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Martín Irani-Cereceda

@martinirani.bsky.social
22 followers 39 following 7 posts

Neuroscience grad student @ University of Illinois. Cognitive control, meso- and large-scale brain networks dynamics. 🇨🇱

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Reposted by Martín Irani-Cereceda
Earl K. Miller @earlkmiller.bsky.social · 04/08/2026
Neurons don't just fire more for important sounds, their activity becomes more precisely timed and rhythmic Representations of spatial saliency in auditory cortex are selectively organized through temporal coordination www.biorxiv.org/content/10.6... #neuroscience
biorxiv.org
Representations of spatial saliency in auditory cortex are selectively organized through temporal coordination
Selective processing of behaviorally relevant sounds in complex environments requires dynamic modulation of auditory representations. Here, we show that behaviorally relevant sound locations selective...
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Reposted by Martín Irani-Cereceda
Earl K. Miller @earlkmiller.bsky.social · 31/07/2026
Are brain rhythms a steady hum or a brief buzz? Both. Alpha and beta activity are relatively sustained, helping maintain ongoing brain state, supporting its role in top-down control. Universal rhythmic architecture uncovers two modes of neural dynamics www.nature.com/articles/s41... #neuroscience
nature.com
Universal rhythmic architecture uncovers two modes of neural dynamics - Nature Communications
Brain oscillations are traditionally regarded as sustained rhythms. Here, the authors show that there are both high and low-rhythmicity bands, characterised by brief bursts, which can signal responses...
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Earl K. Miller @earlkmiller.bsky.social · 20/07/2026
Huzzah! MIT names Emery N. Brown an "Institute Professor," its highest faculty honor picower.mit.edu/news/mit-nam... #neuroscience
picower.mit.edu
MIT names Emery N. Brown an "Institute Professor," its highest faculty honor
Brown, a renowned neuroscientist, anesthesiologist and statistician, has made numerous seminal contributions to basic science and clinical care alike. He joins two other professors in earning the hono...
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Earl K. Miller @earlkmiller.bsky.social · 18/06/2026
Speedy, spiraling electrical waves may be key to brain’s information flow Rotating neuronal waves are built into brain anatomy and help coordinate far-flung regions, mouse imaging study suggests www.science.org/content/arti... #neuroscience
science.org
Speedy, spiraling electrical waves may be key to brain’s information flow
Rotating neuronal waves are built into brain anatomy and help coordinate far-flung regions, mouse imaging study suggests
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Martín Irani-Cereceda @martinirani.bsky.social · 12/06/2026
Excited to share a soft launch of our latest work! We show that oscillatory gamma bursts in the auditory cortex organize spike-timing precision, rather than firing rate, to selectively enhance sounds coming from behaviorally relevant locations.
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Reposted by Martín Irani-Cereceda
The Transmitter @thetransmitter.bsky.social · 26/05/2026
The locus coeruleus, which provides norepinephrine to the rest of the brain, is even more spatially and functionally diverse than previously thought, new findings suggest. By Holly Barker www.thetransmitter.org/locus-coerul...
thetransmitter.org
Brain’s blue spot possesses unexpected structure-function ties
The arrangement of locus coeruleus neurons in mice points to how the structure mediates specific effects across the brain, a new study shows.
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Reposted by Martín Irani-Cereceda
Earl K. Miller @earlkmiller.bsky.social · 05/05/2026
Anatomy sets things up, but it’s not the whole story. A low-D communication subspace from PFC to motor cortex reconfigures with context, routing action signals so the same movements can be driven by different rules without rewiring the whole network. www.nature.com/articles/s41... #neuroscience
nature.com
A communication subspace relays context-dependent actions from human prefrontal to motor cortex - Nature Neuroscience
Context-dependent behavior selects actions according to task demands. Using direct brain recordings in humans, Binish et al. uncover how coordinated population activity efficiently channels informatio...
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The Transmitter @thetransmitter.bsky.social · 22/04/2026
@braininspired.bsky.social talks with @lmprida.bsky.social about how her efforts to understand the varieties of sharp wave ripples in the hippocampus led to her discovery that specific types of neurons control the properties of neural manifolds. #neuroskyence www.thetransmitter.org/brain-inspir...
thetransmitter.org
Liset de la Prida explains how neuron subtypes may control the activity of large neural populations, from manifolds to ripples
De la Prida's work analyzing the varieties of sharp wave ripples in the hippocampus led to her discovery that specific types of neurons control the properties of neural manifolds.
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Martín Irani-Cereceda @martinirani.bsky.social · 02/04/2026
Very cool! There’s more to gamma than just spikes! www.nature.com/articles/s41...
nature.com
Active dissociation of intracortical spiking and high gamma activity - Nature
A brain–machine interface is used in monkeys to investigate the biophysical underpinnings of cortical high gamma-band activity, a signal that is often studied in the context of many brain functions.
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Reposted by Martín Irani-Cereceda
Earl K. Miller @earlkmiller.bsky.social · 19/03/2026
Cortical circuits are often thought to be specialized, but the same large-scale activity patterns can arise from different circuit architectures. In other words, different instruments can play the same tune, and the same instrument can sometimes play different tunes. www.cell.com/neuron/fullt...
cell.com
Linking neural manifolds to circuit structure in recurrent networks
Neural population activity can be described either by low-dimensional dynamics on neural manifolds or by single-neuron selectivities. Using a theoretical approach, Pezon et al. relate these two statis...
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The Transmitter @thetransmitter.bsky.social · 14/01/2026
Thus far, engineering has outpaced theory in the science of intelligence. But Tomaso Poggio is hopeful that theories can catch up. #neuroskyence www.thetransmitter.org/brain-inspir...
thetransmitter.org
Tomaso Poggio on his quest for theories to explain the fundamental learning abilities of brains and machines
Thus far, engineering has outpaced theory in the science of intelligence. But Poggio is hopeful that theories can catch up.
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tafazolisina.bsky.social @tafazolisina.bsky.social · 11/02/2026
Thrilled that my paper is out in the @nature.com. We explored how the brain builds complex tasks by compositionally combining simpler sub-task representations. The brain flexibly performs multiple tasks by dynamically reusing neural subspaces for sensory inputs and motor actions rdcu.be/eRVUk
rdcu.be
Building compositional tasks with shared neural subspaces
Nature - The brain can flexibly perform multiple tasks by compositionally combining task-relevant neural representations.
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Gonzalo Boncompte @gnboncompte.bsky.social · 12/01/2026
Aperiodic parameters are systematically dependent on the frequency range used to estimate them. We evaluated intracortical recordings of 62 patients using both Specparam and IRASA. The full article is finally out. @martinirani.bsky.social @medelero.bsky.social ieeexplore.ieee.org/document/113...
ieeexplore.ieee.org
Aperiodic exponent of brain field potentials is dependent on the frequency range it is estimated
The aperiodic component of brain field potentials (EEG, LFP, intracortical recordings) is increasingly being recognized as an important topic in both basic and clinical neuroscience. Aperiodic activit...
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Reposted by Martín Irani-Cereceda
Earl K. Miller @earlkmiller.bsky.social · 05/01/2026
Traveling waves. Your brain has them for a reason. Dynamical Mechanisms for Coordinating Long-term Working Memory Based on the Precision of Spike-timing in Cortical Neurons arxiv.org/abs/2512.15891 #neuroscience
arxiv.org
Dynamical Mechanisms for Coordinating Long-term Working Memory Based on the Precision of Spike-timing in Cortical Neurons
In the last century, most sensorimotor studies of cortical neurons relied on average firing rates. Rate coding is efficient for fast sensorimotor processing that occurs within a few seconds. Much less...
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Earl K. Miller @earlkmiller.bsky.social · 22/12/2025
New results! Ephaptic coupling can explain variability in neural activity doi.org/10.64898/202... Work led by @pinotsislab.bsky.social #neuroscience
doi.org
Ephaptic coupling can explain variability in neural activity
The waxing and waning cortical oscillatory power correlates with function and disease. This cross-trial variability has been thought to be due to neuromodulation, uncertainty encoding, and/or changes ...
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Reposted by Martín Irani-Cereceda
Earl K. Miller @earlkmiller.bsky.social · 05/12/2025
High-frequency bursts facilitate fast communication for human spatial attention www.nature.com/articles/s41... #neuroscience
nature.com
High-frequency bursts facilitate fast communication for human spatial attention - Nature Neuroscience
Using intracranial electroencephalography from patients with epilepsy during spatial attention tasks, this study shows that high-frequency bursts facilitate fast communications in brain networks and s...
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Nature @nature.com · 27/11/2025
Nature research paper: Building compositional tasks with shared neural subspaces go.nature.com/4ocRj3n
go.nature.com
Building compositional tasks with shared neural subspaces - Nature
The brain can flexibly perform multiple tasks by compositionally combining task-relevant neural representations.
