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...

Really excited to share this Opinion piece we've been working on with fellow head-direction cell geeks @apeyrache.bsky.social @desdemonafricker.bsky.social and (bsky-less?) Andrea Burgalossi! While head-direction cells pop up in many cortical regions, we think that one of them is quite unique (1/8)

🌟 Apply to lead a lab at Janelia 🌟 We’re #hiring Group Leaders in our Computation & Theory research area. 🔹 5-year renewable appointment 🔹 Internal funding + generous resources 🔹 Collaboration across disciplines 📅 Apply by Nov. 4 👉 https://janelia.link/groupleader

Excited to share our new #biorxivpreprint: “Sexual dimorphism in the complete connectome of the Drosophila male central nervous system” www.biorxiv.org/content/10.1... We describe the #connectomics reconstruction and analysis of an entire adult #maleCNS #drosophila central nervous system. 1/10

🧠 A new wiring diagram of the 166,000+ neurons in the brain & nerve cord of a male fruit fly is a key tool in uncovering how the brain enables complex behavior—information that could ultimately help scientists better understand what causes different diseases ➡️ https://hhmi.news/4o3EJnk

We're very proud to be releasing the complete male fly CNS connectome! It's the product of a huge team effort here at Janelia in partnership with the Cambridge Fly Connectomics group (@jefferis.bsky.social and colleagues), plus invaluable collaborators. More soon... www.janelia.org/project-team...

Exciting news for #drosophila #connectomics and #neuroscience enthusiasts: the Drosophila male central nervous system connectome is now live for exploration. Find out more at the landing page hosted by our Janelia FlyEM collaborators www.janelia.org/project-team....

1/8 How can the brain create countless unique memories using a single, universal metric of space? We’ve been waiting for the answer to this for two decades! Read it here: www.biorxiv.org/content/10.1...

I’m super excited to finally put my recent work with @behrenstimb.bsky.social on bioRxiv, where we develop a new mechanistic theory of how PFC structures adaptive behaviour using attractor dynamics in space and time! www.biorxiv.org/content/10.1...

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New from @katejj.bsky.social group!

Finally preprinted! TL;DR: thalamic head-direction neurons can shape their activity regardless of input. Big thanks to @apeyrache.bsky.social and master experimentalist @sskromne.bsky.social .

🚨New preprint alert! The thalamus has long been seen as a relay of sensory signals to cortex. But could it also generate its own structured activity? Our study explores this question in the head-direction (HD) system. Some explanation 🧵👇 1/13 www.biorxiv.org/content/10.1...

*New preprint from the lab* – “Granularity of thalamic head direction cells” doi.org/10.1101/2025... 🧠📈 🧪 1/11

Thanks Misha for the shout-out! It has been a truly mind-opening journey. WHOLISTIC is one step towards whole-organism neuroscience and a true physiological observatory - with extensions on the way! I am continually amazed by what the data reveals - so much remains to be discovered and mined.

Preprint - Excited to present WHOLISTIC, which extends the concept of whole-brain functional imaging to the entire body. Pioneering work by incredibly talented Virginia Ruetten @vmsruetten.bsky.social, this platform reveals whole-organism cellular dynamics in vivo. www.biorxiv.org/content/10.1...

I am very thankful for the support from the Department of Biological Sciences and Dartmouth @dartmouthartsci.bsky.social for supporting my interdisciplinary research vision! We are recruiting Post Docs and Grad Students to join this exciting endeavor!

📢We're #hiring Group Leaders! Apply to lead a lab at Janelia & advance biology using theory, computational modeling & machine learning. 🔹5-year renewable appointment 🔹Pioneer new tools & approaches 🔹Collaborate across disciplines Apply by Nov. 4👉 https://janelia.link/groupleader

My first paper with @naoshigeuchida.bsky.social is finally out in @natcomms.nature.com ! rdcu.be/eACGf TL;DR: asymmetric learning rates can be induced by shifts in tonic dopamine giving rise to pessimistic/optimistic biases in agents or animals undergoing reinforcement learning .

