Aditya Krishna
@adikrish.bsky.social
PhD student at Johns Hopkins Bat Lab | Hopkins Kavli NDI Distinguished Graduate Fellow| IISERMohali alum | NSB_MBL'22 | bats, spatial representation
Pinned
Aditya Krishna
@adikrish.bsky.social
· Aug 14
Auditory object representation in the bat hippocampus
Krishna et al. identify two populations of CA1 neurons that encode allocentric object
location or egocentric object distance but only when bats actively track a moving
target using echolocation. These...
www.cell.com
Super excited to share that the first work from my PhD is out in @currentbiology.bsky.social
www.cell.com/current-biol...
We tackle two fundamental questions:
1) How does the brain create a cognitive map solely using auditory information?
2)How does the hippocampus represent a moving object?
www.cell.com/current-biol...
We tackle two fundamental questions:
1) How does the brain create a cognitive map solely using auditory information?
2)How does the hippocampus represent a moving object?
Reposted by Aditya Krishna
Excited to share our paper now published in Cell!
'Zebrafish use spectral information to suppress the visual background'
Huge thanks to @neurofishh.bsky.social & @teuler.bsky.social
@cellpress.bsky.social @cp-cell.bsky.social
👇🏻
www.cell.com/cell/fulltex...
'Zebrafish use spectral information to suppress the visual background'
Huge thanks to @neurofishh.bsky.social & @teuler.bsky.social
@cellpress.bsky.social @cp-cell.bsky.social
👇🏻
www.cell.com/cell/fulltex...
Zebrafish use spectral information to suppress the visual background
Vertebrate eyes first evolved in water, where spectral content rapidly fades with
distance. Zebrafish exploit this loss by antagonizing cone signals to suppress the
background, pointing to distance es...
www.cell.com
November 4, 2025 at 9:16 AM
Excited to share our paper now published in Cell!
'Zebrafish use spectral information to suppress the visual background'
Huge thanks to @neurofishh.bsky.social & @teuler.bsky.social
@cellpress.bsky.social @cp-cell.bsky.social
👇🏻
www.cell.com/cell/fulltex...
'Zebrafish use spectral information to suppress the visual background'
Huge thanks to @neurofishh.bsky.social & @teuler.bsky.social
@cellpress.bsky.social @cp-cell.bsky.social
👇🏻
www.cell.com/cell/fulltex...
Reposted by Aditya Krishna
Proud to have contributed to @gaiabianchini.bsky.social and @flor-iacaruso.bsky.social new paper on how the superior colliculus temporally integrates multisensory information
Functional specialisation of multisensory temporal integration in the mouse superior colliculus - Nature Communications
Whether and how anatomically distinct regions of the superior colliculus (SC) exhibit specialisation in multisensory temporal integration to facilitate different behavioural responses are not fully un...
www.nature.com
November 3, 2025 at 9:17 AM
Proud to have contributed to @gaiabianchini.bsky.social and @flor-iacaruso.bsky.social new paper on how the superior colliculus temporally integrates multisensory information
Reposted by Aditya Krishna
Thrilled that our paper is out today in Nature!
www.nature.com/articles/s4...
www.nature.com/articles/s4...
Sensory expectations shape neural population dynamics in motor circuits
Nature - Experiments with human volunteers and macaques show that expectations produced by probabilistic cueing of future sensory inputs shape motor circuit dynamics in order to increase the...
www.nature.com
October 29, 2025 at 4:11 PM
Thrilled that our paper is out today in Nature!
www.nature.com/articles/s4...
www.nature.com/articles/s4...
Reposted by Aditya Krishna
Our new paper is now in BioRxiv ☺️
See how the auditory cortex encodes vocalizations before the bat produces them 📣🦇🧠
www.biorxiv.org/content/10.1...
with @talking-bat.bsky.social and Dennis Röhrig!
See how the auditory cortex encodes vocalizations before the bat produces them 📣🦇🧠
www.biorxiv.org/content/10.1...
with @talking-bat.bsky.social and Dennis Röhrig!
