Venkat Ramaswamy
@venkramaswamy.bsky.social
Theoretical Neuroscience, Deep Learning, & the space between.
Assistant Professor, Birla Institute of Technology & Science.
http://brain.bits-hyderabad.ac.in/venkat/
Assistant Professor, Birla Institute of Technology & Science.
http://brain.bits-hyderabad.ac.in/venkat/
Pinned
New fun paper with @mummani-nuthan.bsky.social
& @simran-ketha.bsky.social on disambiguating label predictions in Deep Networks that will appear in the
#NeurIPS_Conference 2024 - ATTRIB Workshop, in December.
Preprint: arxiv.org/abs/2410.19479
Tweeprint follows🧵
(1/N)
Please Repost.
& @simran-ketha.bsky.social on disambiguating label predictions in Deep Networks that will appear in the
#NeurIPS_Conference 2024 - ATTRIB Workshop, in December.
Preprint: arxiv.org/abs/2410.19479
Tweeprint follows🧵
(1/N)
Please Repost.
Reposted by Venkat Ramaswamy
[moments after creating my AI digital clone]
ME: alright clone, do my chores
CLONE-ME: no
US: my god, it worked
ME: alright clone, do my chores
CLONE-ME: no
US: my god, it worked
October 30, 2025 at 1:02 PM
[moments after creating my AI digital clone]
ME: alright clone, do my chores
CLONE-ME: no
US: my god, it worked
ME: alright clone, do my chores
CLONE-ME: no
US: my god, it worked
Reposted by Venkat Ramaswamy
Here at #Indian academy of #neuroscience meeting in the beautiful city of Kovalam in Kerala share.google/EzLqUeTwCeDw... ♥️
@sbaulac.bsky.social is giving the opening talk on brain mosaicism in epilepsy and cortical malformations #epilepsy.
@sbaulac.bsky.social is giving the opening talk on brain mosaicism in epilepsy and cortical malformations #epilepsy.
share.google
share.google
October 29, 2025 at 8:41 AM
Here at #Indian academy of #neuroscience meeting in the beautiful city of Kovalam in Kerala share.google/EzLqUeTwCeDw... ♥️
@sbaulac.bsky.social is giving the opening talk on brain mosaicism in epilepsy and cortical malformations #epilepsy.
@sbaulac.bsky.social is giving the opening talk on brain mosaicism in epilepsy and cortical malformations #epilepsy.
Reposted by Venkat Ramaswamy
Excited to have 2 papers accepted at @neuripsconf.bsky.social 2025 - Reliable ML Workshop.
Paper #1: openreview.net/forum?id=9Ue...
Paper #2: openreview.net/forum?id=0MW...
I’ll briefly summarize the work below.
(Links above if you want to get right to the papers)
THREAD 🧵
Please RT.
(1/N)
Paper #1: openreview.net/forum?id=9Ue...
Paper #2: openreview.net/forum?id=0MW...
I’ll briefly summarize the work below.
(Links above if you want to get right to the papers)
THREAD 🧵
Please RT.
(1/N)
October 24, 2025 at 5:08 PM
Excited to have 2 papers accepted at @neuripsconf.bsky.social 2025 - Reliable ML Workshop.
Paper #1: openreview.net/forum?id=9Ue...
Paper #2: openreview.net/forum?id=0MW...
I’ll briefly summarize the work below.
(Links above if you want to get right to the papers)
THREAD 🧵
Please RT.
(1/N)
Paper #1: openreview.net/forum?id=9Ue...
Paper #2: openreview.net/forum?id=0MW...
I’ll briefly summarize the work below.
(Links above if you want to get right to the papers)
THREAD 🧵
Please RT.
(1/N)
Excited to have 2 papers accepted at @neuripsconf.bsky.social 2025 - Reliable ML Workshop.
Paper #1: openreview.net/forum?id=9Ue...
Paper #2: openreview.net/forum?id=0MW...
I’ll briefly summarize the work below.
(Links above if you want to get right to the papers)
THREAD 🧵
Please RT.
(1/N)
Paper #1: openreview.net/forum?id=9Ue...
Paper #2: openreview.net/forum?id=0MW...
I’ll briefly summarize the work below.
(Links above if you want to get right to the papers)
THREAD 🧵
Please RT.
