Now published open-access: www.nature.com/articles/s41... The BANC connectome! Go use it: codex.flywire.ai?dataset=banc

Distributed control circuits across a brain-and-cord connectome - Nature

A connectome of the brain and ventral nerve cord of an adult female fruit fly is reconstructed and annotated, providing an open resource that reveals neural control of behaviour to be distri...

nature.com

Wei-Chung Allen Lee@darbly.bsky.social · 2mo ago

Now published - the #BANC! A full central nervous system (CNS) connectome of a limbed animal at single-synapse resolution, enabling us to follow sensory-motor arcs and understand how the CNS controls the body. rdcu.be/fncjS. #neuroscience. Video by @quorumetrix.bsky.social 1/18

I was delighted to contribute to this amazing work lead by @asbates.bsky.social, Lee and Wilson labs, and a village of contributors. This is a monument complete with connections to muscles and proprioceptors which will enable us to simulate of the sensorimotor loops of a brain for the first time!!

Wei-Chung Allen Lee@darbly.bsky.social · 2mo ago

Now published - the #BANC! A full central nervous system (CNS) connectome of a limbed animal at single-synapse resolution, enabling us to follow sensory-motor arcs and understand how the CNS controls the body. rdcu.be/fncjS. #neuroscience. Video by @quorumetrix.bsky.social 1/18

Our thread on the newly published brain and nerve cord #BANC #connectome, and what #neuroscience stories we can tell with it.

Wei-Chung Allen Lee@darbly.bsky.social · 2mo ago

Now published - the #BANC! A full central nervous system (CNS) connectome of a limbed animal at single-synapse resolution, enabling us to follow sensory-motor arcs and understand how the CNS controls the body. rdcu.be/fncjS. #neuroscience. Video by @quorumetrix.bsky.social 1/18

Now published - the #BANC! A full central nervous system (CNS) connectome of a limbed animal at single-synapse resolution, enabling us to follow sensory-motor arcs and understand how the CNS controls the body. rdcu.be/fncjS. #neuroscience. Video by @quorumetrix.bsky.social 1/18

We are excited to have been part of the community effort that led to the Brain-and-Nerve-Cord (BANC) connectome.

Wei-Chung Allen Lee@darbly.bsky.social · 2mo ago

Now published - the #BANC! A full central nervous system (CNS) connectome of a limbed animal at single-synapse resolution, enabling us to follow sensory-motor arcs and understand how the CNS controls the body. rdcu.be/fncjS. #neuroscience. Video by @quorumetrix.bsky.social 1/18

Please check out @darbly.bsky.social & @asbates.bsky.social 's thread at bsky.app/profile/darb..., or HMS News at hms.harvard.edu/news/researc... for a quick overview, or read the full paper at doi.org/10.1038/s415... for details.

Researchers Publish First Complete Connectome of Fruit Fly Brain and ‘Spinal Cord’

Open-source resource poised to propel research on how nervous systems work

hms.harvard.edu

Wei-Chung Allen Lee@darbly.bsky.social · 2mo ago

Now published - the #BANC! A full central nervous system (CNS) connectome of a limbed animal at single-synapse resolution, enabling us to follow sensory-motor arcs and understand how the CNS controls the body. rdcu.be/fncjS. #neuroscience. Video by @quorumetrix.bsky.social 1/18

In 1986, John White published "The Mind of a Worm," the first complete wiring diagram of any animal's brain. 7,000+ synapses in C. elegans, mapped by hand. This year he won the Wiley Prize in Biomedical Sciences. And he's donating his share to OpenWorm.

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

John Tuthill@tuthill.bsky.social · 4mo ago

🧵 New preprint led by @bingbrunton.bsky.social, @elliottabe.bsky.social, @lawrencehu.bsky.social We gave a worm brain control of a fly body and it walked What did we learn? Nothing, other than deep reinforcement learning is effective We call it the digital sphinx www.biorxiv.org/content/10.6...

