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JJ @jjodx.bsky.social · 27m

One of my two last (ever) papers on tDCS:
Does anodal tDCS over M1 really enhance motor sequence learning? A non-replication of earlier findings in a double-blind, pre-registered large-sample study in humans
www.medrxiv.org/content/10.1...

Does anodal tDCS over M1 really enhance motor sequence learning? A non-replication of earlier findings in a double-blind, pre-registered large-sample study in humans

Background Transcranial direct current stimulation (tDCS) is one of the most widely used noninvasive neuromodulation methods. Despite its popularity, some recent studies highlighted issues about the r...

www.medrxiv.org

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JJ @jjodx.bsky.social · 4d

Competitive pre-ordering during planning persists in kinematically fused sequential movements

doi.org/10.1101/2025...

Competitive pre-ordering during planning persists in kinematically fused sequential movements

Results in human and non-human primates have shown that elements of a movement sequence are pre-ordered in parallel competitively before execution, a process known as competitive queueing (CQ). Howeve...

doi.org

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Reposted by JJ

Adrian Liston @labliston.bsky.social · 4d

A small primer on the #NobelPrize awarded to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi today. This prize was for combining two separate fields of immunology research - genetic research on IPEX and immunology research of regulatory T cells (#Tregs), with enormous impact on biology/medicine

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JJ @jjodx.bsky.social · 5d

for those who have missed it b/c of the weekend posting ;-)

JJ @jjodx.bsky.social · 7d

First first author paper of Anouck Matthijs on the fact that aging does not affect the ability to compensate for interaction torques during movement planning. Both the timing and scaling of anticipatory EMG activity are preserved with age.
www.biorxiv.org/content/10.1...

Adults up to 80 years old maintain effective movement planning when facing complex body dynamics

Aging can significantly impact motor performance, especially in highly complex tasks such as multi-joint movements where the nervous system needs to adequately coordinate mechanical interactions betwe...

www.biorxiv.org

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JJ @jjodx.bsky.social · 7d

First first author paper of Anouck Matthijs on the fact that aging does not affect the ability to compensate for interaction torques during movement planning. Both the timing and scaling of anticipatory EMG activity are preserved with age.
www.biorxiv.org/content/10.1...

Adults up to 80 years old maintain effective movement planning when facing complex body dynamics

Aging can significantly impact motor performance, especially in highly complex tasks such as multi-joint movements where the nervous system needs to adequately coordinate mechanical interactions betwe...

www.biorxiv.org

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Reposted by JJ

PLOS Biology @plosbiology.org · 10d

How do parietal & premotor areas in the brain adapt to a #BrainComputerInterface? This study shows that frontal & parietal #brain areas co-adapt during BCI-based #MotorLearning, offering insights into visuomotor adaptation & informing future #BCI developments @plosbiology.org 🧪 plos.io/3VEZidV

Left: Schematic representation of the 3D VR setup allowing control of movements through manual control (MC) and brain–computer interface (BCI). The setup includes four infrared cameras for online tracking of hand position using reflective markers, enabling realistic 3D movements and decoder calibration for the BCI task. The monkey’s other arm was gently restrained, and gaze position was monitored using an infrared eye tracker. Right: Averaged 3D trajectories obtained from one experimental session in Monkey Y during 3D reaches performed under the BCI condition.

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Randall Munroe @xkcd.com · 11d

Hiking

xkcd.com/3147/

Comic. [Two people hiking up mountain] PERSON 1: Okay, we’re nearing the next downhill segment I’ll put in the order. ...Confirming start and end points… Submitted! [water slide being dropped from above by drones] PERSON 2 with long hair: Look, here it comes! [Waterslide positioned on downhill slope of mountain with both people riding down] BOTH: Wheeee [Waterslide carried back into the air] [Both people continuing to hike up next slope] [caption] On-demand waterslide delivery has really improved the whole hiking experience.

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JJ @jjodx.bsky.social · 16d

bsky.app/profile/ourw...

