Nils Kroemer
@nbkroemer.bsky.social
Neuroscientist | Professor of Medical Psychology at U Bonn | PI Neuroscience of Motivation, Action, & Desire Lab at U Bonn & Tübingen
aka @cornu_copiae
aka @cornu_copiae
Pinned
Nils Kroemer
@nbkroemer.bsky.social
· Apr 3
Do you get in a bad mood if you are hungry? Over 4 weeks with EMA+CGM, we tested if mood shifts are subconsciously driven by glucose levels or ratings of metabolic state #neuroskyence 🩺
Work w/ @kristinkaduk.bsky.social @akuehnel.bsky.social @derntllab.bsky.social
www.biorxiv.org/content/10.1...
Work w/ @kristinkaduk.bsky.social @akuehnel.bsky.social @derntllab.bsky.social
www.biorxiv.org/content/10.1...
Reposted by Nils Kroemer
'Robust circular cluster-based statistics
for respiration-brain coupling'
New preprint, and what a way to welcome @teresaberther.bsky.social to the #neuroskyence community. With @eliobalestrieri.bsky.social, she developed CBPT for circular #bodybrain analyses.
Paper: osf.io/preprints/ps...
🧵🔽
for respiration-brain coupling'
New preprint, and what a way to welcome @teresaberther.bsky.social to the #neuroskyence community. With @eliobalestrieri.bsky.social, she developed CBPT for circular #bodybrain analyses.
Paper: osf.io/preprints/ps...
🧵🔽
November 26, 2025 at 3:15 PM
'Robust circular cluster-based statistics
for respiration-brain coupling'
New preprint, and what a way to welcome @teresaberther.bsky.social to the #neuroskyence community. With @eliobalestrieri.bsky.social, she developed CBPT for circular #bodybrain analyses.
Paper: osf.io/preprints/ps...
🧵🔽
for respiration-brain coupling'
New preprint, and what a way to welcome @teresaberther.bsky.social to the #neuroskyence community. With @eliobalestrieri.bsky.social, she developed CBPT for circular #bodybrain analyses.
Paper: osf.io/preprints/ps...
🧵🔽
Reposted by Nils Kroemer
Thrilled to share our new paper!
With @tomtom-auer.bsky.social team, we asked how #evolution reshapes what animals #eat to match their ecological niches. Using pan-neuronal Ca2+ imaging, we show that the changes are in how the brain processes #taste.
Link @nature.com: www.nature.com/articles/s41...
With @tomtom-auer.bsky.social team, we asked how #evolution reshapes what animals #eat to match their ecological niches. Using pan-neuronal Ca2+ imaging, we show that the changes are in how the brain processes #taste.
Link @nature.com: www.nature.com/articles/s41...
Evolution of taste processing shifts dietary preference - Nature
Calcium imaging of taste neurons and the ventral brain provides insight into evolutionary divergence of food choice in Drosophila species, supporting a role of sensorimotor processing in addition to p...
www.nature.com
November 26, 2025 at 4:33 PM
Thrilled to share our new paper!
With @tomtom-auer.bsky.social team, we asked how #evolution reshapes what animals #eat to match their ecological niches. Using pan-neuronal Ca2+ imaging, we show that the changes are in how the brain processes #taste.
Link @nature.com: www.nature.com/articles/s41...
With @tomtom-auer.bsky.social team, we asked how #evolution reshapes what animals #eat to match their ecological niches. Using pan-neuronal Ca2+ imaging, we show that the changes are in how the brain processes #taste.
Link @nature.com: www.nature.com/articles/s41...
Reposted by Nils Kroemer
Synesthetes claim sensory experiences, such as seeing color when reading or hearing a (black) number.
But how genuine are these reports and sensations? We introduce a rather direct measure of synesthetic perception: Synesthetes’ pupils respond to evoked color as if it was real color #vision! 👁️🎨🧪
November 26, 2025 at 4:40 PM
Synesthetes claim sensory experiences, such as seeing color when reading or hearing a (black) number.
But how genuine are these reports and sensations? We introduce a rather direct measure of synesthetic perception: Synesthetes’ pupils respond to evoked color as if it was real color #vision! 👁️🎨🧪
Reposted by Nils Kroemer
🚨Friends, we’re happy to share that our book is available for pre-order! 🎉
We aimed to cover all the foundations of the topic in an accessible manner for a large audience.
It could help set up a bachelor-level curriculum on the topic.