How is the nervous system organized to coordinate behavior? To approach this massive question, a team led by @asbates.bsky.social, @jasper-tms.bsky.social, @mindyisminsu.bsky.social, & Helen Yang present the BANC: a Brain and Nerve Cord connectome. Preprint: doi.org/10.1101/2025... 🧪#Neuroskyence

New preprint from Yipei Guo and Ann Hermundstad (@hhmijanelia.bsky.social) - a wonderfully in-depth investigation into environmental variability and optimal behavioural strategies.

🪰 A new ‘Eyemap’ developed by a team led by Arthur Zhao & @michaelreiser.bsky.social reveals how visual information detected by the fly’s eye shows up in neurons deep in the brain. Remarkably, the eye’s shape determines how flies see motion.👁️ 🔗 hhmi.news/4kSZjou

What does a neural network look like? Maybe like this view of Larissa Heinrich's U-net for organelle segmentation, with edges between layer inputs and outputs. Want to help build networks like this? Join #HHMIJanelia's new AI initiative as a data engineer: hhmi.wd1.myworkdayjobs.com/en-US/Extern...

🧠 Excited by synapse-level brain mapping? Join us at a world-class institute to build molecular tools based on our new #LICONN work — and push the frontier of #MolecularConnectomics. Let’s decode the brain, one synapse at a time. hhmi.wd1.myworkdayjobs.com/en-US/Extern...

Super excited to announce a follow-up to the Janelia 'mechanistic basis of foraging' conference - this time held in Birmingham, UK! Join us from the 3rd - 5th November to discuss all things foraging: uobevents.eventsair.com/the-mechanis...

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 🧵👇

Out today in @nature.com: we show that individual neurons have diverse tuning to a decision variable computed by the entire population, revealing a unifying geometric principle for the encoding of sensory and dynamic cognitive variables. www.nature.com/articles/s41...

1/N How do neural dynamics in motor cortex interact with those in subcortical networks to flexibly control movement? I’m beyond thrilled to share our work on this problem, led by Eric Kirk @eric-kirk.bsky.social with help from Kangjia Cai! www.biorxiv.org/content/10.1...

Cleaning up disk space, I found this image I made for someone not long after the release of the #HHMIJanelia #Drosophila hemibrain #connectome in 2020. It shows EPG neurons in pink providing inputs to PFL1 neurons in transparent grey. I'm not sure if the image was ever used.

It's officially published!! In my main postdoc work with @markplitt.bsky.social and @lgiocomo.bsky.social, we found that the hippocampus simultaneously encodes an animal's spatial position and its experience relative to reward in parallel population codes. 🧵 www.nature.com/articles/s41...

I've spent much of my PhD thinking about E/I balance, and our latest preprint represents the culmination of that journey. Huge thanks to @fzenke.bsky.social for guiding me. Looking forward to your thoughts & comments.

As I transitioned from studying Drosophila to the larval zebrafish, I have been noticing a lot of interesting parallels between their visual systems (esp. tectum vs. lobula), which I feel are not talked about enough. We explored these analogies in depth in our latest review: tinyurl.com/3hvkhsyk

Hey spinal/ventral nerve cord folks. we’re organizing this cross species “cords” meeting @hhmijanelia.bsky.social . Hurry up and upload your abstracts. As a trainee these were my favorite meetings (small and focused) where I got the most useful feedback. DM in case of any Qs.

Light-microscopy-based connectomic reconstruction of mammalian brain tissue rdcu.be/ek8GG Wow! 😍

"..rostral Anterior Cingulate Cortex develops a highly structured yet compact, scalable representation anchored in states at the start and end of self-organized sequences." Cognitive Graphs of Latent Structure in Rostral Anterior Cingulate Cortex www.biorxiv.org/content/10.1...