Our World in Data @ourworldindata.org · 16d

Randomized controlled trials are a key tool to study cause and effect. Why do they matter and how do they work?

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Meike van der Heijden @meikeesther.bsky.social · 16d

“Wait a minute, there’s patterns on the other side of life as well.”

Such a cool write-up about Sarah's work on normal aging in the cerebellum!

www.the-scientist.com/aging-brains...

Aging Brains Show Stripes of Cell Death

Purkinje cells, the neurons of the cerebellum, appear to die in an organized pattern, overturning previous beliefs that neurodegeneration occurs homogenously.

www.the-scientist.com

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JJ @jjodx.bsky.social · 16d

a gold mine...

Gavin Buckingham @drgbuckingham.bsky.social · 17d

Best p-hacking demonstrations for a ppt slide: go!

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JJ @jjodx.bsky.social · 17d

Yet another example that one should not trust AI to summarize scientific articles. While the article mentions a longitudinal study, the paper is purely about cross-sectional data (some of it form longitudinal studies but still...)

SCIENMAG @scienmag.bsky.social · 17d

Tracking Motor Skills Across the Lifespan: Using Percentile Reference Curves in Practice

Dexterity, coordination, and balance are fundamental components of human motor function that play a critical role throughout the entirety of our lives. These neuromotor abilities not only influence physical…

Tracking Motor Skills Across the Lifespan: Using Percentile Reference Curves in Practice

Dexterity, coordination, and balance are fundamental components of human motor function that play a critical role throughout the entirety of our lives. These neuromotor abilities not only influence physical performance but also underpin essential daily activities ranging from fine manipulation to gross physical movements. However, these skills are not static; they evolve, peak, and decline as part of the natural aging process.

scienmag.com

Reposted by JJ

Nature Human Behaviour @nathumbehav.nature.com · 17d

In this 'How to' Comment, @gribblelab.org gives advice on how to think about one's academic website and how to go about building one. #AcademicWebsite
www.nature.com/articles/s41...

How to design your academic website - Nature Human Behaviour

An academic website serves as both a public-facing window on the world wide web and an important internal laboratory resource. In this ‘How to’ piece, I outline how to build your academic website, including what content to include, and ways to build and launch your site.

www.nature.com

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JJ @jjodx.bsky.social · 17d

Honestly, how do you do a force-field adaptation in your kitchen? 😜

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JJ @jjodx.bsky.social · 18d

No way. Risks are too big...

Reposted by JJ

Springer Nature @springernature.com · 22d

Repeated head impacts in young athletes can cause neuron loss and inflammation long before signs of neurodegenerative diseases appear. Findings may help explain early symptoms in individuals exposed to contact sports and guide efforts to detect and treat brain damage.

#Neuroscience #Neuroskyence

Repeated head trauma causes neuron loss and inflammation in young athletes - Nature

Repetitive head impacts from contact sports are associated with brain inflammation, vascular damage and neuron loss that are independent of hyperphosphorylated tau pathology.

spklr.io

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Reposted by JJ

John Tuthill @tuthill.bsky.social · 23d

new pape from our lab, led by the indefatigable @chrisjdallmann.bsky.social. i am very proud of this one.

Chris J Dallmann @chrisjdallmann.bsky.social · 23d

Now out in @nature.com: Our study discovering a neural circuit in Drosophila that predictively inhibits proprioceptor axons during voluntary leg movements, such as walking and grooming. www.nature.com/articles/s41...

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Tim Krief @timkrief.com · 24d

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JJ @jjodx.bsky.social · 25d

I can't do that but that's OK. I block my calendar when I need to write. Take control of your calendar and it will be fine (sorry, unsolicited advice as well ;-) )

Reposted by JJ

Jonathan Tsay @tsay.bsky.social · 25d

The cerebellum isn’t just about coordinating movement. It’s implicated in nearly every domain of cognition—from language to social behavior.