Pre-orders are very key for the fate of books: shorturl.at/Dxbif
We aimed to cover all the foundations of the topic in an accessible manner for a large audience.
It could help set up a bachelor-level curriculum on the topic.
Pre-orders are very key for the fate of books: shorturl.at/Dxbif
November 26, 2025 at 11:38 AM
🚨Friends, we’re happy to share that our book is available for pre-order! 🎉
We aimed to cover all the foundations of the topic in an accessible manner for a large audience.
It could help set up a bachelor-level curriculum on the topic.
Pre-orders are very key for the fate of books: shorturl.at/Dxbif
We aimed to cover all the foundations of the topic in an accessible manner for a large audience.
It could help set up a bachelor-level curriculum on the topic.
Pre-orders are very key for the fate of books: shorturl.at/Dxbif
Reposted by Nils Kroemer
New lab paper drop, this one has been a long time coming! Driven by Rob Aukema (now a postdoc with Kerry Ressler) this paper in Science Advances answered the lingering question of what role the amygdala plays in stress-induced neuroendocrine responses.
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
A network of basolateral amygdala projection neurons contributes to stress-induced activation of the hypothalamic-pituitary-adrenal axis
A network of basolateral amygdala neurons, but not singular projections, contributes to the neuroendocrine response to stress.
www.science.org
November 25, 2025 at 10:13 PM
New lab paper drop, this one has been a long time coming! Driven by Rob Aukema (now a postdoc with Kerry Ressler) this paper in Science Advances answered the lingering question of what role the amygdala plays in stress-induced neuroendocrine responses.
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Reposted by Nils Kroemer
Great piece on #interoception and brain body interactions by @carlzimmer.com in the @nytimes.com www.nytimes.com/2025/11/25/s... What an exciting time to work on this. Join us @cshlmeetings.bsky.social to learn more about the this exciting field meetings.cshl.edu/meetings.asp...
Mapping the Sense of What’s Going On Inside
www.nytimes.com
November 26, 2025 at 8:58 AM
Great piece on #interoception and brain body interactions by @carlzimmer.com in the @nytimes.com www.nytimes.com/2025/11/25/s... What an exciting time to work on this. Join us @cshlmeetings.bsky.social to learn more about the this exciting field meetings.cshl.edu/meetings.asp...
Reposted by Nils Kroemer
#BrainHealth & physical health should be studied together: Multivariate study of #UKBioBank by @sarahgenon.bsky.social &co uncovers links between #cardiometabolic health, physical robustness, #brain structure & #neurotransmitter systems @plosbiology.org 🧪 plos.io/48j0UQg
November 25, 2025 at 5:40 PM
#BrainHealth & physical health should be studied together: Multivariate study of #UKBioBank by @sarahgenon.bsky.social &co uncovers links between #cardiometabolic health, physical robustness, #brain structure & #neurotransmitter systems @plosbiology.org 🧪 plos.io/48j0UQg
Reposted by Nils Kroemer
Preconfigured neuronal firing sequences in human brain organoids www.nature.com/articles/s41... "...results suggest that temporal sequences do not arise in an experience-dependent manner, but are rather constrained by a preconfigured architecture established during neurodevelopment"
Preconfigured neuronal firing sequences in human brain organoids - Nature Neuroscience
Examining human brain organoids and ex vivo neonatal murine cortical slices demonstrates that structured neuronal sequences emerge independently of sensory input, highlighting the potential of brain o...
www.nature.com
November 25, 2025 at 7:58 AM
Preconfigured neuronal firing sequences in human brain organoids www.nature.com/articles/s41... "...results suggest that temporal sequences do not arise in an experience-dependent manner, but are rather constrained by a preconfigured architecture established during neurodevelopment"
Packing all the stuff in my office because we finally have to move to a different building (where we already had some offices). It's just temporary, though. The planned construction work is a mere two years, and there will probably be no delays, right?
November 25, 2025 at 9:51 AM
Packing all the stuff in my office because we finally have to move to a different building (where we already had some offices). It's just temporary, though. The planned construction work is a mere two years, and there will probably be no delays, right?