(1/N)
October 24, 2025 at 5:08 PM
Excited to have 2 papers accepted at @neuripsconf.bsky.social 2025 - Reliable ML Workshop.
Paper #1: openreview.net/forum?id=9Ue...
Paper #2: openreview.net/forum?id=0MW...
I’ll briefly summarize the work below.
(Links above if you want to get right to the papers)
THREAD 🧵
Please RT.
(1/N)
Paper #1: openreview.net/forum?id=9Ue...
Paper #2: openreview.net/forum?id=0MW...
I’ll briefly summarize the work below.
(Links above if you want to get right to the papers)
THREAD 🧵
Please RT.
(1/N)
Reposted by Venkat Ramaswamy
Thrilled to share this work, long time in the making! Carried through creatively by @siddjakes.bsky.social after initial design & piloting by @trackingskills.bsky.social, with help from @trackingactions.bsky.social. Modeling in collaboration with Massimo Vergassola & Nicola Rigolli.
Mice navigate scent trails using predictive policies
Animals actively sense their environment to extract features of interest to guide behaviors. For mammals, odors are prominent environmental features which are sampled by active modulation of sniffing ...
www.biorxiv.org
September 1, 2025 at 7:06 PM
Thrilled to share this work, long time in the making! Carried through creatively by @siddjakes.bsky.social after initial design & piloting by @trackingskills.bsky.social, with help from @trackingactions.bsky.social. Modeling in collaboration with Massimo Vergassola & Nicola Rigolli.
September 1, 2025 at 11:31 AM
"Early to bed, early to rise, work like hell, and advertise."
-Ted Turner
-Ted Turner
August 23, 2025 at 5:34 PM
"Early to bed, early to rise, work like hell, and advertise."
-Ted Turner
-Ted Turner
Reposted by Venkat Ramaswamy
Will start my posts here with a preprint!
First preprint from my postdoctoral work—where we redefine and remap the isocortical efferent projectome through two foundational neurogenic mechanisms.
*
(1/5)
First preprint from my postdoctoral work—where we redefine and remap the isocortical efferent projectome through two foundational neurogenic mechanisms.
*
(1/5)
Distinct neurogenic pathways shape the diversification and mosaic organization of cortical output channels https://www.biorxiv.org/content/10.1101/2025.07.18.665624v1
July 25, 2025 at 10:45 AM
Will start my posts here with a preprint!
First preprint from my postdoctoral work—where we redefine and remap the isocortical efferent projectome through two foundational neurogenic mechanisms.
*
(1/5)
First preprint from my postdoctoral work—where we redefine and remap the isocortical efferent projectome through two foundational neurogenic mechanisms.
*
(1/5)
Reposted by Venkat Ramaswamy
Our new paper out now in Science explores how neural activity in the lateral entorhinal cortex (LEC) *drifts* over time - and *jumps* at key boundaries - to help organize events in memory.
🔗 www.science.org/doi/10.1126/...
Here's a quick summary of what we found 🧵👇
🔗 www.science.org/doi/10.1126/...
Here's a quick summary of what we found 🧵👇
June 26, 2025 at 6:15 PM
Our new paper out now in Science explores how neural activity in the lateral entorhinal cortex (LEC) *drifts* over time - and *jumps* at key boundaries - to help organize events in memory.
🔗 www.science.org/doi/10.1126/...
Here's a quick summary of what we found 🧵👇
🔗 www.science.org/doi/10.1126/...
Here's a quick summary of what we found 🧵👇
Reposted by Venkat Ramaswamy
(1/7) New preprint from Rajan lab! 🧠🤖
@ryanpaulbadman1.bsky.social & Riley Simmons-Edler show–through cog sci, neuro & ethology–how an AI agent with fewer ‘neurons’ than an insect can forage, find safety & dodge predators in a virtual world. Here's what we built
Preprint: arxiv.org/pdf/2506.06981
@ryanpaulbadman1.bsky.social & Riley Simmons-Edler show–through cog sci, neuro & ethology–how an AI agent with fewer ‘neurons’ than an insect can forage, find safety & dodge predators in a virtual world. Here's what we built
Preprint: arxiv.org/pdf/2506.06981
July 2, 2025 at 6:34 PM
(1/7) New preprint from Rajan lab! 🧠🤖
@ryanpaulbadman1.bsky.social & Riley Simmons-Edler show–through cog sci, neuro & ethology–how an AI agent with fewer ‘neurons’ than an insect can forage, find safety & dodge predators in a virtual world. Here's what we built
Preprint: arxiv.org/pdf/2506.06981
@ryanpaulbadman1.bsky.social & Riley Simmons-Edler show–through cog sci, neuro & ethology–how an AI agent with fewer ‘neurons’ than an insect can forage, find safety & dodge predators in a virtual world. Here's what we built
Preprint: arxiv.org/pdf/2506.06981
Reposted by Venkat Ramaswamy
Our computer vision textbook is now available for free online here:
visionbook.mit.edu
We are working on adding some interactive components like search and (beta) integration with LLMs.
