Samuel Le Meur-Diebolt

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/...

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Parkinson, Alzheimer : l’imagerie médicale peut-elle nous aider à lutter contre les maladies cérébrales ? Les progrès dans le domaine de l'imagerie médicale sont essentiels pour la médecine : en concevant des technologies de pointe pour mieux documenter le fonctionnement du cerveau, les scientifiques ouvr...

Nicolas Zucker, PhD student at @physmedparis.bsky.social was featured last Friday on "Les chantiers de la recherche" @radiofrance.fr, where he presented his work on functional ultrasound microscopy (fULM). 🎙️🧠

Podcast available here 👉 www.radiofrance.fr/francecultur...

This looks pretty cool: ultrasound can now see through the skull! 🧠🔊

The skull has long been a barrier to ultrasound. This reprint shows how to make it quickly transparent → enabling full-depth, high-res fUSI in mice (& humans! 🤯🤯)
Huge congrats to the authors!!!

www.biorxiv.org/content/10.1...

Open software week attendees in the lecture theatre at the Sainsbury Wellcome Centre, at an "Introduction to Python" workshop

Today is the first day of the Neuroinformatics Unit Open Software Week, bringing together researchers from around the world for a week of training and collaborating on open source neuroscience software.

First day is a Python programming workshop.

neuroinformatics.dev/open-softwar...

#niu_osw

ty is incredible for diagnostics AND as a language server! Orders of magnitude faster than Pyright and will eventually replace it. Still need Pyright for on-hover info for now, but we're moving toward a complete Astral-backed Python environment! ⚡

I still get chills

Meet Mike
*30+ years severe depression
*first hospitalized @ 13y
*20 meds
*3 rounds of ECT
*2 near-fatal suicide attempts

Mike felt joy for the first time in decades after we turned on his new brain pacemaker or PACE

see videos, read paper, follow thread
doi.org/10.31234/osf...

A must read for anyone interested in studying spatial navigation with #fUSI! 🧠🗺️

@felipecybis.bsky.social really opened up new possibilities with this one!👇

GitHub - spm/spm-python: The Python interface to SPM The Python interface to SPM. Contribute to spm/spm-python development by creating an account on GitHub.

Drumroll... The SPM team will announce that SPM is now fully accessible from Python! 🐍 Learn more about SPM-Python at the SPM roundtable event (Friday, 1pm) and poster number 1841 at #OHBM2025. Try the beta for yourself at github.com/spm/spm-python [2/7]

Thanks JC, you were the one that started this awesome adventure! 🙌

I can still remember the months spent together to refine the preprocessing pipelines 🐭

Hope this helps others avoid some of the pain we went through back then! 💪

I’m all for #fUSI too! That way we keep a similar acronym to #fMRI. But the question was asked during the conference 😇

New paper in Imaging Neuroscience by Théo Lambert, Alan Urban, et al:

Functional ultrasound imaging and neuronal activity: How accurate is the spatiotemporal match?

doi.org/10.1162/IMAG...

Although the question about lowercase vs uppercase "i" remains 🧐

🧠✨ Amazing #fUSbrainDAYS2025 conference! Thanks to the organizers for bringing together the fUSI community.

Poll results (53 participants):
🏝️ Corsica vs Paris: 41 vs 11
🔬 fUSi vs fUS: 33 vs 14

Looks like we're heading to Corsica next year, and embracing #fUSI!

Benchmarking methods for mapping functional connectivity in the brain | doi.org/10.1038/s415...

What is the best measure of functional connectivity (FC)?

led by @zhenqi.bsky.social in @natmethods.nature.com ⤵️

Thanks Felipe! 🙏 Couldn't have done it without your help, this was truly a team effort. Looking forward to seeing what's next! 🤩

🚨 New preprint alert!

We benchmarked 792 denoising pipelines for #fUSI in awake mice 🐭🧠

Our results show how they reduce motion artifacts and impact seed-based connectivity analyses.

Check it out on @biorxivpreprint.bsky.social 👇
🔗 www.biorxiv.org/content/10.1...

