Ignacio Rebollo
@brainandstomach.bsky.social
Neuroscientist | Junior Group Leader | Gut-brain interactions | German Institute of Human Nutrition | Berlin-Potsdam, Germany
ignaciorebollo.com
ignaciorebollo.com
Reposted by Ignacio Rebollo
Get ready!
*MindBrainBody Symposium* 2027
Keynotes are confirmed 🥳
@hakwan.bsky.social (online)
@maramather.bsky.social
@camillanord.bsky.social
Hyeongdong Park
Asya Rolls
📆 March 17-19, 2027
📍Berlin & online
📬 Submit by Dec 10, 2026 (!)
🔗 mindbrainbody.de
(official announcement soon)
*MindBrainBody Symposium* 2027
Keynotes are confirmed 🥳
@hakwan.bsky.social (online)
@maramather.bsky.social
@camillanord.bsky.social
Hyeongdong Park
Asya Rolls
📆 March 17-19, 2027
📍Berlin & online
📬 Submit by Dec 10, 2026 (!)
🔗 mindbrainbody.de
(official announcement soon)
September 18, 2026 at 7:52 AM
Get ready!
*MindBrainBody Symposium* 2027
Keynotes are confirmed 🥳
@hakwan.bsky.social (online)
@maramather.bsky.social
@camillanord.bsky.social
Hyeongdong Park
Asya Rolls
📆 March 17-19, 2027
📍Berlin & online
📬 Submit by Dec 10, 2026 (!)
🔗 mindbrainbody.de
(official announcement soon)
*MindBrainBody Symposium* 2027
Keynotes are confirmed 🥳
@hakwan.bsky.social (online)
@maramather.bsky.social
@camillanord.bsky.social
Hyeongdong Park
Asya Rolls
📆 March 17-19, 2027
📍Berlin & online
📬 Submit by Dec 10, 2026 (!)
🔗 mindbrainbody.de
(official announcement soon)
Please share! I will soon advertise a postdoctoral position in my Gut–Brain Interactions Lab at DIfE (Berlin–Potsdam), starting March–June 2027. I’m looking for candidates with expertise in human electrophysiology, ideally multimodal EEG–fMRI. Feel free to contact me informally if interested!
September 17, 2026 at 10:30 AM
Please share! I will soon advertise a postdoctoral position in my Gut–Brain Interactions Lab at DIfE (Berlin–Potsdam), starting March–June 2027. I’m looking for candidates with expertise in human electrophysiology, ideally multimodal EEG–fMRI. Feel free to contact me informally if interested!
Uruguayan neuroscientist doing state of the art brain body interactions !🇺🇾🇺🇾🇺🇾
Uruguayan researchers Matias Cavelli and Joaquin Gonzalez are developing new tools to work with the IBL brain map. In this Q&A they share why they hope to help spark more open science initiatives in Latin America. #neuroskyence
By @franciscorr25.bsky.social
www.thetransmitter.org/open-neurosc...
By @franciscorr25.bsky.social
www.thetransmitter.org/open-neurosc...
The promise of open neuroscience for Latin America
Uruguayan researchers explain how their work with the International Brain Lab could spark more open science initiatives in Latin America.
www.thetransmitter.org
September 3, 2026 at 4:19 PM
Uruguayan neuroscientist doing state of the art brain body interactions !🇺🇾🇺🇾🇺🇾
Reposted by Ignacio Rebollo
Uruguayan researchers Matias Cavelli and Joaquin Gonzalez are developing new tools to work with the IBL brain map. In this Q&A they share why they hope to help spark more open science initiatives in Latin America. #neuroskyence
By @franciscorr25.bsky.social
www.thetransmitter.org/open-neurosc...
By @franciscorr25.bsky.social
www.thetransmitter.org/open-neurosc...
The promise of open neuroscience for Latin America
Uruguayan researchers explain how their work with the International Brain Lab could spark more open science initiatives in Latin America.
www.thetransmitter.org
September 3, 2026 at 3:30 PM
Uruguayan researchers Matias Cavelli and Joaquin Gonzalez are developing new tools to work with the IBL brain map. In this Q&A they share why they hope to help spark more open science initiatives in Latin America. #neuroskyence
By @franciscorr25.bsky.social
www.thetransmitter.org/open-neurosc...
By @franciscorr25.bsky.social
www.thetransmitter.org/open-neurosc...