Reposted by Nils Kroemer
📢To all scientists working on STRESS and/or RESILIENCE:
Save the date: 2027 GSRNet Conference, February 3–5, 2027 in Lausanne
Cutting-edge science, discussion sessions & great networking across our global community to connect, exchange, and advance our field together
Check for updates gsr-net.org
Save the date: 2027 GSRNet Conference, February 3–5, 2027 in Lausanne
Cutting-edge science, discussion sessions & great networking across our global community to connect, exchange, and advance our field together
Check for updates gsr-net.org
November 23, 2025 at 2:19 PM
📢To all scientists working on STRESS and/or RESILIENCE:
Save the date: 2027 GSRNet Conference, February 3–5, 2027 in Lausanne
Cutting-edge science, discussion sessions & great networking across our global community to connect, exchange, and advance our field together
Check for updates gsr-net.org
Save the date: 2027 GSRNet Conference, February 3–5, 2027 in Lausanne
Cutting-edge science, discussion sessions & great networking across our global community to connect, exchange, and advance our field together
Check for updates gsr-net.org
Reposted by Nils Kroemer
Excited to share that the main work of my PhD has been published!
We found that having control over pain makes expectations more precise, and changes pain perception. This is accompanied by activation changes in the PAG, SMA and ACC.
You can read the full version of the paper here: rdcu.be/eQy6X
We found that having control over pain makes expectations more precise, and changes pain perception. This is accompanied by activation changes in the PAG, SMA and ACC.
You can read the full version of the paper here: rdcu.be/eQy6X
Controllability changes pain perception by increasing the precision of expectations
Nature Communications - Control over pain changes how intense it is perceived. Here, the authors show that this effect results from increased expectation precision with control, which changes...
rdcu.be
November 22, 2025 at 1:50 PM
Excited to share that the main work of my PhD has been published!
We found that having control over pain makes expectations more precise, and changes pain perception. This is accompanied by activation changes in the PAG, SMA and ACC.
You can read the full version of the paper here: rdcu.be/eQy6X
We found that having control over pain makes expectations more precise, and changes pain perception. This is accompanied by activation changes in the PAG, SMA and ACC.
You can read the full version of the paper here: rdcu.be/eQy6X
Many things are annoying about the typical peer review process. But sometimes, you are fortunate to review a great paper with a clear rationale and methods, and it inspires you to think about the implications for your own work. The signal, in a sea of noise.
November 21, 2025 at 5:09 PM
Many things are annoying about the typical peer review process. But sometimes, you are fortunate to review a great paper with a clear rationale and methods, and it inspires you to think about the implications for your own work. The signal, in a sea of noise.
Reposted by Nils Kroemer
Very excited to hear about this! We find Bayesian multi-level modeling at the ROI level super helpful (e.g. www.cell.com/neuron/fullt... ), will be nice to not have to artificially carve the data into parcels a priori!
November 20, 2025 at 8:35 PM
Very excited to hear about this! We find Bayesian multi-level modeling at the ROI level super helpful (e.g. www.cell.com/neuron/fullt... ), will be nice to not have to artificially carve the data into parcels a priori!
Reposted by Nils Kroemer
1/6 Excited to share our new Nature Protocols article led by Tatiana Shnitko: “Measurement of electrochemical brain activity with fast-scan cyclic voltammetry during fMRI”, a step-by-step guide for simultaneous FSCV + fMRI.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
November 20, 2025 at 2:15 PM
1/6 Excited to share our new Nature Protocols article led by Tatiana Shnitko: “Measurement of electrochemical brain activity with fast-scan cyclic voltammetry during fMRI”, a step-by-step guide for simultaneous FSCV + fMRI.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Nils Kroemer
Very excited to introduce InteroMap, a new bodily mapping tool designed to measure how we subjectively experience our bodily sensations, what we call interoceptive phenomenology 🧵👇
November 18, 2025 at 10:07 PM
Very excited to introduce InteroMap, a new bodily mapping tool designed to measure how we subjectively experience our bodily sensations, what we call interoceptive phenomenology 🧵👇
Reposted by Nils Kroemer
Out now in Communications Biology 🧠 🫀We show that cardiac oscillations associated with vagal tone influence the strength of the heartbeat as sensed at brain level. We hypothesize that the heart may send information to the brain, encoded by the heartbeat strength doi.org/10.1038/s420...
Cardiac-vagal rhythm echoes on the heartbeat’s mechanosensory imprint in the brain - Communications Biology
Vagal-driven heart rhythm fluctuations modulate the heartbeat strength sensed in the head, linking cardiac rhythms to brain mechanosensation. These findings highlight vagal tone’s role in shaping brai...
doi.org
November 17, 2025 at 10:22 PM
Out now in Communications Biology 🧠 🫀We show that cardiac oscillations associated with vagal tone influence the strength of the heartbeat as sensed at brain level. We hypothesize that the heart may send information to the brain, encoded by the heartbeat strength doi.org/10.1038/s420...