Hope this is useful and feel free to submit Github issues to help us improve the text!
visionbook.mit.edu
We are working on adding some interactive components like search and (beta) integration with LLMs.
Hope this is useful and feel free to submit Github issues to help us improve the text!
Foundations of Computer Vision
The print version was published by
visionbook.mit.edu
June 15, 2025 at 3:45 PM
Our computer vision textbook is now available for free online here:
visionbook.mit.edu
We are working on adding some interactive components like search and (beta) integration with LLMs.
Hope this is useful and feel free to submit Github issues to help us improve the text!
visionbook.mit.edu
We are working on adding some interactive components like search and (beta) integration with LLMs.
Hope this is useful and feel free to submit Github issues to help us improve the text!
Reposted by Venkat Ramaswamy
Exendin-4, the first GLP1 receptor agonist on market came from Gila Monster's venom that contains a mammalian GLP1 homolog. Without it we wouldn’t have had the current medical revolution that Ozempic etc. wrought.
Isolation and characterization of exendin-4, an exendin-3 analogue, from Heloderma suspectum venom. Further evidence for an exendin receptor on dispersed acini from guinea pig pancreas.
The recent identification in Heloderma horridum venom of exendin-3, a new member of
the glucagon superfamily that acts as a pancreatic secretagogue, prompted a search
for a similar peptide in Heloderm...
www.jbc.org
June 9, 2025 at 4:05 AM
Exendin-4, the first GLP1 receptor agonist on market came from Gila Monster's venom that contains a mammalian GLP1 homolog. Without it we wouldn’t have had the current medical revolution that Ozempic etc. wrought.
Reposted by Venkat Ramaswamy
Almost all Nobel Prizes are awarded for work that is exploratory, or absolutely basic science with no obvious commercial or medical benefit.
You cannot predict where advancements come from, so you have to invest in science and scientists.
Targeted (corporate) science investment will never do this.
You cannot predict where advancements come from, so you have to invest in science and scientists.
Targeted (corporate) science investment will never do this.
Reminder: Nobel-prize winning PCR (1983), used in basically all genetic tech today, was only possible because of extremophile bacterium discovered in 1964 in Yellowstone funded by a small ~$80k NSF grant with no obvious application at the time. #science 🧪
www.richmondscientific.com/how-a-discov...
www.richmondscientific.com/how-a-discov...
How a discovery in Yellowstone National Park led to the development of PCR - Richmond Scientific
A discovery in Yellowstone National Park led to the development of PCR, the gold-standard COVID-19 tests used to fight the global pandemic.
www.richmondscientific.com
June 8, 2025 at 10:26 PM
Almost all Nobel Prizes are awarded for work that is exploratory, or absolutely basic science with no obvious commercial or medical benefit.
You cannot predict where advancements come from, so you have to invest in science and scientists.
Targeted (corporate) science investment will never do this.
You cannot predict where advancements come from, so you have to invest in science and scientists.
Targeted (corporate) science investment will never do this.
Reposted by Venkat Ramaswamy
We just pushed “Memory by a 1000 rules” onto bioRxiv, where we use clever #ML to find #plasticity quadruplets (EE, EI, IE, II) that learn basic stability in spiking nets. Why is it cool? We find 1000s!! of solutions, and they don’t just stabilise. They #memorise! www.biorxiv.org/content/10.1...
Memory by a thousand rules: Automated discovery of functional multi-type plasticity rules reveals variety & degeneracy at the heart of learning
Synaptic plasticity is the basis of learning and memory, but the link between synaptic changes and neural function remains elusive. Here, we used automated search algorithms to obtain thousands of str...
www.biorxiv.org
June 2, 2025 at 6:50 PM
We just pushed “Memory by a 1000 rules” onto bioRxiv, where we use clever #ML to find #plasticity quadruplets (EE, EI, IE, II) that learn basic stability in spiking nets. Why is it cool? We find 1000s!! of solutions, and they don’t just stabilise. They #memorise! www.biorxiv.org/content/10.1...