Reposted by Ignacio Rebollo
Please share widely! 🚀 I am recruiting a PhD student for an exciting cross-species collaborative project using layer fMRI to investigate how interoception shapes cognitive control - Application deadline is: 1.10.2026 - Start: Jan 2027
www.mpg.de/26934670/phd...
www.mpg.de/26934670/phd...
PhD Position (m/f/d) | Ultra-High-Field Layer fMRI of Cognitive Control and Interoception
PhD Position in Ultra-High-Field Layer fMRI of Cognitive Control and Interoception
www.mpg.de
August 21, 2026 at 8:44 AM
Please share widely! 🚀 I am recruiting a PhD student for an exciting cross-species collaborative project using layer fMRI to investigate how interoception shapes cognitive control - Application deadline is: 1.10.2026 - Start: Jan 2027
www.mpg.de/26934670/phd...
www.mpg.de/26934670/phd...
Happy to share the first output of the Gut-Brain Interactions lab, an opinion piece titled "A two-timescale framework for gut–brain influences on arousal, motivation, and affect", now accepted on the Phil Trans Royal Soc B special issue "On the synergy of central and peripheral dynamics"
OSF
osf.io
August 21, 2026 at 12:30 PM
Happy to share the first output of the Gut-Brain Interactions lab, an opinion piece titled "A two-timescale framework for gut–brain influences on arousal, motivation, and affect", now accepted on the Phil Trans Royal Soc B special issue "On the synergy of central and peripheral dynamics"
www.biorxiv.org/content/10.6...
Stomach-brain coupling with EEG decreases during cognitive engagment
Stomach-brain coupling with EEG decreases during cognitive engagment
www.biorxiv.org
August 10, 2026 at 10:26 AM
www.biorxiv.org/content/10.6...
Stomach-brain coupling with EEG decreases during cognitive engagment
Stomach-brain coupling with EEG decreases during cognitive engagment
Parabrachial Ntsr1 neurons modulate food intake and anxiety through a projection to the ventromedial hypothalamus
www.pnas.org/doi/10.1073/...
www.pnas.org/doi/10.1073/...
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
www.pnas.org
August 10, 2026 at 10:25 AM
Parabrachial Ntsr1 neurons modulate food intake and anxiety through a projection to the ventromedial hypothalamus
www.pnas.org/doi/10.1073/...
www.pnas.org/doi/10.1073/...
www.sciencedirect.com/science/arti...
Testing a learning-based account of interoceptive hunger using an illusory induction
People who identified a rumbling sound as coming from their stomach ate more food
Testing a learning-based account of interoceptive hunger using an illusory induction
People who identified a rumbling sound as coming from their stomach ate more food
Testing a learning-based account of interoceptive hunger using an illusory induction
Physiological changes cause many interoceptive cues (e.g., a rumbling stomach), and so it is often assumed they also cause their motivational conseque…
www.sciencedirect.com
August 10, 2026 at 10:25 AM
www.sciencedirect.com/science/arti...
Testing a learning-based account of interoceptive hunger using an illusory induction
People who identified a rumbling sound as coming from their stomach ate more food
Testing a learning-based account of interoceptive hunger using an illusory induction
People who identified a rumbling sound as coming from their stomach ate more food
Reposted by Ignacio Rebollo
Out today in @natneuro.nature.com is (a highly evolved version of) the second chapter of my dissertation (with @eblissmoreau.bsky.social) assessing the comparative anatomy of the insula across 🐁mice, 🐀rats, 🐒monkeys, and 🚶humans!
rdcu.be/fyd7T
rdcu.be/fyd7T
Comparative insights into insula structure and function
Nature Neuroscience - Charbonneau et al. compare how the insula is structured and functions in humans, monkeys and rodents, revealing similarities and differences across species that are likely to...
rdcu.be
August 6, 2026 at 11:35 PM
Out today in @natneuro.nature.com is (a highly evolved version of) the second chapter of my dissertation (with @eblissmoreau.bsky.social) assessing the comparative anatomy of the insula across 🐁mice, 🐀rats, 🐒monkeys, and 🚶humans!
rdcu.be/fyd7T
rdcu.be/fyd7T
Reposted by Ignacio Rebollo
Sensing your body (‘Interoception’) is everywhere in theories of mental health.
But when we tested how well hundreds of people sensed their heart and lungs, the link to symptoms was almost nowhere to be found. 💣
🚨New @natmentalhealth.nature.com paper 🚨🎉 asks why 🧵
www.nature.com/articles/s44...