Reposted by Nils Kroemer
An international collaboration fails to replicate one FUS (/TUS) protocol previously thought to change motor cortex excitability.
We're firmly in the phase of 'okay, so what *really* works?' with FUS. Great to see these kinds of efforts to find robust effects 👍
direct.mit.edu/imag/article...
We're firmly in the phase of 'okay, so what *really* works?' with FUS. Great to see these kinds of efforts to find robust effects 👍
direct.mit.edu/imag/article...
A Double-Blind Replication Attempt of Offline 5Hz-rTUS-Induced Corticospinal Excitability
Abstract. Transcranial ultrasound stimulation (TUS) is a promising new form of non-invasive neuromodulation. As a nascent technique, replication of its effects on brain function is important. Of parti...
direct.mit.edu
November 18, 2025 at 12:06 PM
An international collaboration fails to replicate one FUS (/TUS) protocol previously thought to change motor cortex excitability.
We're firmly in the phase of 'okay, so what *really* works?' with FUS. Great to see these kinds of efforts to find robust effects 👍
direct.mit.edu/imag/article...
We're firmly in the phase of 'okay, so what *really* works?' with FUS. Great to see these kinds of efforts to find robust effects 👍
direct.mit.edu/imag/article...
Reposted by Nils Kroemer
1/
New preprint on causal control of Pavlovian go bias:
Aster et al. “Continuous theta-burst stimulation of the vmPFC reduces Pavlovian go-invigoration and enhances thalamo-striatal RPE signals” (n=90, cTBS-fMRI Go/NoGo).
🔗 www.biorxiv.org/content/10.1...
#RewardSignals #neurosky #neuroskyence
New preprint on causal control of Pavlovian go bias:
Aster et al. “Continuous theta-burst stimulation of the vmPFC reduces Pavlovian go-invigoration and enhances thalamo-striatal RPE signals” (n=90, cTBS-fMRI Go/NoGo).
🔗 www.biorxiv.org/content/10.1...
#RewardSignals #neurosky #neuroskyence
doi.org
November 17, 2025 at 9:19 PM
1/
New preprint on causal control of Pavlovian go bias:
Aster et al. “Continuous theta-burst stimulation of the vmPFC reduces Pavlovian go-invigoration and enhances thalamo-striatal RPE signals” (n=90, cTBS-fMRI Go/NoGo).
🔗 www.biorxiv.org/content/10.1...
#RewardSignals #neurosky #neuroskyence
New preprint on causal control of Pavlovian go bias:
Aster et al. “Continuous theta-burst stimulation of the vmPFC reduces Pavlovian go-invigoration and enhances thalamo-striatal RPE signals” (n=90, cTBS-fMRI Go/NoGo).
🔗 www.biorxiv.org/content/10.1...
#RewardSignals #neurosky #neuroskyence
Reposted by Nils Kroemer
My paper is out!
Computational modeling of error patterns during reward-based learning show evidence that habit learning (value free!) supplements working memory in 7 human data sets.
rdcu.be/eQjLN
Computational modeling of error patterns during reward-based learning show evidence that habit learning (value free!) supplements working memory in 7 human data sets.
rdcu.be/eQjLN
A habit and working memory model as an alternative account of human reward-based learning
Nature Human Behaviour - In this study, Collins proposes an alternative dual-process (working memory and habit) model of reinforcement learning in humans.
rdcu.be
November 17, 2025 at 5:18 PM
My paper is out!
Computational modeling of error patterns during reward-based learning show evidence that habit learning (value free!) supplements working memory in 7 human data sets.
rdcu.be/eQjLN
Computational modeling of error patterns during reward-based learning show evidence that habit learning (value free!) supplements working memory in 7 human data sets.
rdcu.be/eQjLN
Reposted by Nils Kroemer
New paper out! 🚀
Using a differentiable implementation of the reduced Wong–Wang model, we optimized whole-brain simulations for 1444 subjects.
onlinelibrary.wiley.com/doi/10.1002/...
Using a differentiable implementation of the reduced Wong–Wang model, we optimized whole-brain simulations for 1444 subjects.
onlinelibrary.wiley.com/doi/10.1002/...
November 17, 2025 at 8:59 AM
New paper out! 🚀
Using a differentiable implementation of the reduced Wong–Wang model, we optimized whole-brain simulations for 1444 subjects.
onlinelibrary.wiley.com/doi/10.1002/...
