Tim Lawn
@timlawn.bsky.social
Postdoctoral fellow 🧠 @MGHMartinos @harvardmed
Neuromodulatory systems | Heterogeneity | Networks
https://timlawn.github.io/
Neuromodulatory systems | Heterogeneity | Networks
https://timlawn.github.io/
Reposted by Tim Lawn
Highly recommend for ECRs in cognitive neuroscience! 👍
We are excited to announce #COGNESTIC 2026 @mrccbu.bsky.social in Cambridge, between 14-25 Sep 2026. Our 2-week summer school provides training in state-of-the-art methods for open neuroimaging analysis and great opportunities for professional networking:
www.mrc-cbu.cam.ac.uk/events/cogne...
www.mrc-cbu.cam.ac.uk/events/cogne...
November 17, 2025 at 9:20 PM
Highly recommend for ECRs in cognitive neuroscience! 👍
Reposted by Tim Lawn
Towards an informational account of interpersonal coordination — a Perspective by Edoardo Chidichimo, Andrea I. Luppi, Pedro A. M. Mediano, Victoria Leong, Guillaume Dumas, Andrés Canales-Johnson & Richard A. I. Bethlehem
#neuroscience #neuroskyence
www.nature.com/articles/s41...
#neuroscience #neuroskyence
www.nature.com/articles/s41...
Towards an informational account of interpersonal coordination - Nature Reviews Neuroscience
Methodological shortcomings have constrained studies describing the complex dynamics of interpersonal coordination, which is essential to human sociality. In this Perspective, Chidichimo et al. advanc...
www.nature.com
November 18, 2025 at 12:32 PM
Towards an informational account of interpersonal coordination — a Perspective by Edoardo Chidichimo, Andrea I. Luppi, Pedro A. M. Mediano, Victoria Leong, Guillaume Dumas, Andrés Canales-Johnson & Richard A. I. Bethlehem
#neuroscience #neuroskyence
www.nature.com/articles/s41...
#neuroscience #neuroskyence
www.nature.com/articles/s41...
Reposted by Tim Lawn
Short trains of transcutaneous vagus nerve stimulation increase online corticospinal excitability and pupil size in humans https://www.biorxiv.org/content/10.1101/2025.11.14.688461v1
November 16, 2025 at 11:16 PM
Short trains of transcutaneous vagus nerve stimulation increase online corticospinal excitability and pupil size in humans https://www.biorxiv.org/content/10.1101/2025.11.14.688461v1
Reposted by Tim Lawn
I was so lucky to have Jonny as my PhD supervisor. He was a one-of-a-kind scientist and person. He continues to be an inspiration to me and I will always be guided by the way he thought about science and life. He built an amazing network of wonderful people and we all miss you, Jonny.
Jonny Smallwood @themindwanders.bsky.social was a beloved friend and mentor. He was taken from us too soon. His was a beautiful mind who understood the beauty of minds. As ever before, his kind voice guides me and his work will continue. We miss you Jonny. www.cbs.mpg.de/news/obituar...
Obituary – Jonathan Smallwood
www.cbs.mpg.de
November 14, 2025 at 9:12 PM
I was so lucky to have Jonny as my PhD supervisor. He was a one-of-a-kind scientist and person. He continues to be an inspiration to me and I will always be guided by the way he thought about science and life. He built an amazing network of wonderful people and we all miss you, Jonny.
Reposted by Tim Lawn
Jonny Smallwood @themindwanders.bsky.social was a beloved friend and mentor. He was taken from us too soon. His was a beautiful mind who understood the beauty of minds. As ever before, his kind voice guides me and his work will continue. We miss you Jonny. www.cbs.mpg.de/news/obituar...
Obituary – Jonathan Smallwood
www.cbs.mpg.de
November 13, 2025 at 3:19 PM
Jonny Smallwood @themindwanders.bsky.social was a beloved friend and mentor. He was taken from us too soon. His was a beautiful mind who understood the beauty of minds. As ever before, his kind voice guides me and his work will continue. We miss you Jonny. www.cbs.mpg.de/news/obituar...
Reposted by Tim Lawn
How prediction error drives memory updating: role of locus coeruleus–hippocampal interactions
Looks interesting, from Groves et al
#neuroskyence #psychscisky #cognition
Looks interesting, from Groves et al
#neuroskyence #psychscisky #cognition
How prediction error drives memory updating: role of locus coeruleus–hippocampal interactions
The brain constantly generates predictions based on one’s knowledge of the world, as captured in memory. When these predictions are in error, our know…
www.sciencedirect.com
November 14, 2025 at 9:22 AM
How prediction error drives memory updating: role of locus coeruleus–hippocampal interactions
Looks interesting, from Groves et al
#neuroskyence #psychscisky #cognition
Looks interesting, from Groves et al
#neuroskyence #psychscisky #cognition
Reposted by Tim Lawn
Psychedelics disrupt the link between vascular and neuronal activity, which complicates interpretations of fMRI data. Adopting a more holistic view of what constitutes brain activity may help.