But when we tested how well hundreds of people sensed their heart and lungs, the link to symptoms was almost nowhere to be found. 💣
🚨New @natmentalhealth.nature.com paper 🚨🎉 asks why 🧵
www.nature.com/articles/s44...
July 23, 2026 at 11:56 AM
Sensing your body (‘Interoception’) is everywhere in theories of mental health.
But when we tested how well hundreds of people sensed their heart and lungs, the link to symptoms was almost nowhere to be found. 💣
🚨New @natmentalhealth.nature.com paper 🚨🎉 asks why 🧵
www.nature.com/articles/s44...
But when we tested how well hundreds of people sensed their heart and lungs, the link to symptoms was almost nowhere to be found. 💣
🚨New @natmentalhealth.nature.com paper 🚨🎉 asks why 🧵
www.nature.com/articles/s44...
Reposted by Ignacio Rebollo
Out now in @natcomms.nature.com, our latest from @bodybrainbehaviour.bsky.social: Visual perception, oscillatory excitability markers, and network connectivity are modulated by the breathing rhythm - depending on how much you know about the stimulus.
#brainbody #neuroskyence
#brainbody #neuroskyence
Respiration as a dynamic modulator of sensory sampling
Nature Communications - Breathing shapes perception: Inspiration upregulates arousal and excitability, sharpening sensitivity to visual signals. By aligning respiration with task timing, people...
rdcu.be
April 8, 2026 at 1:23 PM
Out now in @natcomms.nature.com, our latest from @bodybrainbehaviour.bsky.social: Visual perception, oscillatory excitability markers, and network connectivity are modulated by the breathing rhythm - depending on how much you know about the stimulus.
#brainbody #neuroskyence
#brainbody #neuroskyence
Reposted by Ignacio Rebollo
New paper in Imaging Neuroscience by Zhishun Wang, Jack Grinband, et al:
MEPrep: A robust pipeline for multi-echo fMRI denoising and preprocessing
doi.org/10.1162/IMAG...
MEPrep: A robust pipeline for multi-echo fMRI denoising and preprocessing
doi.org/10.1162/IMAG...
April 7, 2026 at 6:14 AM
New paper in Imaging Neuroscience by Zhishun Wang, Jack Grinband, et al:
MEPrep: A robust pipeline for multi-echo fMRI denoising and preprocessing
doi.org/10.1162/IMAG...
MEPrep: A robust pipeline for multi-echo fMRI denoising and preprocessing
doi.org/10.1162/IMAG...
rs-fMRI methods question for the hive mind:
What’s your practical cutoff for excluding a whole resting-state run due to motion? Using FD > 0.3 mm as the threshold, at what % of contaminated frames do you usually drop the run?
What’s your practical cutoff for excluding a whole resting-state run due to motion? Using FD > 0.3 mm as the threshold, at what % of contaminated frames do you usually drop the run?
April 3, 2026 at 1:23 PM
rs-fMRI methods question for the hive mind:
What’s your practical cutoff for excluding a whole resting-state run due to motion? Using FD > 0.3 mm as the threshold, at what % of contaminated frames do you usually drop the run?
What’s your practical cutoff for excluding a whole resting-state run due to motion? Using FD > 0.3 mm as the threshold, at what % of contaminated frames do you usually drop the run?
Reposted by Ignacio Rebollo
🧵 I gave Claude two things: a short paper (doi.org/10.1073/pnas...) and a raw behavioural dataset with 3 lines of variable descriptions.
Then I asked it to fit three computational RL models described only by equations in the manuscript. No code, no toolbox, no guidance on the fitting procedure. 1/3
Then I asked it to fit three computational RL models described only by equations in the manuscript. No code, no toolbox, no guidance on the fitting procedure. 1/3
April 2, 2026 at 7:48 AM
🧵 I gave Claude two things: a short paper (doi.org/10.1073/pnas...) and a raw behavioural dataset with 3 lines of variable descriptions.
Then I asked it to fit three computational RL models described only by equations in the manuscript. No code, no toolbox, no guidance on the fitting procedure. 1/3
Then I asked it to fit three computational RL models described only by equations in the manuscript. No code, no toolbox, no guidance on the fitting procedure. 1/3
matlab is fun until you have to start paying for your lab’s licenses
March 26, 2026 at 12:31 PM
matlab is fun until you have to start paying for your lab’s licenses
Congratulations Leah what an unstoppable force!!!