Reposted by Venkat Ramaswamy
New “version of record” in @elife.bsky.social!
We recorded neurons in the thalamus and subthalamic nucleus of humans and found both sensory- and perception-selective neurons with two distinct latencies!
7-year project with @nfaivre.bsky.social + @foscobernasconi.bsky.social.
A short thread 👇
We recorded neurons in the thalamus and subthalamic nucleus of humans and found both sensory- and perception-selective neurons with two distinct latencies!
7-year project with @nfaivre.bsky.social + @foscobernasconi.bsky.social.
A short thread 👇
Subcortical correlates of consciousness with human single neuron recordings
Subcortical brain structures contain neurons encoding subjective reports of stimulus detection in human participants, suggesting a role for conscious perception.
elifesciences.org
June 1, 2025 at 4:35 PM
New “version of record” in @elife.bsky.social!
We recorded neurons in the thalamus and subthalamic nucleus of humans and found both sensory- and perception-selective neurons with two distinct latencies!
7-year project with @nfaivre.bsky.social + @foscobernasconi.bsky.social.
A short thread 👇
We recorded neurons in the thalamus and subthalamic nucleus of humans and found both sensory- and perception-selective neurons with two distinct latencies!
7-year project with @nfaivre.bsky.social + @foscobernasconi.bsky.social.
A short thread 👇
Reposted by Venkat Ramaswamy
This! This the type of work that makes me so optimistic that the next 3 decades of brain research will be more impactful that the last for understanding/treating mental conditions. We finally have the right measurement tools & analyses (eg for emotion).
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Conserved brain-wide emergence of emotional response from sensory experience in humans and mice
Emotional responses to sensory experience are central to the human condition in health and disease. We hypothesized that principles governing the emergence of emotion from sensation might be discovera...
www.science.org
June 1, 2025 at 2:44 PM
This! This the type of work that makes me so optimistic that the next 3 decades of brain research will be more impactful that the last for understanding/treating mental conditions. We finally have the right measurement tools & analyses (eg for emotion).
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Reposted by Venkat Ramaswamy
#neuroskyence What are your favorite papers on the idea of redundancy in the brain? E.g. how a different neural circuit can step in when the "original" is damaged? Or just how the same function can be executed in different ways within the same brain?
May 30, 2025 at 4:05 PM
#neuroskyence What are your favorite papers on the idea of redundancy in the brain? E.g. how a different neural circuit can step in when the "original" is damaged? Or just how the same function can be executed in different ways within the same brain?
Reposted by Venkat Ramaswamy
📣 Join us at IBM Research for a PhD position on Reliable Multimodal LLMs, combining language, vision & advanced reasoning!
Located in Zurich🇨🇭 & co-supervised by @katjahose.bsky.social at TU Vienna🇦🇹 as part of the cool new MSCA ARMADA Doctoral Network
Apply at www.zurich.ibm.com/careers/2025...
🧪
Located in Zurich🇨🇭 & co-supervised by @katjahose.bsky.social at TU Vienna🇦🇹 as part of the cool new MSCA ARMADA Doctoral Network
Apply at www.zurich.ibm.com/careers/2025...
🧪
May 22, 2025 at 7:57 PM
📣 Join us at IBM Research for a PhD position on Reliable Multimodal LLMs, combining language, vision & advanced reasoning!
Located in Zurich🇨🇭 & co-supervised by @katjahose.bsky.social at TU Vienna🇦🇹 as part of the cool new MSCA ARMADA Doctoral Network
Apply at www.zurich.ibm.com/careers/2025...
🧪
Located in Zurich🇨🇭 & co-supervised by @katjahose.bsky.social at TU Vienna🇦🇹 as part of the cool new MSCA ARMADA Doctoral Network
Apply at www.zurich.ibm.com/careers/2025...
🧪
Reposted by Venkat Ramaswamy
Hi Bluesky! First post here. Kicking things off with a new preprint.
🧠 Using human iEEG + pharmacology, we asked: is hippocampal theta required for retrieval?