Neurons in the bat auditory cortex encode class and complexity of future vocalizations
Vocal production is a complex behavior across the animal kingdom that relies on coordinated motor and auditory networks. However, the contribution of sensory areas in vocal control remains poorly unde...
www.biorxiv.org
October 25, 2025 at 12:23 PM
Our new paper is now in BioRxiv ☺️
See how the auditory cortex encodes vocalizations before the bat produces them 📣🦇🧠
www.biorxiv.org/content/10.1...
with @talking-bat.bsky.social and Dennis Röhrig!
See how the auditory cortex encodes vocalizations before the bat produces them 📣🦇🧠
www.biorxiv.org/content/10.1...
with @talking-bat.bsky.social and Dennis Röhrig!
Reposted by Aditya Krishna
🧠🌟🐭 Excited to share some of my postdoc work on the evolution of dexterity!
We compared deer mice evolved in forest vs prairie habitats. We found that forest mice have:
(1) more corticospinal neurons (CSNs)
(2) better hand dexterity
(3) more dexterous climbing, which is linked to CSN number🧵
We compared deer mice evolved in forest vs prairie habitats. We found that forest mice have:
(1) more corticospinal neurons (CSNs)
(2) better hand dexterity
(3) more dexterous climbing, which is linked to CSN number🧵
October 22, 2025 at 8:41 PM
🧠🌟🐭 Excited to share some of my postdoc work on the evolution of dexterity!
We compared deer mice evolved in forest vs prairie habitats. We found that forest mice have:
(1) more corticospinal neurons (CSNs)
(2) better hand dexterity
(3) more dexterous climbing, which is linked to CSN number🧵
We compared deer mice evolved in forest vs prairie habitats. We found that forest mice have:
(1) more corticospinal neurons (CSNs)
(2) better hand dexterity
(3) more dexterous climbing, which is linked to CSN number🧵
Reposted by Aditya Krishna
The work with bats on barren, 7-acre Latham Island was Nachum Ulanovsky’s most complex undertaking yet.
By @claudia-lopez.bsky.social
#neuroskyence
www.thetransmitter.org/neuroetholog...
By @claudia-lopez.bsky.social
#neuroskyence
www.thetransmitter.org/neuroetholog...
October 16, 2025 at 6:15 PM
The work with bats on barren, 7-acre Latham Island was Nachum Ulanovsky’s most complex undertaking yet.
By @claudia-lopez.bsky.social
#neuroskyence
www.thetransmitter.org/neuroetholog...
By @claudia-lopez.bsky.social
#neuroskyence
www.thetransmitter.org/neuroetholog...
Reposted by Aditya Krishna
Neuroscience projects last several years, and you are usually a bit jaded by the time you wrap it up. Not this one– spending several months on an island in the middle of nowhere, away from all the craziness of the world reminds you how beautiful the world really is.
www.youtube.com/watch?v=46sv...
www.youtube.com/watch?v=46sv...
Bat Island: The New Era of Science
YouTube video by Weizmann Institute of Science
www.youtube.com
October 17, 2025 at 7:07 AM
Neuroscience projects last several years, and you are usually a bit jaded by the time you wrap it up. Not this one– spending several months on an island in the middle of nowhere, away from all the craziness of the world reminds you how beautiful the world really is.
www.youtube.com/watch?v=46sv...
www.youtube.com/watch?v=46sv...
Reposted by Aditya Krishna
Our latest study on the neurobiology of collective behavior is now posted as a preprint, led by UCSD PhD student Jo-Hsien Yu @anitajhyu.bsky.social @ucsandiego.bsky.social @danionella.bsky.social
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
September 30, 2025 at 7:36 PM
Our latest study on the neurobiology of collective behavior is now posted as a preprint, led by UCSD PhD student Jo-Hsien Yu @anitajhyu.bsky.social @ucsandiego.bsky.social @danionella.bsky.social
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Aditya Krishna
Insect spatial memory is thought to be based on panoramic snapshots that are modelled as retinotopic images. This idea won't allow a distinction of landmarks from the scene. Unexpectedly, our data suggest that 🐝 learn 3D-objects as individual landmarks. #neuroethology
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
September 28, 2025 at 10:54 AM
Insect spatial memory is thought to be based on panoramic snapshots that are modelled as retinotopic images. This idea won't allow a distinction of landmarks from the scene. Unexpectedly, our data suggest that 🐝 learn 3D-objects as individual landmarks. #neuroethology
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Aditya Krishna
1/5 How does the brain turn the low-dimensional, universal grid cell metric into the rich, diverse codes needed for memory in hippocampal place cells? 🧵
Preprint link 👇
www.biorxiv.org/content/10.1...
Preprint link 👇
www.biorxiv.org/content/10.1...
Functional independence of entorhinal grid cell modules enables remapping in hippocampal place cells
A systems-level understanding of cortical computation requires insight into how neural codes are transformed across distinct brain circuits. In the mammalian cortex, one of the few systems where such ...
www.biorxiv.org
September 25, 2025 at 4:06 AM
1/5 How does the brain turn the low-dimensional, universal grid cell metric into the rich, diverse codes needed for memory in hippocampal place cells? 🧵
Preprint link 👇
www.biorxiv.org/content/10.1...
Preprint link 👇
www.biorxiv.org/content/10.1...
Reposted by Aditya Krishna
1/
🚨 New preprint! 🚨
Excited and proud (& a little nervous 😅) to share our latest work on the importance of #theta-timescale spiking during #locomotion in #learning. If you care about how organisms learn, buckle up. 🧵👇
📄 www.biorxiv.org/content/10.1...
💻 code + data 🔗 below 🤩
#neuroskyence
🚨 New preprint! 🚨
Excited and proud (& a little nervous 😅) to share our latest work on the importance of #theta-timescale spiking during #locomotion in #learning. If you care about how organisms learn, buckle up. 🧵👇
📄 www.biorxiv.org/content/10.1...
💻 code + data 🔗 below 🤩
#neuroskyence
September 17, 2025 at 7:33 PM
1/
🚨 New preprint! 🚨
Excited and proud (& a little nervous 😅) to share our latest work on the importance of #theta-timescale spiking during #locomotion in #learning. If you care about how organisms learn, buckle up. 🧵👇
📄 www.biorxiv.org/content/10.1...
💻 code + data 🔗 below 🤩
#neuroskyence
🚨 New preprint! 🚨
Excited and proud (& a little nervous 😅) to share our latest work on the importance of #theta-timescale spiking during #locomotion in #learning. If you care about how organisms learn, buckle up. 🧵👇
📄 www.biorxiv.org/content/10.1...
💻 code + data 🔗 below 🤩
#neuroskyence
Reposted by Aditya Krishna
Thrilled to share that our work is now published in Science! ✨
We found a preference for visual objects in the mouse spatial navigation system where they dynamically refine head-direction coding. In short, objects boost our inner compass! 🧭
www.science.org/doi/10.1126/...
🧵1/
We found a preference for visual objects in the mouse spatial navigation system where they dynamically refine head-direction coding. In short, objects boost our inner compass! 🧭
www.science.org/doi/10.1126/...
🧵1/
September 11, 2025 at 8:14 PM
Thrilled to share that our work is now published in Science! ✨
We found a preference for visual objects in the mouse spatial navigation system where they dynamically refine head-direction coding. In short, objects boost our inner compass! 🧭
www.science.org/doi/10.1126/...
🧵1/
We found a preference for visual objects in the mouse spatial navigation system where they dynamically refine head-direction coding. In short, objects boost our inner compass! 🧭
www.science.org/doi/10.1126/...
🧵1/
Super excited to share that the first work from my PhD is out in @currentbiology.bsky.social
www.cell.com/current-biol...
We tackle two fundamental questions:
1) How does the brain create a cognitive map solely using auditory information?
2)How does the hippocampus represent a moving object?
www.cell.com/current-biol...
We tackle two fundamental questions:
1) How does the brain create a cognitive map solely using auditory information?
2)How does the hippocampus represent a moving object?