🎉 Excited to share our publication in PNAS! 🎉
What happens when our stream of consciousness turns towards the body? Our fMRI study of 536 individuals finds that 'body-wandering' is associated with patterns of brain connectivity, physiology, affect, and mental health:
www.pnas.org/doi/full/10....
What happens when our stream of consciousness turns towards the body? Our fMRI study of 536 individuals finds that 'body-wandering' is associated with patterns of brain connectivity, physiology, affect, and mental health:
www.pnas.org/doi/full/10....
March 26, 2026 at 7:24 AM
Congratulations Leah what an unstoppable force!!!
Reposted by Ignacio Rebollo
Is there a single "interoceptive sense"? Our new study in
@commspsychol.nature.com says: probably not. In 241 participants, cardiac and respiratory interoception were completely uncorrelated — only subjective confidence was shared across domains. www.nature.com/articles/s44... #psychscisky 🧪
@commspsychol.nature.com says: probably not. In 241 participants, cardiac and respiratory interoception were completely uncorrelated — only subjective confidence was shared across domains. www.nature.com/articles/s44... #psychscisky 🧪
March 19, 2026 at 7:46 AM
Is there a single "interoceptive sense"? Our new study in
@commspsychol.nature.com says: probably not. In 241 participants, cardiac and respiratory interoception were completely uncorrelated — only subjective confidence was shared across domains. www.nature.com/articles/s44... #psychscisky 🧪
@commspsychol.nature.com says: probably not. In 241 participants, cardiac and respiratory interoception were completely uncorrelated — only subjective confidence was shared across domains. www.nature.com/articles/s44... #psychscisky 🧪
Reposted by Ignacio Rebollo
Incredibly excited to finally share this project! Most heartfelt thanks to everyone involved for their support 🫶🏻 Looking forward to much more gut-brain research to come!
New @bodybrainbehaviour.bsky.social preprint, and this is a big one for the lab: @teresaberther.bsky.social did the deepest of dives into #gut-brain coupling with MEG and HD gastrography.
www.biorxiv.org/content/10.6...
A brief 🧵on our first trip into this corner of #brain-body #neuroskyence:
www.biorxiv.org/content/10.6...
A brief 🧵on our first trip into this corner of #brain-body #neuroskyence:
www.biorxiv.org
March 17, 2026 at 3:55 PM
Incredibly excited to finally share this project! Most heartfelt thanks to everyone involved for their support 🫶🏻 Looking forward to much more gut-brain research to come!
So thrilled to see this work out. the stomach rhythm modulates brain wide electro physiological rhythms in resting wakefulness. It’s been a real privilege to collaborate with brilliant @teresaberther.bsky.social and @danlikesbrains.bsky.social in this project. hopefully first of many
New @bodybrainbehaviour.bsky.social preprint, and this is a big one for the lab: @teresaberther.bsky.social did the deepest of dives into #gut-brain coupling with MEG and HD gastrography.
www.biorxiv.org/content/10.6...
A brief 🧵on our first trip into this corner of #brain-body #neuroskyence:
www.biorxiv.org/content/10.6...
A brief 🧵on our first trip into this corner of #brain-body #neuroskyence:
www.biorxiv.org
March 17, 2026 at 3:07 PM
So thrilled to see this work out. the stomach rhythm modulates brain wide electro physiological rhythms in resting wakefulness. It’s been a real privilege to collaborate with brilliant @teresaberther.bsky.social and @danlikesbrains.bsky.social in this project. hopefully first of many
Reposted by Ignacio Rebollo
New @bodybrainbehaviour.bsky.social preprint, and this is a big one for the lab: @teresaberther.bsky.social did the deepest of dives into #gut-brain coupling with MEG and HD gastrography.
www.biorxiv.org/content/10.6...
A brief 🧵on our first trip into this corner of #brain-body #neuroskyence:
www.biorxiv.org/content/10.6...
A brief 🧵on our first trip into this corner of #brain-body #neuroskyence:
www.biorxiv.org
March 17, 2026 at 3:02 PM
New @bodybrainbehaviour.bsky.social preprint, and this is a big one for the lab: @teresaberther.bsky.social did the deepest of dives into #gut-brain coupling with MEG and HD gastrography.
www.biorxiv.org/content/10.6...