By @callimcflurry.bsky.social
#neuroskyence
www.thetransmitter.org/psychedelics...
By @callimcflurry.bsky.social
#neuroskyence
www.thetransmitter.org/psychedelics...
Psychedelics muddy fMRI results: Q&A with Adam Bauer and Jonah Padawer-Curry
The drugs disrupt the link between vascular and neuronal activity, which complicates interpretations of fMRI data. Adopting a more holistic view of what constitutes brain activity may help…
www.thetransmitter.org
October 29, 2025 at 6:05 PM
Psychedelics disrupt the link between vascular and neuronal activity, which complicates interpretations of fMRI data. Adopting a more holistic view of what constitutes brain activity may help.
By @callimcflurry.bsky.social
#neuroskyence
www.thetransmitter.org/psychedelics...
By @callimcflurry.bsky.social
#neuroskyence
www.thetransmitter.org/psychedelics...
Reposted by Tim Lawn
Shearer et al. introduce an interactive web application for exploring fMRI effect maps:
doi.org/10.52294/001...
@halleeshearer.bsky.social @sneuroble.bsky.social @ohbmossig.bsky.social
#OpenDatasets #SpecialIssue
doi.org/10.52294/001...
@halleeshearer.bsky.social @sneuroble.bsky.social @ohbmossig.bsky.social
#OpenDatasets #SpecialIssue
November 12, 2025 at 6:41 PM
Shearer et al. introduce an interactive web application for exploring fMRI effect maps:
doi.org/10.52294/001...
@halleeshearer.bsky.social @sneuroble.bsky.social @ohbmossig.bsky.social
#OpenDatasets #SpecialIssue
doi.org/10.52294/001...
@halleeshearer.bsky.social @sneuroble.bsky.social @ohbmossig.bsky.social
#OpenDatasets #SpecialIssue
Reposted by Tim Lawn
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 Tim Lawn
Looking for a post-bac RA position focused on the brain bases of affective and psychotic illness?
@holmeslab-bhi.bsky.social is hiring!
@cahbir.bsky.social @rutgersbhi.bsky.social @rutgersu.bsky.social @sobp-org.bsky.social @hitop-system.bsky.social @ohbmofficial.bsky.social
@holmeslab-bhi.bsky.social is hiring!
@cahbir.bsky.social @rutgersbhi.bsky.social @rutgersu.bsky.social @sobp-org.bsky.social @hitop-system.bsky.social @ohbmofficial.bsky.social
November 11, 2025 at 3:48 PM
Looking for a post-bac RA position focused on the brain bases of affective and psychotic illness?
@holmeslab-bhi.bsky.social is hiring!
@cahbir.bsky.social @rutgersbhi.bsky.social @rutgersu.bsky.social @sobp-org.bsky.social @hitop-system.bsky.social @ohbmofficial.bsky.social
@holmeslab-bhi.bsky.social is hiring!
@cahbir.bsky.social @rutgersbhi.bsky.social @rutgersu.bsky.social @sobp-org.bsky.social @hitop-system.bsky.social @ohbmofficial.bsky.social
Reposted by Tim Lawn
10/10 would work in this lab again
Looking for a post-bac RA position focused on the brain bases of affective and psychotic illness?
@holmeslab-bhi.bsky.social is hiring!
@cahbir.bsky.social @rutgersbhi.bsky.social @rutgersu.bsky.social @sobp-org.bsky.social @hitop-system.bsky.social @ohbmofficial.bsky.social
@holmeslab-bhi.bsky.social is hiring!
@cahbir.bsky.social @rutgersbhi.bsky.social @rutgersu.bsky.social @sobp-org.bsky.social @hitop-system.bsky.social @ohbmofficial.bsky.social
November 11, 2025 at 5:13 PM
10/10 would work in this lab again
Reposted by Tim Lawn
Happy to share our review "Investigating hierarchical critical periods in human neurodevelopment” in @npp-journal.bsky.social! We examine neurobiological, environmental & behavioral evidence for human critical periods in sensory and association cortex +discuss new research directions rdcu.be/eMkVU 🧵
November 11, 2025 at 8:01 PM
Happy to share our review "Investigating hierarchical critical periods in human neurodevelopment” in @npp-journal.bsky.social! We examine neurobiological, environmental & behavioral evidence for human critical periods in sensory and association cortex +discuss new research directions rdcu.be/eMkVU 🧵
Reposted by Tim Lawn
Connectome datasets alone are generally not sufficient to predict neural activity. However, pairing connectivity information with neural recordings can produce accurate predictions of activity in unrecorded neurons
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Prediction of neural activity in connectome-constrained recurrent networks - Nature Neuroscience
The authors show that connectome datasets alone are generally not sufficient to predict neural activity. However, pairing connectivity information with neural recordings can produce accurate predictio...
