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Reposted by Horst Obenhaus

Jerome Beetz @beetzjerome.bsky.social · 10d

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...

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Reposted by Horst Obenhaus

clykken.bsky.social @clykken.bsky.social · 13d

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...

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Horst Obenhaus @octoscience.bsky.social · 13d

Wow wow wow, congratulations @clykken.bsky.social and team!!! This is cool.

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Reposted by Horst Obenhaus

Mariam Aly @mariamaly.bsky.social · 16d

Excited to release the SPOT grid: a new image set that factorially crosses scene-object & texture-pattern pairings.

We hope these stimuli will be useful to researchers aiming to (partially) disentangle the contributions of lower- and higher-level visual features to behavior & brain activity.

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8x8 grid depicting the approach to stimulus creation. Feature pairs are on the axes and images are in the cells. The x-axis represents the high-level feature pairs: setting (green) and object (teal). For example, the first column of images all depict “truck” (object) in “field” (setting) rendered in various textures and patterns. The y-axis represents low-level feature pairs: texture (blue) and pattern (purple). For example, the first row of images all depict different objects and settings rendered as if drawn with crayon (texture) and containing large horizontal edges (pattern).

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Horst Obenhaus @octoscience.bsky.social · 20d

The curtain test! ((:

BejaLab @bejalab.bsky.social · 21d

I LOVE their curtain test!!

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Reposted by Horst Obenhaus

Adrien Peyrache @apeyrache.bsky.social · 22d

🚨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...

Coherent dynamics of thalamic head-direction neurons irrespective of input

While the thalamus is known to relay and modulate sensory signals to the cortex, whether it also participates in active computation and intrinsic signal generation remains unresolved. The anterodorsal...

www.biorxiv.org

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Horst Obenhaus @octoscience.bsky.social · 25d

Thanks, May-Britt!!

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Horst Obenhaus @octoscience.bsky.social · 27d

Come to the MBL in Woods Hole @mblscience.bsky.social for a GRASS FELLOWSHIP @grassfoundation.bsky.social 🦑 🐙🐛
There are two application deadlines this year: Oct 15, 2025 (submit by then to receive feedback on your application!), and Dec 1, 2025 (final deadline). grassfoundation.org/application-...

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Reposted by Horst Obenhaus

BonnBrain Conference @bonnbrainconf.bsky.social · Sep 8

Application is open! Come join us and our fantastic line-up of speakers next year in March in Bonn!

Flyer advertising the BonnBrain Conference 2026, "From Genes to Circuits and Behavior".

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Reposted by Horst Obenhaus

Marine Neuroscience Laboratory @marineneurolab.bsky.social · Sep 4

We just published our third major funding application, including the evaluation it received, for the benefit of future applicants 🙌

Because #OpenScience is also about sharing ideas and examples that others can learn from 🌟

www.ogrants.org/grants/jacob...

Funding application (RCN, 2024): Deciphering bioluminescent communication in marine annelids · Open Grants

www.ogrants.org

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Reposted by Horst Obenhaus

Rajat Saxena @rajatsxn.bsky.social · Sep 3

Check our new preprint where we examine how enriched experiences alter synaptic connectivity and coding sparsity across the neocortex.

bioRxiv Neuroscience @biorxiv-neursci.bsky.social · Sep 3

Enriched experience increases reciprocal synaptic connectivity and coding sparsity in higher-order cortex https://www.biorxiv.org/content/10.1101/2025.09.01.673156v1

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Horst Obenhaus @octoscience.bsky.social · Aug 31

Impressive design!! Repeatability and precision are shown in sample microscopy stage and by laser->fiber coupling. Check it out.

Open Source Motorized XYZ Micro-Manipulator - Affordable sub µm Motion Control
www.youtube.com/watch?v=MgQb...

Github: github.com/0x23/MicroMa...

www.youtube.com

Reposted by Horst Obenhaus

bioRxiv Neuroscience @biorxiv-neursci.bsky.social · Aug 27

Goal-directed hippocampal theta sweeps during memory-guided navigation https://www.biorxiv.org/content/10.1101/2025.08.26.672489v1

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Reposted by Horst Obenhaus

Ching-Lung Hsu @hiallen72.bsky.social · Aug 4

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

MARBLE: interpretable representations of neural population dynamics using geometric deep learning - Nature Methods

MARBLE uses geometric deep learning to map dynamics such as neural activity into a latent representation, which can then be used to decode the neural activity or compare it across systems.

www.nature.com

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Horst Obenhaus @octoscience.bsky.social · Jul 22

Great question, and exactly what I’m interested in. Stay tuned for further news (:

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Horst Obenhaus @octoscience.bsky.social · Jul 22

Jumping spiders, octopuses, who's next! 🤗

Horst Obenhaus @octoscience.bsky.social · Jul 22

My pleasure 💙💙💙!

Horst Obenhaus @octoscience.bsky.social · Jul 21

☺️

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Horst Obenhaus @octoscience.bsky.social · Jul 21

Tap tap tap !

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Horst Obenhaus @octoscience.bsky.social · Jul 21

Beautiful (:
And great question! Octopuses sleep in dens in the wild, but still: Given how conspicuously it disrupts camouflage, there must be huge (evolutionary) benefit to conserving this sleep phase!

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Horst Obenhaus @octoscience.bsky.social · Jul 21

One of the “golden videos” that I took during my Grass Fellowship @grassfoundation.bsky.social - active sleep in these little guys is so obvious and flamboyant! @mblscience.bsky.social

New England Society for Microscopy @nesmicroscopy.bsky.social · Jul 21

🐙 This Octopus shifts from deep to active rest while "dreaming" for #MicroscopyMonday. REM‑like sleep (color bursts and twitches) filmed in real time by Horst Obenhaus @octoscience.bsky.social‬, currently a 2025 Whitman Fellow at @mblscience.bsky.social. #NESM

#Octopus #Neuro #SleepScience #MBL

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Horst Obenhaus @octoscience.bsky.social · Jul 12

Yeah!! So cool!

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Horst Obenhaus @octoscience.bsky.social · Jul 11

Yep, they drew (sucked?) me back!

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Horst Obenhaus @octoscience.bsky.social · Jul 10

Welcome back!

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Horst Obenhaus @octoscience.bsky.social · Jun 27

As for the bar coding: does that idea not generalise beyond discrete event boundaries if, as you describe, various clocks intermingle and thereby produce not repeatable states over time?

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