Auditory object representation in the bat hippocampus
Krishna et al. identify two populations of CA1 neurons that encode allocentric object
location or egocentric object distance but only when bats actively track a moving
target using echolocation. These...
www.cell.com
August 14, 2025 at 2:54 AM
Super excited to share that the first work from my PhD is out in @currentbiology.bsky.social
www.cell.com/current-biol...
We tackle two fundamental questions:
1) How does the brain create a cognitive map solely using auditory information?
2)How does the hippocampus represent a moving object?
www.cell.com/current-biol...
We tackle two fundamental questions:
1) How does the brain create a cognitive map solely using auditory information?
2)How does the hippocampus represent a moving object?
Reposted by Aditya Krishna
Excited to announce that my first postdoc paper is now online!
Links:
www.nature.com/articles/s41...
rdcu.be/eAcN7
In it, we examine the perennial question: what changes in the brain when learning a new motor skill?
Read more below to find out 👇
Links:
www.nature.com/articles/s41...
rdcu.be/eAcN7
In it, we examine the perennial question: what changes in the brain when learning a new motor skill?
Read more below to find out 👇
Differential kinematic coding in sensorimotor striatum across behavioral domains reflects different contributions to movement - Nature Neuroscience
Hardcastle and Marshall et al. show that striatal function is domain specific, required for task-related but not spontaneously expressed movements. This functional distinction is reflected in starkly ...
www.nature.com
August 12, 2025 at 6:26 PM
Excited to announce that my first postdoc paper is now online!
Links:
www.nature.com/articles/s41...
rdcu.be/eAcN7
In it, we examine the perennial question: what changes in the brain when learning a new motor skill?
Read more below to find out 👇
Links:
www.nature.com/articles/s41...
rdcu.be/eAcN7
In it, we examine the perennial question: what changes in the brain when learning a new motor skill?
Read more below to find out 👇
Reposted by Aditya Krishna
A new study by Forli, Fan, Qi & Yartsev 2025 shows that wingbeat cycle in bats is #rhythmic at 8Hz ❗❗& like the #rat #stepping, internal hippocampal representations can synchronize with the wingbeat phase.
➡️ Bat wingbeat www.nature.com/articles/s41...
➡️ Rat steps www.nature.com/articles/s41...
🦇🐀👀
➡️ Bat wingbeat www.nature.com/articles/s41...
➡️ Rat steps www.nature.com/articles/s41...
🦇🐀👀
Fig. 3: Oscillatory representation dynamics during flight and its relationship with the wing-beat cycle. | Nature
www.nature.com
August 2, 2025 at 9:40 AM
A new study by Forli, Fan, Qi & Yartsev 2025 shows that wingbeat cycle in bats is #rhythmic at 8Hz ❗❗& like the #rat #stepping, internal hippocampal representations can synchronize with the wingbeat phase.
➡️ Bat wingbeat www.nature.com/articles/s41...
➡️ Rat steps www.nature.com/articles/s41...
🦇🐀👀
➡️ Bat wingbeat www.nature.com/articles/s41...
➡️ Rat steps www.nature.com/articles/s41...
🦇🐀👀
Reposted by Aditya Krishna
🚨Very happy that my PhD work is now out in @nature.com!
We discovered that evolution, by acting in the midbrain, shifted the threshold to escape in Peromyscus mice, to fine-tune defensive strategies in different environments
www.nature.com/articles/s41...
This was a truly collaborative effort! 🧵⬇️
We discovered that evolution, by acting in the midbrain, shifted the threshold to escape in Peromyscus mice, to fine-tune defensive strategies in different environments
www.nature.com/articles/s41...
This was a truly collaborative effort! 🧵⬇️
July 23, 2025 at 3:06 PM
🚨Very happy that my PhD work is now out in @nature.com!
We discovered that evolution, by acting in the midbrain, shifted the threshold to escape in Peromyscus mice, to fine-tune defensive strategies in different environments
www.nature.com/articles/s41...
This was a truly collaborative effort! 🧵⬇️
We discovered that evolution, by acting in the midbrain, shifted the threshold to escape in Peromyscus mice, to fine-tune defensive strategies in different environments
www.nature.com/articles/s41...
This was a truly collaborative effort! 🧵⬇️