www.nature.com
November 10, 2025 at 10:12 PM
Connectome datasets alone are generally not sufficient to predict neural activity. However, pairing connectivity information with neural recordings can produce accurate predictions of activity in unrecorded neurons
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Tim Lawn
Very excited to be able to finally share our latest work, "Cloud computing for equitable, data-driven dementia medicine," just published in The Lancet Digital Health!
authors.elsevier.com/sd/article/S...
more info in thread: 🧵
authors.elsevier.com/sd/article/S...
more info in thread: 🧵
Cloud computing for equitable, data-driven dementia medicine
Dementia poses an increasing global health challenge, and the introduction of new
drugs with diverse activity profiles underscores the need for the rapid development
and deployment of tailored predict...
www.thelancet.com
November 10, 2025 at 2:23 PM
Very excited to be able to finally share our latest work, "Cloud computing for equitable, data-driven dementia medicine," just published in The Lancet Digital Health!
authors.elsevier.com/sd/article/S...
more info in thread: 🧵
authors.elsevier.com/sd/article/S...
more info in thread: 🧵
Reposted by Tim Lawn
ICYMI @ohbmofficial.bsky.social 2025 keynotes are now online! Here's mine: "Towards a universal taxonomy of functional brain networks" 🧠 www.youtube.com/watch?v=ZW9J...
OHBM 2025 | Keynote | Lucina Uddin | Towards a universal taxonomy of functional brain networks
YouTube video by Organization for Human Brain Mapping
www.youtube.com
November 5, 2025 at 7:21 PM
ICYMI @ohbmofficial.bsky.social 2025 keynotes are now online! Here's mine: "Towards a universal taxonomy of functional brain networks" 🧠 www.youtube.com/watch?v=ZW9J...
Reposted by Tim Lawn
🚨 Brain Age vs Direct Models in Alzheimer’s disease (AD) 🚨 A thread 🧵
1/ Brain age is a powerful indicator of general brain health, trained on massive datasets. But does this translate to better prediction for specific outcomes, like AD?
Preprint by @twktan.bsky.social : doi.org/10.1101/2024...
1/ Brain age is a powerful indicator of general brain health, trained on massive datasets. But does this translate to better prediction for specific outcomes, like AD?
Preprint by @twktan.bsky.social : doi.org/10.1101/2024...
November 20, 2024 at 3:06 AM
🚨 Brain Age vs Direct Models in Alzheimer’s disease (AD) 🚨 A thread 🧵
1/ Brain age is a powerful indicator of general brain health, trained on massive datasets. But does this translate to better prediction for specific outcomes, like AD?
Preprint by @twktan.bsky.social : doi.org/10.1101/2024...
1/ Brain age is a powerful indicator of general brain health, trained on massive datasets. But does this translate to better prediction for specific outcomes, like AD?
Preprint by @twktan.bsky.social : doi.org/10.1101/2024...
Reposted by Tim Lawn
First post on an exciting new manuscript online today @natneuro.nature.com - in collab with @lucinauddin.bsky.social and Catie Chang. We take a fresh look at the physiological dynamics associated with the global signal 🧠 ...
www.nature.com/articles/s41...
Read here:
rdcu.be/ek01F
www.nature.com/articles/s41...
Read here:
rdcu.be/ek01F
Autonomic physiological coupling of the global fMRI signal
Nature Neuroscience - The brain and body are necessarily connected. Here the authors show that brain blood flow and electrical activity are coupled with systemic physiological changes in the body.
rdcu.be
May 7, 2025 at 1:42 PM
First post on an exciting new manuscript online today @natneuro.nature.com - in collab with @lucinauddin.bsky.social and Catie Chang. We take a fresh look at the physiological dynamics associated with the global signal 🧠 ...
www.nature.com/articles/s41...
Read here:
rdcu.be/ek01F
www.nature.com/articles/s41...
Read here:
rdcu.be/ek01F
Reposted by Tim Lawn
This is wild. Now do it in a dolphin or a duck where half the brain stays awake. It’s freaky how little we know about neural bases of sleep compared to say…noise correlations in V4.
bsky.app/profile/eddy...
bsky.app/profile/eddy...