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Earl K. Miller @earlkmiller.bsky.social · 19/11/2025
When you record spikes, you also record LFPs. It’s ironic to hear people claim oscillations don’t matter while they are discarding the very data that could test that. As Thomas Kuhn would say… #neuroscience
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Science Magazine @science.org · 27/10/2025
"One email at a time, one informational interview after another, I became comfortable, confident, and strategic in building my network of mentors." One mentor isn’t enough, wrote Erika Moore in this 2021 Working Life essay. scim.ag/49hp8fS #NationalMentoringDay
A person holding out their arm while people line up on it, with text: One mentor isn’t enough. Here’s how I built a network of mentors
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Earl K. Miller @earlkmiller.bsky.social · 10/10/2025
The functional role of oscillatory dynamics in neocortical circuits: A computational perspective doi.org/10.1073/pnas... #neuroscience
doi.org
The functional role of oscillatory dynamics in neocortical circuits: A computational perspective | PNAS
The dynamics of neuronal systems are characterized by hallmark features such as oscillations and synchrony. However, it has remained unclear whethe...
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Science Magazine @science.org · 29/09/2025
Last year, a special issue of Science explored the complex and close associations #rats share with humans—from their ubiquity in the human environment to their crucial role as biomedical models. 🐀 Learn more: scim.ag/46VBOrb #ScienceMagArchives
This photograph shows a female standard fancy rat—a domesticated variant for the pet trade.
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Martín Irani-Cereceda @martinirani.bsky.social · 27/08/2025
revchilhistnat.biomedcentral.com/articles/10....
revchilhistnat.biomedcentral.com
The MDPIzation of chilean science: a wake-up call about how we are conducting research and using public resources - Revista Chilena de Historia Natural
MDPI, a rapidly growing mega-publisher, has significantly impacted scientific publishing with a large number of open-access journals covering all areas of knowledge. Fast publication times, numerous s...
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Reposted by Martín Irani-Cereceda
The Transmitter @thetransmitter.bsky.social · 19/08/2025
𝐖𝐡𝐚𝐭 𝐰𝐞 𝐚𝐫𝐞 𝐫𝐞𝐚𝐝𝐢𝐧𝐠 “Steven Rose obituary: Vituperative neuroscientist,” in 𝑇ℎ𝑒 𝑇𝑖𝑚𝑒𝑠 www.thetimes.com/uk/obituarie...
thetimes.com
Steven Rose obituary: Vituperative neuroscientist
Academic who showed little tolerance for IQ testing, but made steps towards a treatment for Alzheimer’s, dies aged 87
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Ignacio Saez, PhD @ignaciosaezphd.bsky.social · 21/07/2025
How is prefrontal neural activity refined as we age? Out today in @nathumbehav.nature.com‬! This study, from Elizabeth Johnson, uncovers how subtle changes in neural 'noise' impact our attention, memory, and cognition through development. Proud to have contributed! www.nature.com/articles/s41...
The development of aperiodic neural activity in the human brain header
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Jason Climer @jrclimer.bsky.social · 23/07/2025
I’m excited to share my final co-first author paper from my postdoc in Dan Dombeck's lab! We explored how behavior, senses, and neurons influence how much information in the brain changes over time. www.nature.com/articles/s41... #science #research #neuroscience #hippocampus #placecells
nature.com
Hippocampal representations drift in stable multisensory environments - Nature
Tracking of individual place cells in mouse CA1 shows that representational drift is not influenced by changes in environment or behaviour, and is lower for more excitable place cells.
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Ali Mohebi @mohebial.bsky.social · 16/07/2025
🚨 Neuro postdocs & grad students: Have a story to tell? Want to practice a talk before a conference or interview? Join our new seminar series on the Isthmus! All are welcome (from around the 🌎). Submit by Aug 20. Share your story (and this ad)! (Ping me for Qs) forms.gle/zpSTGWczxjqJ...
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Martín Irani-Cereceda @martinirani.bsky.social · 07/07/2025
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Nicole Rust @nicolecrust.bsky.social · 04/07/2025
Excellent episode of BrainInspired with @xjwang.bsky.social discussing his new book ++. TIL about his link w/ Rosemary Kennedy (via 2 degrees of separation). I'm really looking forward to @thetransmitter.bsky.social piece he mentions on bifurcation. www.taylorfrancis.com/books/mono/1...
taylorfrancis.com
Theoretical Neuroscience | Understanding Cognition | Xiao-Jing Wang |
This textbook is an introduction to Systems and Theoretical/Computational Neuroscience, with a particular emphasis on cognition. It consists of three parts:
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Marcelo Mattar @marcelomattar.bsky.social · 02/07/2025
Thrilled to see our TinyRNN paper in @nature! We show how tiny RNNs predict choices of individual subjects accurately while staying fully interpretable. This approach can transform how we model cognitive processes in both healthy and disordered decisions. doi.org/10.1038/s415...
doi.org
Discovering cognitive strategies with tiny recurrent neural networks - Nature
Modelling biological decision-making with tiny recurrent neural networks enables more accurate predictions of animal choices than classical cognitive models and offers insights into the underlying cog...