But how exactly does the cerebellum contribute to action and cognition? 🧵

Check out our new paper w/ Rich Ivry.
arxiv.org/abs/2509.09818

Cerebellar Contributions to Action and Cognition: Prediction, Timescale, and Continuity

The cerebellum is implicated in nearly every domain of human cognition, yet our understanding of how this subcortical structure contributes to cognition remains elusive. Efforts on this front have ten...

arxiv.org

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JJ @jjodx.bsky.social · 27d

We have indeed known for a very long time that optimality does not hold in many circumstances

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JJ @jjodx.bsky.social · 27d

The myth of optimality in human movement science

www.sciencedirect.com/science/arti...

The myth of optimality in human movement science

The concept of optimality dominates contemporary human movement science, with researchers across biomechanics, motor control, and neuroscience routine…

www.sciencedirect.com

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Reposted by JJ

Mark Peifer (He, him) @peiferlabunc.bsky.social · 28d

Interesting to see how the eLife review process shaped this controversial study. The current summary is worth a read! 🧪
elifesciences.org/articles/89106

Research Article
Evolutionary Biology
Evidence for deliberate burial of the dead by Homo naledi
Lee R Berger Is a corresponding author Tebogo Vincent Makhubela Is a corresponding author Keneiloe MolopyaneAshley KrügerPatrick Randolph-Quinney Is a corresponding author Marina ElliottBecca PeixottoAgustín FuentesPaul TafforeauJohn Hawks Is a corresponding author see all

eLife Assessment
The authors study the context of the skeletal remains of three individuals and associated sediment samples to conclude that the hominin species Homo naledi intentionally buried their dead. Demonstration of the earliest known instance of intentional funerary practice – with a relatively small-brained hominin engaging in a highly complex behavior that has otherwise been observed from Homo sapiens and Homo neanderthalensis – would represent a landmark finding. The authors have revised their manuscript extensively in light of the reviews of their initial submission, with improved illustration, context, discussion, and theoretical frameworks, leading to an improved case supporting their conclusion that Homo naledi intentionally buried their dead. One of the reviewers concludes that the findings convincingly demonstrate intentional burial practices, while another considers evidence for such an unambiguous conclusion to be incomplete given a lack of definitive knowledge around how the hominins got into the chamber. We look forward to seeing the continued development and assessment of this hypothesis. It is worth noting that the detailed reviews (both rounds) and comprehensive author response are commendable and consequential parts of the scientific record of this study. The editors note that the authors' response repeatedly invokes precedent from previous publications to help justify the conclusions in this paper. While doing so is helpful, the editors also note that scientific norms and knowledge are constantly evolving, and that any study has to rest on its own scientific merit.

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PsyArXivBot @psyarxivbot.bsky.social · Sep 10

Motor Learning: Bridging the Gap Between Basic and Applied Approaches: https://osf.io/mbdc8

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Art Pilacinski @fatresearchcat.bsky.social · Sep 10

Preprint alert!

Individual preferences in relying on vision or proprioception in reaching show distinct patterns in connectivity across sensorimotor network.

Happy to have contributed to this nice piece of work by Kess, @hjblock.bsky.social and other cool people!

www.biorxiv.org/content/10.1...

Network dynamics for sensory prioritization: Functional connectivity related to individual sensory weighting of vision versus proprioception during upper limb control

Precise control of the hand requires the dynamic integration of visual and proprioceptive (body position sense) sensory cues with internal models, task goals, and motor plans. Individual differences i...

www.biorxiv.org

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mchurchland.bsky.social @mchurchland.bsky.social · Sep 8

Of potential interest to those keen on motor control and/or multi-task networks. Congrats to Elom and Eric.
www.biorxiv.org/content/10.1...

Motor cortex flexibly deploys a high-dimensional repertoire of subskills

Skilled movement often requires flexibly combining multiple subskills, each requiring dedicated control strategies and underlying computations. How the motor system achieves such versatility remains u...

www.biorxiv.org

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