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Posts by Lukas Groschner

Can a single brain cell decide whether to eat or not? ๐Ÿง ๐Ÿชฐ

Turns out... yes. And we found it in the fruit fly.
A pair of neurons called SELKs (subesophageal leucokinin neurons) can drive feeding behavior in both directions. They promote it or suppress it. Here's how: ๐Ÿงต

1 day ago 30 14 2 0
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Spatial, temporal and Notch determination of terminal selector expression controls neuronal cell fate in the Drosophila optic lobe - Nature Neuroscience The authors characterized the spatial origin of Drosophila medulla neurons, completing their previous characterization of the temporal and Notch origins of these neurons and allowing them to correlate...

Fรฉlix Simon's paper is out in its final form ๐Ÿ˜
When we got into (extreme) detail in the temporal and spatial patterning of neuroblasts, Fรฉlix asked a simple question "sure, but how does this translate into neuronal cell fate?". www.nature.com/articles/s41...

4 days ago 42 23 3 3
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New @currentbiology.bsky.social paper from Dr. Leila Elabbady on neural circuits that transform a touch stimulus into spatially targeted grooming.

Leila discovered a leg somatotopic map and used it to infer tactile receptive fields in the fly VNC connectome.

authors.elsevier.com/a/1mvu83QW8S...

4 days ago 52 20 3 0

New preprint with @sevberg.bsky.social! We map Hopfield-like binary networks onto spiking networks with dendrites โ€ฆ and it works! Same memory capacity, bigger basins of attraction, plus selective recall through dendritic gating, and more. How? Dendrites! See below.

1 week ago 28 12 1 2
Two positions as Associate Senior Lecturer/Assistant Professor in Computational Science We are looking for an up-and-coming researcher who wants to conduct pioneering research to take up a position as Assistant Professor in Computational Science. Computational science research is conduct

Are you a computational scientist? Within 7 years of your PhD? Come join us at Lund University! We have two new positions as assistant professor! Deadline: 25th of May. The advert is broad, but this is your chance to push computational neuroscience in a fantastic place!
lu.varbi.com/en/what:job/...

1 week ago 11 17 0 1

๐ŸŽ‰New paper out from the lab, led by @baptistepiqueret.bsky.social: ant larvae chemically suppress the reproduction of their caregivers. bit.ly/4t8uZLG
An example of how social interactions are regulated at the molecular level. The work was made possible by the unique environment @mpi-ce.bsky.social

1 week ago 40 14 0 1
๐Ÿง  Johannes Kohl | Eric Kandel Young Neuroscientists Prize Lecture


๐ŸŒŸ At #FENS2026, join the Eric Kandel Young Neuroscientists Prize Lecture by Johannes Kohl, The Francis Crick Institute, on 9 July!


๐Ÿ”ฌ His lab integrates behavioural, systems and cellular approaches to uncover how internal states shape brain function and support adaptive social behaviour.


๐Ÿ† In 2025, he was awarded the Eric Kandel Young Neuroscientists Prize. His work has also been supported by EMBO, HFSP and Wellcome Trust, and received the Eppendorf and Science Prize for Neurobiology.


Meet all the speakers ๐Ÿ‘‰ https://buff.ly/wQ8V4Ha

๐Ÿง  Johannes Kohl | Eric Kandel Young Neuroscientists Prize Lecture ๐ŸŒŸ At #FENS2026, join the Eric Kandel Young Neuroscientists Prize Lecture by Johannes Kohl, The Francis Crick Institute, on 9 July! ๐Ÿ”ฌ His lab integrates behavioural, systems and cellular approaches to uncover how internal states shape brain function and support adaptive social behaviour. ๐Ÿ† In 2025, he was awarded the Eric Kandel Young Neuroscientists Prize. His work has also been supported by EMBO, HFSP and Wellcome Trust, and received the Eppendorf and Science Prize for Neurobiology. Meet all the speakers ๐Ÿ‘‰ https://buff.ly/wQ8V4Ha

๐Ÿง  Johannes Kohl | Eric Kandel Young Neuroscientists Prize Lecture

๐ŸŒŸ At #FENS2026, join the Eric Kandel Young Neuroscientists Prize Lecture by Johannes Kohl, @crick.ac.uk, on 9 July!