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Martín Irani-Cereceda @martinirani.bsky.social · 16/06/2025
Very necessary! www.thetransmitter.org/brain-inspir...
thetransmitter.org
What do neuroscientists mean by the term representation?
A group of neuroscientists and philosophers discuss the use and misuse of the term “representation” across the cognitive sciences.
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Matteo Carandini @carandinilab.net · 09/06/2025
The firing of neural populations is high-dim even if their subthreshold activity is low-dim! This work by @bio-emergent.bsky.social and @haydari.bsky.social shows how, with a solvable model, a data analysis technique, and data from mouse visual cortex: www.biorxiv.org/content/10.1...
biorxiv.org
High-dimensional neuronal activity from low-dimensional latent dynamics: a solvable model
Computation in recurrent networks of neurons has been hypothesized to occur at the level of low-dimensional latent dynamics, both in artificial systems and in the brain. This hypothesis seems at odds ...
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Reposted by Martín Irani-Cereceda
Jens-Bastian Eppler @j-b-eppler.bsky.social · 07/06/2025
New paper (I played a minor role in)! Representational similarities in mouse auditory cortex remain stable during drift. When Taka Noda ablated neurons, these similarities destabilized but recovered within days - previously unresponsive neurons stepped up to fill gaps. doi.org/10.1038/s415... 🧪🧠
doi.org
Homeostasis of a representational map in the neocortex - Nature Neuroscience
This study investigates how homeostatic mechanisms endow sensory representations in the auditory cortex with resilience against neuron loss. The map of sounds has the ability to recover after microabl...
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The Transmitter @thetransmitter.bsky.social · 03/06/2025
We want to hear from you! We’re conducting a survey on the state of neuroscience. This week’s question is: How will neuroscience training need to change in the future? #neuroskyence thetransmitter.typeform.com/neurotrainin...
thetransmitter.typeform.com
How will neuroscience training need to change in the future?
We want to hear from you.
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micha heilbron @mheilbron.bsky.social · 23/05/2025
New preprint, w/ @predictivebrain.bsky.social ! we've found that visual cortex, even when just viewing natural scenes, predicts *higher-level* visual features The aligns with developments in ML, but challenges some assumptions about early sensory cortex www.biorxiv.org/content/10.1...
biorxiv.org
Higher-level spatial prediction in natural vision across mouse visual cortex
Theories of predictive processing propose that sensory systems constantly predict incoming signals, based on spatial and temporal context. However, evidence for prediction in sensory cortex largely co...
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The Transmitter @thetransmitter.bsky.social · 23/05/2025
Neuroscientists long ignored variability in animals’ behavior in favor of studying differences across groups. But now researchers are studying the brain differences that underlie that variability—and their efforts are beginning to pay off. www.thetransmitter.org/animal-behav...
thetransmitter.org
Escaping groupthink: What animals’ behavioral quirks reveal about the brain
Neuroscientists have long ignored the variability in animals’ behavioral responses in favor of studying differences across groups. But work on the brain differences that underlie that variability is…
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Hayley Bounds @hayleybounds.bsky.social · 15/05/2025
Excited to share my PhD paper! In it, we use targeted 2-photon optogenetic stimulation to determine how V1 activity is read-out in a detection task. We found that network influence, not visual coding properties, predicted the impact of ensembles on behavior - contradicting our expectations (1/5).
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 29/04/2025
Intrinsic rewards guide visual resource allocation via reinforcement learning www.biorxiv.org/content/10.1101/202…
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Nature @nature.com · 29/04/2025
Acceptable image-editing practices are partly a matter of common sense. But researchers say journals and funders could help scientists by standardizing policies. go.nature.com/437FWT6
go.nature.com
The do’s and don’ts of scientific image editing
Acceptable image-editing practices are partly a matter of common sense. But researchers say journals and funders could help scientists by standardizing policies.
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Earl K. Miller @earlkmiller.bsky.social · 23/04/2025
Oscillatory control over representational geometry of sequence working memory in macaque frontal cortex www.cell.com/current-biol... #neuroscience
cell.com
Oscillatory control over representational geometry of sequence working memory in macaque frontal cortex
Fang et al. found that frontal cortical theta-range spike-field coherence is rank-selectively associated with unit spiking-based memory subspaces, supporting the binding of incoming sequential working...