Using a differentiable implementation of the reduced Wong–Wang model, we optimized whole-brain simulations for 1444 subjects.
onlinelibrary.wiley.com/doi/10.1002/...
Sunday night editing of @mkoerdel.bsky.social's latest draft on the association between glucose levels and stress with a glass of wine. This will age into a fine preprint soon.
kermit the frog is wearing a suit and tie and holding a glass of wine and saying `` hmm . cheers . ''
ALT: kermit the frog is wearing a suit and tie and holding a glass of wine and saying `` hmm . cheers . ''
media.tenor.com
November 16, 2025 at 9:00 PM
Sunday night editing of @mkoerdel.bsky.social's latest draft on the association between glucose levels and stress with a glass of wine. This will age into a fine preprint soon.
Reposted by Nils Kroemer
New perspective paper out now in @plosbiology.org with a few thoughts on #interoception: What it is (or rather is not), how it can inform therapeutic interventions, and where (we think) the field of brain-body #neuroskyence has yet to find more solid ground to build on.
doi.org/10.1371/jour...
doi.org/10.1371/jour...
Beyond the buzz: Grounding interoceptive interventions in mechanisms of brain–body coupling
The field of interoception research is growing at a rapid pace. This Perspective highlights why establishing both mechanistic insight and construct validity will be critical prerequisites for developi...
doi.org
November 14, 2025 at 7:39 AM
New perspective paper out now in @plosbiology.org with a few thoughts on #interoception: What it is (or rather is not), how it can inform therapeutic interventions, and where (we think) the field of brain-body #neuroskyence has yet to find more solid ground to build on.
doi.org/10.1371/jour...
doi.org/10.1371/jour...
Reposted by Nils Kroemer
Structure in noise: Recurrent connectivity shapes neural variability to balance perceptual and cognitive demands in the human brain www.cell.com/neuron/fullt... (noise is a tunable feature, not a bug)
Structure in noise: Recurrent connectivity shapes neural variability to balance perceptual and cognitive demands in the human brain
Does neural variability reflect random noise or a feature that benefits adaptive behavior?
Using intracranial recordings in humans, Terlau et al. demonstrate that neural variability
results from the r...
www.cell.com
November 13, 2025 at 1:45 PM
Structure in noise: Recurrent connectivity shapes neural variability to balance perceptual and cognitive demands in the human brain www.cell.com/neuron/fullt... (noise is a tunable feature, not a bug)
Reposted by Nils Kroemer
First up, this paper led by Bronagh McCoy: journals.plos.org/ploscompbiol...
When noise and volatility are independently manipulated people behave differently depending on their anxious traits.
When noise and volatility are independently manipulated people behave differently depending on their anxious traits.
The relationship between anxious traits and learning about changes in stochasticity and volatility
Author summary Adapting to changes in our environment is a daily endeavour. To do so, humans and animals alike make use of feedback to guide future actions. Uncertainty in the environment can arise fr...
journals.plos.org
November 13, 2025 at 11:51 AM
First up, this paper led by Bronagh McCoy: journals.plos.org/ploscompbiol...
When noise and volatility are independently manipulated people behave differently depending on their anxious traits.
When noise and volatility are independently manipulated people behave differently depending on their anxious traits.
Reposted by Nils Kroemer
14 months after submission, our article “Stimulus-modulated approach to steady state (SASS): a flexible paradigm for event-related fMRI" is now out in @natmethods.nature.com . You can read it here rdcu.be/ePJo6
It is the first first author paper from my student @renilmathew.bsky.social 👏🏽👏🏽👏🏽 …1/N
It is the first first author paper from my student @renilmathew.bsky.social 👏🏽👏🏽👏🏽 …1/N
Stimulus-modulated approach to steady state (SASS): a flexible paradigm for event-related fMRI
Nature Methods - Stimulus-modulated approach to steady state (SASS) is an acquisition scheme for event-related fMRI that generates data with high temporal signal-to-noise ratios interspaced with...
rdcu.be
November 13, 2025 at 12:23 PM
14 months after submission, our article “Stimulus-modulated approach to steady state (SASS): a flexible paradigm for event-related fMRI" is now out in @natmethods.nature.com . You can read it here rdcu.be/ePJo6
It is the first first author paper from my student @renilmathew.bsky.social 👏🏽👏🏽👏🏽 …1/N
It is the first first author paper from my student @renilmathew.bsky.social 👏🏽👏🏽👏🏽 …1/N