Meet all the speakers ๐Ÿ‘‰ buff.ly/wQ8V4Ha

1 week ago 18 9 1 1
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1/8. New preprint! โœจ

How spontaneous is spontaneous behavior? ๐Ÿง ๐Ÿญ

We found that whole-brain fUSi signals predicted spontaneous behavioral transitions seconds in advance. Inhibiting one node of this transition-prone state, the medial septum, facilitated switching!

www.biorxiv.org/content/10.6...

1 week ago 59 21 2 2

Some of you saw a preview of this result at my Cosyne talk last week. We may have had too much fun working on this worm-fly model ๐Ÿคฃ๐Ÿค“๐Ÿคฃ

(The digital sphinx may be imagery, but the lessons are real.)

4 weeks ago 64 11 0 2
Graphical abstract showing that NMDAR immunisation drives psychosis-like behaviour in mice, while clozapine reverses this. Upper panel: arrows show NMDAR immunisation producing a mouse exhibiting psychosis-like behaviour, with clozapine reversing this effect. Lower panels: anti-NMDAR antibodies bind neuronal NMDA receptors, which are then eliminated by microglia via phagocytosis, leading to psychosis. Clozapine restores NMDA receptor levels by reducing anti-NMDAR antibody levels, consistent with an immunomodulatory mechanism of action.

Graphical abstract showing that NMDAR immunisation drives psychosis-like behaviour in mice, while clozapine reverses this. Upper panel: arrows show NMDAR immunisation producing a mouse exhibiting psychosis-like behaviour, with clozapine reversing this effect. Lower panels: anti-NMDAR antibodies bind neuronal NMDA receptors, which are then eliminated by microglia via phagocytosis, leading to psychosis. Clozapine restores NMDA receptor levels by reducing anti-NMDAR antibody levels, consistent with an immunomodulatory mechanism of action.

๐Ÿฅ๐ŸŽ‰The Psychosis Collective proudly presents our first preprint

๐‚๐ฅ๐จ๐ณ๐š๐ฉ๐ข๐ง๐ž ๐ฌ๐ฎ๐ฉ๐ฉ๐ซ๐ž๐ฌ๐ฌ๐ž๐ฌ ๐š๐ฎ๐ญ๐จ๐ข๐ฆ๐ฆ๐ฎ๐ง๐ข๐ญ๐ฒ ๐๐ซ๐ข๐ฏ๐ข๐ง๐  ๐ฉ๐ฌ๐ฒ๐œ๐ก๐จ๐ฌ๐ข๐ฌ-๐ฅ๐ข๐ค๐ž ๐›๐ž๐ก๐š๐ฏ๐ข๐จ๐ฎ๐ซ ๐ข๐ง ๐ฆ๐ข๐œ๐ž

๐˜ˆ ๐˜ฅ๐˜ช๐˜ด๐˜ค๐˜ฐ๐˜ท๐˜ฆ๐˜ณ๐˜บ ๐˜ซ๐˜ฐ๐˜ถ๐˜ณ๐˜ฏ๐˜ฆ๐˜บ ๐˜ช๐˜ฏ ๐˜ต๐˜ฉ๐˜ณ๐˜ฆ๐˜ฆ ๐˜ข๐˜ค๐˜ต๐˜ด

starring Le He & Harriet Feldman

www.biorxiv.org/content/10.6...