🧵 New preprint led by @bingbrunton.bsky.social, @elliottabe.bsky.social, @lawrencehu.bsky.social We gave a worm brain control of a fly body and it walked What did we learn? Nothing, other than deep reinforcement learning is effective We call it the digital sphinx www.biorxiv.org/content/10.6...

Serious question… is this is a real fly? A startup thinks it's a "real uploaded animal". What do you think? for @theverge.com with @shahabbakht.bsky.social @asbates.bsky.social @anayebi.bsky.social @birchlse.bsky.social @tom-mcclelland.bsky.social www.theverge.com/ai-artificia...

This is not a fly uploaded to a computer

Ceci n’est pas une fly.

theverge.com

A small and interesting neural controller for object pursuit on the fly:

Matt Collie@mottcallie.bsky.social · 9mo ago

Delighted to share an updated pre-print on how adaptive control in visual pursuit is implemented at the circuit level. New behavior and neuronal data in females (!) shows how two AOTU pathways are key elements in both sexes. Check it out on @biorxiv-neursci.bsky.social : doi.org/10.1101/2025...

Delighted to share an updated pre-print on how adaptive control in visual pursuit is implemented at the circuit level. New behavior and neuronal data in females (!) shows how two AOTU pathways are key elements in both sexes. Check it out on @biorxiv-neursci.bsky.social : doi.org/10.1101/2025...

Specialized parallel pathways for adaptive control of visual object pursuit

To pursue a moving visual object, the brain must generate motor commands that continuously steer the object to the center of the visual field via feedback. The gain of this control loop is flexible, y...

doi.org

We have been answering redditors questions today on the #BANC fly connectome in a public AMA if anyone wants to take a look: www.reddit.com/r/askscience...

From the askscience community on Reddit

Explore this post and more from the askscience community

reddit.com

We integrated our atlas with the connectome using shared features, such as lineage, segment, molecular info (i.e. neurotransmitter, Notch) and neurogenesis timing. We mapped 122 transcriptional pools, each one containing an average of 26 anatomically defined neuron types. 4/8

With this atlas in place, we mapped sex differences in the atlas and adult connectomes, identifying female-specific apoptosis and transcriptional divergence as drivers of sexually dimorphic development. 7/8

Thanks to all authors and support from #MRC_LMB, @neurohub-cnr.bsky.social , @camzoology.bsky.social , #flyconnectome, @wellcometrust.bsky.social , ‪@erc.europa.eu‬, @astra-zeneca.bsky.social and @cruk-ci.bsky.social. FIN

Neuronal diversity is written in transcriptional codes 🧬. But what is the logic of these codes that define cell types and wiring patterns? To find out we built a #scRNAseq developmental atlas of the Drosophila nerve cord and linked it to the #connectome 🪰🧠 #preprint thread ⬇️1/8

Fly labs — Now is the time to show some solidarity and chip in support for this vital resource!

Bloomington Drosophila Stock Center@bdsc.bsky.social · 12mo ago

FlyBase needs your help! Visit the link below for more information, and please consider donating to help save this amazing resource. wiki.flybase.org/wiki/FlyBase...

The #BANC connectome sample was the best dissection of ~150 by @mindyisminsu.bsky.social! Behaviourally characterised by @debivort.bsky.social lab, microCT used to assess integrity before continuing. Then Minsu and @jasper-tms.bsky.social imaged over ~7 months Details: github.com/jasper-tms/t...

Minsu Kim@mindyisminsu.bsky.social · 12mo ago

It’s surreal to think that every neuron and synapse in the fly brain + cord that was dissected almost five years ago (the photo’s still on the lab slack!) is now just a click away on Codex codex.flywire.ai?dataset=banc. This wouldn’t have been possible without the incredible team behind it!

It’s surreal to think that every neuron and synapse in the fly brain + cord that was dissected almost five years ago (the photo’s still on the lab slack!) is now just a click away on Codex codex.flywire.ai?dataset=banc. This wouldn’t have been possible without the incredible team behind it!

