 at 3:08 PM
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/
@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/
Reposted by Feng-Kuei Chiang 江峰逵
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...
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...
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...
www.biorxiv.org
November 15, 2024 at 2:36 PM
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...
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...
Reposted by Feng-Kuei Chiang 江峰逵
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
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.
www.biorxiv.org
October 2, 2024 at 8:15 PM
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
Reposted by Feng-Kuei Chiang 江峰逵
Ventrolateral prefrontal cortex in macaques guides decisions in different learning contexts https://www.biorxiv.org/content/10.1101/2024.09.18.613767v1
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
www.biorxiv.org
September 19, 2024 at 10:16 AM
Ventrolateral prefrontal cortex in macaques guides decisions in different learning contexts https://www.biorxiv.org/content/10.1101/2024.09.18.613767v1
If you see this, quote post with a beach picture from your gallery.
🏖️☀️
🏖️☀️
September 1, 2024 at 10:42 AM
If you see this, quote post with a beach picture from your gallery.
🏖️☀️
🏖️☀️
Reposted by Feng-Kuei Chiang 江峰逵
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...
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...
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...
www.nature.com
August 29, 2024 at 5:24 PM
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...
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...
Reposted by Feng-Kuei Chiang 江峰逵
Dynamic coding and sequential integration of multiple reward attributes by primate amygdala neurons https://www.biorxiv.org/content/10.1101/2024.08.17.608391v1
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
www.biorxiv.org
August 18, 2024 at 6:15 AM
Dynamic coding and sequential integration of multiple reward attributes by primate amygdala neurons https://www.biorxiv.org/content/10.1101/2024.08.17.608391v1
Chunking!!
Hierarchical Working Memory and a New Magic Number https://www.biorxiv.org/content/10.1101/2024.08.14.607952v1
Hierarchical Working Memory and a New Magic Number https://www.biorxiv.org/content/10.1101/2024.08.14.607952v1
The extremely limited working memory span, typically around four items, contrasts sharply with our e
www.biorxiv.org
August 15, 2024 at 1:29 PM
Chunking!!
Reposted by Feng-Kuei Chiang 江峰逵
Optogenetic hedonic hotspots in orbitofrontal cortex and insula: causing enhancement of sweetness liking https://www.biorxiv.org/content/10.1101/2024.07.31.606067v1
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,
www.biorxiv.org
August 3, 2024 at 3:15 PM
Optogenetic hedonic hotspots in orbitofrontal cortex and insula: causing enhancement of sweetness liking https://www.biorxiv.org/content/10.1101/2024.07.31.606067v1
Reposted by Feng-Kuei Chiang 江峰逵
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
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
www.biorxiv.org
July 29, 2024 at 6:16 PM
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
Reposted by Feng-Kuei Chiang 江峰逵
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/jocn/article...
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...
direct.mit.edu
July 5, 2024 at 2:57 PM
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/jocn/article...
Reposted by Feng-Kuei Chiang 江峰逵
Mixed recurrent connectivity architecture in primate prefrontal cortex https://www.biorxiv.org/content/10.1101/2024.06.30.601443v1
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
www.biorxiv.org
July 3, 2024 at 1:15 AM
Mixed recurrent connectivity architecture in primate prefrontal cortex https://www.biorxiv.org/content/10.1101/2024.06.30.601443v1