We wanted to understand how antipsychotics work. Thread๐Ÿงต

3 weeks ago 78 33 3 6
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How does an animal choose between exploring for a better food source and taking advantage of a known one? Our recent work in Current Biology demonstrates how recent feeding and metabolic state dynamically influence fly local search. bit.ly/3PfrIv3 #Science #Neurosky #Foraging #Drosophila

1 month ago 133 49 3 4

New paper out: www.nature.com/articles/s41... ๐Ÿฅณ Congratulations to our PhD student Katja for her inspiring work just published in Nature Communications on how the larval zebrafish brain processes multiple visual features.

Check out a short summary of the work here: tinyurl.com/yzv4ct9k

1 month ago 46 14 0 2
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After 5 years of developing, a new preprint from the lab - introducing our workflow for comparative insect connectomics, aimed at democratizing connectomics. @erc.europa.eu @lundvision.bsky.social @biologylu.bsky.social Read it here: www.biorxiv.org/content/10.6...

1 month ago 87 42 2 1
ShineGAL4 FLP-out clones

ShineGAL4 FLP-out clones

#Drosophila calling. Delighted to share our new collection of ShineGAL4 drivers for CNS, FB, muscles, enterocytes, oenocytes and MTs made by @vgirard.bsky.social, @sebsorge.bsky.social and colleagues @crick.ac.uk. All at Bloomington @bdsc.bsky.social

@dev-journal.bsky.social
tinyurl.com/4jpw9jd6

1 month ago 49 24 1 2
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Mechanical Engineer, Hardware Systems - Card Lab Primary Work Address: 100 Haven Avenue, New York, NY, 10032 Current HHMI Employees, click here to apply via your Workday account. The Howard Hughes Medical Institute (HHMI) advances the discovery and ...

The Card lab at Columbia Univ (NYC) is hiring a mechanical engineer! If you like tinkering with mechanical systems and want to help us build custom rigs for neuroscience research, this job is for you! Please feel free to pass along to interested folks.

hhmi.wd1.myworkdayjobs.com/en-US/Extern...

1 month ago 3 2 0 0
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Structural determinants for GPCR-mediated inhibition of TASK K2P channels by diacylglycerol and its dysfunction in disease - The EMBO Journal Two-Pore Domain K+ (K2P) channels are crucial determinants of the resting membrane potential and of cellular electrical excitability in many different cell types. TASK-1 and TASK-3 K2P channel activit...

Our latest work on the structural determinants for GPCR-mediated inhibition of TASK K2P channels by diacylglycerol is now finally published open access @embojournal.org

link.springer.com/article/10.1...

1 month ago 8 2 0 0
Do you:
Have a strong interest in science?
A passion for journalism and writing? 

Our paid 3-month internship might be for you!

We are looking for talented candidates from all backgrounds, especially those traditionally underrepresented in publishing.

Applications close 9 March 2026.

Do you: Have a strong interest in science? A passion for journalism and writing? Our paid 3-month internship might be for you! We are looking for talented candidates from all backgrounds, especially those traditionally underrepresented in publishing. Applications close 9 March 2026.

Calling all budding science writers!

Applications for our paid London-based internship, starting in June, are now open.

Deadline: 9 March 2026

Full info here: springernature.wd3.myworkdayjobs.com/en-US/Spring...

#PaidInternship #Internship #Journalism

1 month ago 63 65 0 2
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Quantitative Approaches to Behavior and Virtual Reality - CAJAL [โ€ฆ]

You have until March 3rd to apply for the Cajal summer school on Quantitative Approaches to Behavior and VR at Champalimaud! Come surf and track animals with us ๐Ÿ„๐Ÿชฐ๐ŸŸ๐Ÿšถ
cajal-training.org/on-site/quan...

2 months ago 25 18 1 3
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Specialized parallel pathways for adaptive control of visual object pursuit Collie et al. show how adaptive control in Drosophila visual pursuit arises from two parallel pathways: one steers objects from the periphery toward the center, while the other maintains central fixat...