My co-authors have yet to move to Bluesky, so I'm pleased to announce our latest work has just been published in @nature.com Neuroscience. Amazing work led by Junheng Li, revealing that falling asleep follows a predictable bifurcation pattern #neuroskyence #sleep
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Falling asleep follows a predictable bifurcation dynamic - Nature Neuroscience
Li et al. propose a conceptual framework to study the phenomenon of falling asleep based on electroencephalogram data. They show that a tipping point marks the brain’s nonlinear wake-to-sleep transiti...
www.nature.com
October 28, 2025 at 11:17 PM
This is wild. Now do it in a dolphin or a duck where half the brain stays awake. It’s freaky how little we know about neural bases of sleep compared to say…noise correlations in V4.
bsky.app/profile/eddy...
bsky.app/profile/eddy...
Reposted by Tim Lawn
For #FluorescenceFriday - projection neurons from the mouse prefrontal cortex to the locus coeruleus 🔴 with Fos labeling activated cells 🟢. Image credit to the Circuits team in the Translational Neuroscience Division @lieberinstitute.bsky.social 🧠🔬🧪
October 24, 2025 at 11:45 AM
For #FluorescenceFriday - projection neurons from the mouse prefrontal cortex to the locus coeruleus 🔴 with Fos labeling activated cells 🟢. Image credit to the Circuits team in the Translational Neuroscience Division @lieberinstitute.bsky.social 🧠🔬🧪
Reposted by Tim Lawn
A noninvasive, CSF-specific MRI technique that enables detailed in vivo measurement of CSF mobility in humans, down to the level of perivascular spaces located around penetrating vessels
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Region-specific drivers of CSF mobility measured with MRI in humans - Nature Neuroscience
Brain clearance mechanisms are challenging to visualize in humans. Using magnetic resonance imaging, the authors noninvasively mapped cerebrospinal fluid motion across the brain, showing region-specif...
www.nature.com
October 24, 2025 at 4:02 PM
A noninvasive, CSF-specific MRI technique that enables detailed in vivo measurement of CSF mobility in humans, down to the level of perivascular spaces located around penetrating vessels
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Tim Lawn
Current trends in European Research funding... 😵💫 erc.europa.eu/news-events/...
October 23, 2025 at 1:24 PM
Current trends in European Research funding... 😵💫 erc.europa.eu/news-events/...
Reposted by Tim Lawn
KILLER PhD project right here.
Looking for a PhD? Interested in cognitive computational neuroscience, motivation and decision-making? See our project listed in the BBSRC MIBTP competition for funding for a 4-year PhD in the @msnlab.bsky.social in the @thechbh.bsky.social. Deadline 27/11. More info: tinyurl.com/5d5vz8m7
The computational and neural dynamics of human motivation and cognitive control at University of Birmingham on FindAPhD.com
PhD Project - The computational and neural dynamics of human motivation and cognitive control at University of Birmingham, listed on FindAPhD.com
www.findaphd.com
October 23, 2025 at 10:45 AM
KILLER PhD project right here.
Reposted by Tim Lawn
BOLD signal changes can oppose oxygen metabolism across the human cortex | bioRxiv www.biorxiv.org/content/10.1...
October 22, 2025 at 12:41 AM
BOLD signal changes can oppose oxygen metabolism across the human cortex | bioRxiv www.biorxiv.org/content/10.1...
Reposted by Tim Lawn
New preprint ↙️
Using 2 independent 7T fMRI datasets (HCP & our PNI dataset 🧲 💅 ), we found that intersubject synchronization 👯 during movies aligns closely with cortical gradients 🌈, especially along the visual-to-transmodal axis
by Meaghan Smith & a terrific team ↙️
doi.org/10.1101/2025...
Using 2 independent 7T fMRI datasets (HCP & our PNI dataset 🧲 💅 ), we found that intersubject synchronization 👯 during movies aligns closely with cortical gradients 🌈, especially along the visual-to-transmodal axis
by Meaghan Smith & a terrific team ↙️
doi.org/10.1101/2025...
October 22, 2025 at 2:43 PM
New preprint ↙️
Using 2 independent 7T fMRI datasets (HCP & our PNI dataset 🧲 💅 ), we found that intersubject synchronization 👯 during movies aligns closely with cortical gradients 🌈, especially along the visual-to-transmodal axis
by Meaghan Smith & a terrific team ↙️
doi.org/10.1101/2025...
Using 2 independent 7T fMRI datasets (HCP & our PNI dataset 🧲 💅 ), we found that intersubject synchronization 👯 during movies aligns closely with cortical gradients 🌈, especially along the visual-to-transmodal axis
by Meaghan Smith & a terrific team ↙️
doi.org/10.1101/2025...
Reposted by Tim Lawn
Quantifying the compressibility of the human brain | arxiv.org/abs/2510.16327
October 21, 2025 at 2:51 AM
Quantifying the compressibility of the human brain | arxiv.org/abs/2510.16327