🧠 Excited to share our new paper just published in eBioMedicine

We report ~0.1 Hz hemodynamic waves after local neuroinflammation using functional ultrasound imaging — their presence and amplification partly driven by glial cells

📄 thelancet.com/journals/ebiom…

#neuroinflammation #fUS #glia

Benchmarking methods for mapping functional connectivity in the brain - Nature Methods In this Analysis, Liu et al. benchmark more than 200 pairwise statistics for functional brain connectivity in tasks such as hub mapping, distance relationships, structure–function coupling and behavio...

An Analysis of 200 pairwise statistics for functional brain connectivity in tasks such as hub mapping, distance relationships, structure-function coupling and behavior prediction highlights their effectiveness for neurophysiological applications.

www.nature.com/articles/s41...

So glad to see this released!

🎓 My lab has 2 PhD positions with @cimecunitrento.bsky.social
1️⃣ 🧠 Watch the 🐭 brain in motion, with functional ultrasound imaging (fUSI)
2️⃣🧪 Mess with the 🐭 brain (experimentally) via causal perturbations + imaging

🔬 Neuro/physics/bioengeneering backgrounds welcome
👉Info ▶️https://lnkd.in/dDeTTDj2

🎨🧑‍🎨 Looking for a tool to visualize subcortical/thalamic data in 2D? Check out this python-based package I put together (subcortex-visualization on PyPI), plus a guide for creating your own custom atlas meshes and vector graphics! All feedback/tips welcome 😊

anniegbryant.github.io/subcortex_vi...

‘Perturb and record’ optogenetics probe aims precision spotlight at brain structures The tool provides a new way to characterize cells and study neuronal circuits.

Systems neuroscientists could use a tool that allows them to tweak neuronal activity and record at the same time. The Neuropixels Opto probe, although still a protoype, might be such a device.

By @claudia-lopez.bsky.social

#neuroskyence

www.thetransmitter.org/neuropixels/...

Le gouvernement annule 3,1 milliards d’euros de crédit pour les missions écologie, économie et recherche et enseignement supérieur Selon un décret publié samedi au « Journal officiel », ces annulations sont faites dans le cadre de l’effort supplémentaire de 5 milliards d’euros pour 2025.

"Choose France for Science!" *government cuts half a billion more to the research budget*

New Call for International Researchers interested in working in France. From postdoc to senior PIs.
carrieres.cnrs.fr/actualites/i...

fUSI-BIDS extension proposal v0.0.11 BIDS Extension Proposal 40 (BEP040): fUSI-BIDS version 0.0.11 Available under the CC-BY 4.0 International license. Extension moderators/leads: Jean-Charles Mariani <jean-charles.mariani@cri-paris.org>...

🚨 Next #fUSI-BIDS meeting 🚨

Hey fUSI users!

The next fUSI-BIDS meeting will take place tomorrow 23/04 at 5:00pm CEST. Please join us and participate in drafting this new standard! Details and meeting link are in the specification GDoc (docs.google.com/document/d/1...).

See you soon! 🧠

During decision-making, brain shows multiple distinct subtypes of activity Person-to-person variability in brain activity might represent meaningful differences in cognitive processes, rather than random noise.

Neuroscientists should embrace variability in neuroimaging studies, according to researchers who showed that decision-making is associated with subtypes of brain activity.

By @claudia-lopez.bsky.social

#neuroskyence

www.thetransmitter.org/behavior/dur...

A network correspondence toolbox for quantitative evaluation of novel neuroimaging results - Nature Communications Here, the authors present the Network Correspondence Toolbox, which enables researchers to examine and report spatial correspondence between their neuroimaging results and widely used brain atlases.

It's finally here! Use the Network Correspondence Toolbox to help contextualize your neuroimaging findings 🧠

The impact of heterogeneous spatial autocorrelation on comparisons of brain maps | bioRxiv www.biorxiv.org/content/10.1...

Can we use brain scans to identify biologically distinct "autisms"? And If so, how?

In our latest cross-species study 🐭👨 with @iitalk.bsky.social we dive into these questions!

Find out more here 👇👇
www.biorxiv.org/content/10.1...

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Great article by @thetransmitter.bsky.social on making #neuroimaging tools accessible! As someone working in #fUSI, I strongly believe dedicated #OpenScience solutions are essential for our field to advance. Hope to contribute to these efforts in the future.​​​​​​​​​​​​​​​​