Turns out it’s not. Instead, it may reflect a reinstated encoding mode.
Thread below.
www.biorxiv.org/content/10.1...
🧠 Using human iEEG + pharmacology, we asked: is hippocampal theta required for retrieval?
Turns out it’s not. Instead, it may reflect a reinstated encoding mode.
Thread below.
www.biorxiv.org/content/10.1...
Cholinergic blockade reveals role for human hippocampal theta in encoding but not retrieval
Cholinergic dysfunction is a hallmark of Alzheimer's disease and other memory disorders. Yet, the neurophysiological mechanisms linking cholinergic signaling to memory remain poorly understood. In thi...
www.biorxiv.org
May 14, 2025 at 2:55 PM
Hi Bluesky! First post here. Kicking things off with a new preprint.
🧠 Using human iEEG + pharmacology, we asked: is hippocampal theta required for retrieval?
Turns out it’s not. Instead, it may reflect a reinstated encoding mode.
Thread below.
www.biorxiv.org/content/10.1...
🧠 Using human iEEG + pharmacology, we asked: is hippocampal theta required for retrieval?
Turns out it’s not. Instead, it may reflect a reinstated encoding mode.
Thread below.
www.biorxiv.org/content/10.1...
Reposted by Venkat Ramaswamy
Very interesting use of X-rays for connectomics!
Linking function and structure at scale with X-rays - and several times over. Massive congratulations to the team @yuxinzhang.bsky.social, @carlesbosch.bsky.social, @apacureanu.bsky.social @esrf.fr, @crick.ac.uk and all our collaborators.
My PhD project is out as a preprint!
We combined 2P and synchrotron X-ray to understand mouse olfactory bulb circuits, linking physiology to structure in 3 animals!
doi.org/10.1101/2025...
🙌 @carlesbosch.bsky.social, @apacureanu.bsky.social, @andreas-t-schaefer.bsky.social, @esrf.fr, @crick.ac.uk
We combined 2P and synchrotron X-ray to understand mouse olfactory bulb circuits, linking physiology to structure in 3 animals!
doi.org/10.1101/2025...
🙌 @carlesbosch.bsky.social, @apacureanu.bsky.social, @andreas-t-schaefer.bsky.social, @esrf.fr, @crick.ac.uk
May 2, 2025 at 4:15 AM
Very interesting use of X-rays for connectomics!
Reposted by Venkat Ramaswamy
i have uploaded this preprint a while back, but hadn't promoted it directly here. in this piece i explain why i can no longer recommend trainees to participate in my former home field.
The End of Conscioussness - osf.io/preprints/ps...
but i've learned a lot. thank you for everything.
🧠📈
The End of Conscioussness - osf.io/preprints/ps...
but i've learned a lot. thank you for everything.
🧠📈
OSF
osf.io
April 30, 2025 at 11:18 PM
i have uploaded this preprint a while back, but hadn't promoted it directly here. in this piece i explain why i can no longer recommend trainees to participate in my former home field.
The End of Conscioussness - osf.io/preprints/ps...
but i've learned a lot. thank you for everything.
🧠📈
The End of Conscioussness - osf.io/preprints/ps...
but i've learned a lot. thank you for everything.
🧠📈
Reposted by Venkat Ramaswamy
I wrote a thing for @thetransmitter.bsky.social. The attack on scientific infrastructure happening in the US shows that relying on any one country is not a good option for science. We need to start supporting and building international, decentralised infrastructure for science.
Scientific data and independence are at risk: We need to work with community-driven services and university libraries to create new multi-country organizations that are resilient to political interference.
By @neuralreckoning.bsky.social
#neuroskyence
www.thetransmitter.org/policy/scien...
By @neuralreckoning.bsky.social
#neuroskyence
www.thetransmitter.org/policy/scien...
Science must step away from nationally managed infrastructure
Scientific data and independence are at risk. We need to work with community-driven services and university libraries to create new multi-country organizations that are resilient to political…
www.thetransmitter.org
February 20, 2025 at 5:21 PM
I wrote a thing for @thetransmitter.bsky.social. The attack on scientific infrastructure happening in the US shows that relying on any one country is not a good option for science. We need to start supporting and building international, decentralised infrastructure for science.
Today, I modified the definition of plagiarism to keep with the times
February 15, 2025 at 3:05 PM
Today, I modified the definition of plagiarism to keep with the times