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Martín Irani-Cereceda @martinirani.bsky.social · 23/04/2025
Very humbled to have been selected for the 2025 Beckman Institute Graduate Fellows Program! Excited to continue working at @beckmanillinois.bsky.social under the guidance of Dr. Sepideh Sadaghiani and Dr. Howard Gritton.
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Mathew Summers @summersathome.bsky.social · 15/04/2025
Check out some of our locus coeruleus reconstructions - the average fully reconstructed LC neuron is about 30 cm in length (in a mouse brain that spans ~1.3 cm front to back)
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Nature @nature.com · 15/04/2025
Nature research paper: Inhibitory specificity from a connectomic census of mouse visual cortex go.nature.com/4lkFW9D
go.nature.com
Inhibitory specificity from a connectomic census of mouse visual cortex - Nature
Using volumetric electron microscopy, the authors map and analyze the structure of cortical inhibition with synaptic resolution across a column of visual cortex.
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emmahammond.bsky.social @emmahammond.bsky.social · 02/04/2025
Excited to share that I just published my first ever first-author paper in Psychoneuroendocrinology in the Marler Lab. We found that oxytocin may impair wound healing when animals are isolated. @cmarler.bsky.social @patrickmonari.bsky.social www.sciencedirect.com/science/arti...
sciencedirect.com
Oxytocin impairs wound-healing during social isolation but not social living
Social isolation hampers immune system function, and the biological mechanisms driving this effect remain understudied. We hypothesized that oxytocin …
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Lenka Zdeborová @zdeborova.bsky.social · 31/03/2025
Happy to share the recording of my plenary talk at Cosyne 2025 two days ago. You will learn about the statistical physics approach, phase transitions in learning, transformers, sequence models, attention etc. www.youtube.com/watch?v=PurZ...
youtube.com
Cosyne 2025 - Session 6: Neural network theory
YouTube video by Cosyne Talks
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The Transmitter @thetransmitter.bsky.social · 30/03/2025
Many apparent disagreements over the utility of neural manifolds come from a lack of clarity on what the term really encompasses, argues @mattperich.bsky.social #neuroskyence www.thetransmitter.org/neural-dynam...
thetransmitter.org
Neural manifolds: Latest buzzword or pathway to understand the brain?
When you cut away the misconceptions, neural manifolds present a conceptually appropriate level at which systems neuroscientists can study the brain.
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Guido Meijer @guidomeijer.com · 27/03/2025
Kilosort4 detects a LOT of neurons, I recorded 15k neurons in one year 🤯 Traditionally, one would curate these detected units to see if they are well isolated single neurons. This is not feasible anymore, so today let's look at three options that are out there to automate this process! 🤖👇
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Earl K. Miller @earlkmiller.bsky.social · 26/03/2025
And we need to embrace the likely possibility that brains are more than connectivity patterns and their weightings. That is the start, not the end. Accepting “the bitter lesson” and embracing the brain’s complexity www.thetransmitter.org/neuroai/acce... #neuroscience
thetransmitter.org
Accepting “bitter lesson” and embracing brain’s complexity
To gain insight into complex neural data, we must move toward a data-driven regime, employing large models trained on vast amounts of data. Experts weigh in.
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Earl K. Miller @earlkmiller.bsky.social · 13/03/2025
They conclude the latter, but I object to the question. When someone says "epiphenomenon," I hear "doesn't fit my theory." Oscillations in Natural Neuronal Networks; An Epiphenomenon or a Fundamental Computational Mechanism? link.springer.com/article/10.1... #neuroscience
link.springer.com
Oscillations in Natural Neuronal Networks; An Epiphenomenon or a Fundamental Computational Mechanism? - Human Arenas
The first part of the paper is devoted to a comparison between the functional architectures of the cerebral cortex and artificial intelligent systems. While the two systems share numerous features, na...
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Martin Vinck @martinavinck.bsky.social · 06/03/2025
Happy to see this study led by Irene Onorato finally out - we show distinct phase locking and spike timing of optotagged PV cells and Sst interneuron subtypes during gamma oscillations in mouse visual cortex, suggesting an update to the classic PING model www.sciencedirect.com/science/arti...
sciencedirect.com
Distinct roles of PV and Sst interneurons in visually induced gamma oscillations
Gamma-frequency oscillations are a hallmark of active information processing and are generated by interactions between excitatory and inhibitory neuro…
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Earl K. Miller @earlkmiller.bsky.social · 06/03/2025
Students are being "unaccepted" www.nytimes.com/2025/03/06/u...
nytimes.com
As Trump Goes After Universities, Students Are Now on the Chopping Block
Uncertainty about how much money colleges and universities stand to lose has led some schools to reduce the number of doctoral students, in some cases reneging on offers.
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