A brief 🧵on our first trip into this corner of #brain-body #neuroskyence:
www.biorxiv.org/content/10.6...
A brief 🧵on our first trip into this corner of #brain-body #neuroskyence:
Reposted by Ignacio Rebollo
"...interoceptomimetics that stimulate gut–brain communication may counteract age-associated cognitive decline"
In mice but still 😊
@brainandstomach.bsky.social
My word of the day: "interoceptomimetics"
#MindBrainBody
In mice but still 😊
@brainandstomach.bsky.social
My word of the day: "interoceptomimetics"
#MindBrainBody
Remarkable study from Christoph Thaiss and colleagues demonstrating a lifespan impact of a microbiome-vagal-CNS pathway dysfunction of gut interoception
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Intestinal interoceptive dysfunction drives age-associated cognitive decline - Nature
Age-related microbiome changes increase medium-chain fatty acid-producing bacteria, driving GPR84-mediated myeloid inflammation, impaired vagal signalling and hippocampal dysfunction; targeting this g...
www.nature.com
March 11, 2026 at 10:20 PM
"...interoceptomimetics that stimulate gut–brain communication may counteract age-associated cognitive decline"
In mice but still 😊
@brainandstomach.bsky.social
My word of the day: "interoceptomimetics"
#MindBrainBody
In mice but still 😊
@brainandstomach.bsky.social
My word of the day: "interoceptomimetics"
#MindBrainBody
Reposted by Ignacio Rebollo
Happy to share our new Opinion now out in @cp-trendsneuro.bsky.social, with Catherine Tallon-Baudry and Anthony Clément!
A dual-function framework of interoception: the information and coordination modes of interoceptive signaling
Full access:
authors.elsevier.com/a/1miOLbotqB...
#neuroskyence
A dual-function framework of interoception: the information and coordination modes of interoceptive signaling
Full access:
authors.elsevier.com/a/1miOLbotqB...
#neuroskyence
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authors.elsevier.com
March 3, 2026 at 9:10 AM
Happy to share our new Opinion now out in @cp-trendsneuro.bsky.social, with Catherine Tallon-Baudry and Anthony Clément!
A dual-function framework of interoception: the information and coordination modes of interoceptive signaling
Full access:
authors.elsevier.com/a/1miOLbotqB...
#neuroskyence
A dual-function framework of interoception: the information and coordination modes of interoceptive signaling
Full access:
authors.elsevier.com/a/1miOLbotqB...
#neuroskyence
Reposted by Ignacio Rebollo
#MSCA success rates now below 10%, yet the work that goes into writing this application is immense. Beyond the obvious increase in funding we need to find ways to lighten the time investment as well. Thousands of researchers spend weeks if not months working on this.
Let's look at some numbers
2022: 7 044 applications submitted. 17.9 % success rate
2023: 8 039 applications submitted. 15.8 % success rate
2024: 10 360 applications submitted. 16.6 % success rate
2025: 17 058 applications submitted (record high). 9.7% success rate (preliminary numbers).
2022: 7 044 applications submitted. 17.9 % success rate
2023: 8 039 applications submitted. 15.8 % success rate
2024: 10 360 applications submitted. 16.6 % success rate
2025: 17 058 applications submitted (record high). 9.7% success rate (preliminary numbers).
February 10, 2026 at 7:19 AM
#MSCA success rates now below 10%, yet the work that goes into writing this application is immense. Beyond the obvious increase in funding we need to find ways to lighten the time investment as well. Thousands of researchers spend weeks if not months working on this.
Reposted by Ignacio Rebollo
New preprint with Nicolai Wolpert and Catherine Tallon-Baudry !
Reaction times across three distinct perceptual tasks (total N = 90) varied with the electrical rhythm of the stomach.
#neuroskyence
Reaction times across three distinct perceptual tasks (total N = 90) varied with the electrical rhythm of the stomach.
#neuroskyence
Perceptual reaction times are coupled to the gastric electrical rhythm https://www.biorxiv.org/content/10.64898/2026.01.18.700150v1
January 22, 2026 at 8:44 AM
New preprint with Nicolai Wolpert and Catherine Tallon-Baudry !
Reaction times across three distinct perceptual tasks (total N = 90) varied with the electrical rhythm of the stomach.
#neuroskyence
Reaction times across three distinct perceptual tasks (total N = 90) varied with the electrical rhythm of the stomach.
#neuroskyence