Wei-Chung Allen Lee@darbly.bsky.social · last yr.

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

The fly #BANC connectome benefits from specialists’ annotations. @ellenlesser.bsky.social‬ helped us annotate wing sensory neurons and ‪@tony-azevedo.bsky.social‬ wing + other motor neurons, see them here!: ng.banc.community/2025a/wing-n... In Codex: codex.flywire.ai/app/search?f...

@ellenlesser.bsky.social · last yr.

So happy to share this project detailing fly wing sensory neurons! I started this project just by asking what the axons of the wing chordotonal organ looked like, and I found many other cool structures along the way.

Explore neurons that enter/exit the fly central nervous system by body part with this clickable fly!: codex.flywire.ai/app/body_par... (graphics: @mottcallie.bsky.social‬, tool: Arie Matisliah) Vector graphics! github.com/wilson-lab/s... Effector cells in 3D! ng.banc.community/2025a/effere...

For the BANC, ‪@jasper-tms.bsky.social‬ and I have added layers for neurons in other datasets to our neuroglancer environment. Search by name and see your favourite neurons in the same space! See an example here: ng.banc.community/2025a/DNa01-...

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

Alexander Shakeel Bates@asbates.bsky.social · last yr.

Public access to the first fly connectome that spans the whole CNS - BANC!: codex.flywire.ai?dataset=banc Different from prior connectomes - it is brain + cord (think spinal cord) We use it to ‘embody’ the system and find it resembles ‘subsumption architecture’ doi.org/10.1101/2025...

So happy to share this project detailing fly wing sensory neurons! I started this project just by asking what the axons of the wing chordotonal organ looked like, and I found many other cool structures along the way.

John Tuthill@tuthill.bsky.social · last yr.

new preprint, led by @ellenlesser.bsky.social, on proprioceptive sensing of the Drosophila wing. tldr, there are a lot of proprioceptors out in the wing and they are wildly diverse and complex (eg, compared to the fly leg). just one example in this image...(1/4) www.biorxiv.org/content/10.1...

What a joy to work on such an incredibly collaborative project!! Congrats to all who poured time energy and effort into this new resource. (So excited about this that I had to make a bluesky account!)

Alexander Shakeel Bates@asbates.bsky.social · last yr.

Public access to the first fly connectome that spans the whole CNS - BANC!: codex.flywire.ai?dataset=banc Different from prior connectomes - it is brain + cord (think spinal cord) We use it to ‘embody’ the system and find it resembles ‘subsumption architecture’ doi.org/10.1101/2025...

The dataset includes ~160,000 cells, segmented nuclei and mitochondria, synapses and neurotransmitter predictions, and annotations linking the CNS to peripheral sensory, motor, and visceral systems. Info: banc.community Data: codex.flywire.ai?dataset=banc Viewer: ng.banc.community/view

Public access to the first fly connectome that spans the whole CNS - BANC!: codex.flywire.ai?dataset=banc Different from prior connectomes - it is brain + cord (think spinal cord) We use it to ‘embody’ the system and find it resembles ‘subsumption architecture’ doi.org/10.1101/2025...

Happy Friday! The female adult fly brain-and-nerve-cord (BANC) connectome is now LIVE! Explore the data here: codex.flywire.ai?dataset=banc Check out the preprint here: doi.org/10.1101/2025...

a man with a mustache in a blue suit says tiny celebration in front of a group of people

ALT: a man with a mustache in a blue suit says tiny celebration in front of a group of people

media.tenor.com

The first full central nervous system connectome dataset of an adult fly, with the most comprehensive annotation of sensory and motor neurons to date. A heroic effort with contributions from many groups, a product of the collaborative spirit of the Drosophila neuroscience community.

Matt Collie@mottcallie.bsky.social · last yr.

Happy Friday! The female adult fly brain-and-nerve-cord (BANC) connectome is now LIVE! Explore the data here: codex.flywire.ai?dataset=banc Check out the preprint here: doi.org/10.1101/2025...