Excited to share my PhD paper is out! We studied how motion vision is processed beyond the optic lobes to help flies walk straight. It has been a wonderful collaboration with @michaelreiser.bsky.social, @dddavi.bsky.social and many others not in bluesky! Paper + digest here: bsky.app/profile/cham...

Very happy to see our work finally in print! www.pnas.org/doi/10.1073/... TLDR: Tilt illusion is not a bug, but a feature of a well-designed visual system that maximizes information capacity adaptively based on spatial context. (1/6)

Check out my new preprint: www.biorxiv.org/content/10.1... Here I run a bunch of psychophysics experiments to better understand how the larval zebrafish🐟 remember the past optic flow in the context of stabilization behaviors.

How can AI help you to analyze your microscopy images? Find out at the "Machine Learning for Microscopy Image Analysis" course at the @mblscience.bsky.social in Woods Hole from Aug 22-Sep 6! Applications are due 🚨 April 30 🚨 Read on for more! 👇 www.mbl.edu/education/ad...

Yay - the extensive review Ansgar Büschges and I wrote on insect motor control and the many things insects can teach us about our own nervous systems just came out in Physiological Reviews @apsphysiology.bsky.social. Check it out - it's free: journals.physiology.org/doi/epdf/10....

Excited to share the sequel to our 2022 paper! In this follow-up, we show that the stable head direction (HD) signals we reported in blind mice rely on stereo olfaction—that is, the comparison of odor info. between the two nostrils. Link: www.nature.com/articles/s41... 🧵highlights below

🚨new paper alert Blind mice use stereo olfaction, comparing smells between nostrils, to maintain a stable sense of direction. Blocking this ability disrupts their internal compass. Kudos to @kasumbisa.bsky.social! Another cool chapter of the Trenholm-Peyrache collab😉 www.nature.com/articles/s41...

If you want to feel small and insignificant, stare up at the stars in the sky. If you want to feel how immensely profound, impossibly complex, and just outright improbable your existence is, gaze at the stars in this 1mm^3 cube and realize it's less than a millionth the volume of your own brain.

It's been done for a while, accepted almost a year ago, but I'm happy to share that my first analysis of the MICrONs cubic mm dataset is online! nature.com/articles/s41...

I am proud to share that our work of 4+ years has finally been published. We wondered if there are distinct behaviors that mark sleep in 🪰, where sleep has been defined as prolonged immobility. 🔗 www.science.org/doi/10.1126/...

🥼 Janelia researchers led by @boazmohar.bsky.social @nspruston.bsky.social @rhodamine110.bsky.social & @svoboda314.bsky.social @alleninstitute.bsky.social have developed a new imaging tool that maps brain-wide changes in neuronal connections. 🧠 🔗 www.janelia.org/news/new-ima...

I know there's a 𝒍𝒐𝒕 going on right now, but I couldn’t be prouder to share this long-incubated labor of love: the complete connectome of the male 𝐷𝑟𝑜𝑠𝑜𝑝ℎ𝑖𝑙𝑎 optic lobe 🧠🪰 🔗 www.nature.com/articles/s41...

Excited to share our latest paper: “Phase Precession Relative to Turning Angle in Theta-Modulated Head Direction Cells” together with Dr. Eleonora Lomi (co-first author) Prof. @katejj.bsky.social Prof. Anna Mitchell and Prof. @neilburgess10.bsky.social doi.org/10.1002/hipo...

My lab's senior tech is heading to grad school 🥳so we @BrandeisNeuro have an opening for a Research Technician. It is an ideal position for someone interested in uncovering how our brains learn within a young and collaborative team. Pls spread the news. brandeis.wd5.myworkdayjobs.com/Jobs/job/Bra...

How does a neuron get its activity? 👀 Check out our latest preprint, where we tracked the activity of the same neurons throughout early postnatal development: www.biorxiv.org/content/10.1... see 🧵 (1/?)