Thrilled to share that my graduate work is officially published in Neuron! ๐ŸŽ‰
www.cell.com/neuron/fullt...

2 months ago 48 10 3 1
Fluorescent neurons on black background. We're hiring! PhD Student

Fluorescent neurons on black background. We're hiring! PhD Student

๐Ÿšจ We are #hiring a PhD Student to study cerebellum-like circuits in #Drosophila.

Please spread the word!

www.groschner-lab.org/join

#Neuroscience #PhD

2 months ago 15 18 0 1

Our new preprint is out!

A state-dependent neural circuit resolves approachโ€“avoidance conflicts

www.biorxiv.org/content/10.6...

Fantastic work led by Devika Bodas, with key contributions from Marine Balcou, and a great collaboration with Lisa Scheunemann Lab, fearuting ลževval Demirci.

2 months ago 49 21 1 2
addison-wheeler-fellowship - Durham University

๐Ÿšจ Postdoc opportunity to study memory or nutrition in #Drosophila ๐Ÿชฐ

I am looking for a candidate to support for a 3 year Addison Wheeler Fellowship application lnkd.in/e2rvNf5x

Interested? Please send a CV & cover letter with brief research outline by 20th February to vincent.croset@durham.ac.uk

2 months ago 15 21 0 1
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"Saw her in the Amazon
With the voltage runnin' through her skin
Standin' there with nothin' on
She gonna teach me how to swim"

for more about the electric (f)eel, check this primer by Ken Catania โšก www.cell.com/current-biol...

(and yes, finally some current biology in Current Biology)

2 months ago 71 14 3 1

Very thankful for this thoughtful dispatch by @shaisrael.bsky.social sky.social and Moshe Parnas about our work. Learning and memory: Forgetting to remember: Current Biology www.cell.com/current-biol...

2 months ago 34 11 0 1
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The first paper from the lab is now out in Science Advances: Multimodal social context modulates larval behavior in Drosophila
www.science.org/doi/10.1126/...
We find that fly larvae keep their distance to conspecifics in the absence of food, enjoy reading! @cbehav.bsky.social @uni-konstanz.de

2 months ago 84 36 6 0

Come join us to work on building AI for biosensor design!

2 months ago 3 1 0 0
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Paper out now in eLife: DANCE. We combine machine learning with accessible hardware to quantify Drosophila social behaviors.

Low-cost behavioral rigs are not a compromise, they are a design philosophy. Accessibility changes the questions we can ask.

elifesciences.org/articles/105...

3 months ago 9 4 1 0
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Pyramidal neurons proportionately alter cortical interneuron subtypes - Nature Pyramidal neuron-driven mechanisms actively promote the survival and terminal differentiation of their associated interneuron subtypes.

Excited for the publication of our recent work on how pyramidal cells shape the identity of interneurons in the Cortex! Big shout out to @artofbiology and Sherry Jingjing wu! www.nature.com/articles/s41...

2 months ago 59 15 0 2
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European Conference on Mathematical & Theoretical Biology 2026 ECMTB is coming to Graz, Austria in July 2026. Registration and Call for Contributions are open!

๐Ÿงฌ Minisymposium deadline extended!

Good news for prospective organizers: new submission deadline is now 31 Jan 2026 (AoE).

A few extra days to finalize your proposals for ECMTB 2026 in Graz!

๐Ÿ“… July 13โ€“17, 2026 | ๐Ÿ“ Graz, Austria

Details โ†’ ecmtb2026.org/call-for-contributions

3 months ago 3 1 0 0
Several fly larvae are crawling on an agar surface.

Several fly larvae are crawling on an agar surface.

The second paper from the lab is now available on bioRxiv: www.biorxiv.org/content/10.6...
We discovered that cannibalistic behavior in fly larvae is social-context dependent. Larval groups avoid dead conspecifics; individuals show high attraction. They only do it when no one is watching ๐Ÿ˜‰

3 months ago 47 24 2 2