Aitor Morales-Gregorio

@aitormg.bsky.social

Computational neuroscientist 🧠🇪🇺 @ Charles Uni (previously @fz-juelich.de) | Catching up on graphic design | Electrical engineer vibes⚡ | he/him 🏳️‍🌈 Personal website: https://www.aitormg.eu

🚨 Preprint alert! Bursts of high frequency oscillations (80-150Hz) in the visual cortex - what do they mean? We found a footprint of the oscillation in neural activity consistent across states and species. Congrats Katarina 👏 and huge thanks to all collaborators! www.biorxiv.org/content/10.6...

Cell-type-specific coupling of single-unit spikes and cortical ripples in macaque and human V1

Cortical ripples are brief high-frequency (80-150 Hz) oscillatory bursts in the extracellular potential, typically associated with sleep, memory, and attention processes. So far it is unclear whether ...

biorxiv.org

So excited to be part of this one! Now officially out in Annual Review of Neuroscience 🎉 www.annualreviews.org/content/jour...

Ecological Visual Processing in the Mouse

Visual systems evolved to extract behaviorally relevant information while animals move through and interact with their world. Such ecological vision differs fundamentally from standard laboratory paradigms in many key aspects, making this a much harder problem for the brain to solve, and for the neuroscientist to study. However, emerging technologies and experimental approaches have enabled investigation of visual computations under these ecological conditions. These approaches are particularly powerful in the mouse, combining well-developed genetic tools, high-throughput recordings, and quantifiable ethological tasks. Here we review computations that are engaged in ecological contexts, including active sensing, motion processing, scene analysis, distance estimation, and spatial perception. We delineate experimental approaches that engage these computations and synthesize current understanding of their neural implementations based on mouse research. These studies reveal how ecological vision engages distinct processing strategies and novel neural circuitry, while highlighting the vast territory that remains unexplored in understanding real-world visual computation.

annualreviews.org

Spencer LaVere Smith@spencerlaveresmith.bsky.social · 3w ago

Ecological Visual Processing in the Mouse - with @michaelgoard.bsky.social @crisniell.bsky.social @mbeyeler.bsky.social Visual computations that are engaged in ecological contexts: active sensing, motion processing, scene analysis, distance estimation, and spatial perception. doi.org/10.1146/annu...

Are you attending #FENS2026 and interested in the interaction of Norepinephrine and Acetylcholine on sculpting neuronal firing? Spontaneous activity? Dynamical systems? Biophysics? Cellular heterogeneity? Find them all in one place! See you at poster 613 during Thursday's morning session PS05

Both brains and RNNs can re-use components of computation across similar tasks or contexts. But what exactly are those “shared components”? How can they be used to solve several tasks? We address these questions in a new preprint with @avm.bsky.social! Link: www.biorxiv.org/content/10.6...

Interpretable compositional computation with recurrent neural networks

Flexible cognition utilizes reusable components to enable rapid adaptation of behavior to different contexts or tasks. Analysis of artificial neural networks trained on multiple tasks suggested that t...

biorxiv.org

New preprint! We show low arousal states promote hippocampal ripple genesis in sleep and wake. This bridges rodent work, where ripples predominate during sleep, with human studies reporting ripples during active behavior, identifying low arousal as a common mechanism www.biorxiv.org/content/10.6...

Arousal state modulates human hippocampal ripples

Hippocampal ripples are transient, high-frequency oscillations linked to memory replay and consolidation. Ripples are well-characterized in rodents to occur during periods of behavioral inactivity (i....

biorxiv.org

"Ripple occurrence consistently tracked low arousal: rates were maximal in NREM sleep, small-pupil wake states, and slow heart rate periods across sleep and wake... ripple-like activity outside the hippocampus showed an opposite modulation, increasing with high arousal."

Arousal state modulates human hippocampal ripples

Hippocampal ripples are transient, high-frequency oscillations linked to memory replay and consolidation. Ripples are well-characterized in rodents to occur during periods of behavioral inactivity (i....

biorxiv.org

I’ve officially resigned as Associate Editor for Frontiers in Systems Neuroscience. It used to be a reputable journal, but became a case study in how forced automation destroys academic integrity. 👇

What happens when 18 teams of expert neuroscientists analyze the exact same neurophysiology dataset? You might expect convergence, but that is not what we found. Very grateful for the opportunity to write with Gaëlle Chapuis about one of my favorite projects since I started working in science! 1/n

The Transmitter @thetransmitter.bsky.social · 2mo ago

A hackathon reveals that disagreement in neuroscience runs deeper than most researchers suspect—even in electrophysiology, a field that prides itself on hard data, write @mattiachini.bsky.social and Gaelle Chapuis. #neuroskyence www.thetransmitter.org/reproducibil...

As a computer scientist by training, I never for a second thought computation is restricted to digital. To me any transformation can be viewed as computation. Whether it is meaningful to think about it as computation or not is heavily contextual and depends on the question asked.

Recently I have come across students who are told to use toolboxes to process their data but lack the basics of the corresponding programming language. They then turn to ChatGPT to help them debug the code when it throws an error. #Programming This type of thing worries me for numerous reasons: