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Posts by Manuel Varlet

The image represents alignment in the information that is represented in the neural signal of two interacting brains, as measured through Interbrain RSA (Representational Similarity Analysis). Image credit: Denise Moerel & Manuel Varlet

The image represents alignment in the information that is represented in the neural signal of two interacting brains, as measured through Interbrain RSA (Representational Similarity Analysis). Image credit: Denise Moerel & Manuel Varlet

How do #brains align during social interaction? @manuelvarlet.bsky.social &co show that interbrain info alignment emerges rapidly & strengthens with practice; distinct neural processes support sensory synchrony (early) & shared cognitive representation (late) @plosbiology.org 🧪 plos.io/3KnoweJ

4 months ago 17 1 0 1
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Continuous dynamics of cooperation and competition in social decision-making - Communications Psychology Using a continuous social foraging game, this study shows that human pairs adopt stable cooperative, competitive, or mixed strategies. A computational model predicts dyadic choices and links these str...

This study shows that human pairs adopt stable cooperative, competitive, or mixed strategies. A computational model predicts dyadic choices and links these strategies to interaction dynamics, payoffs, and cost of cooperation.
@violapriesemann.bsky.social
www.nature.com/articles/s44...

4 months ago 12 5 0 0
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Frontiers | Measuring information alignment in hyperscanning research with representational analyses: moving beyond interbrain synchrony Hyperscanning, which enables the recording of brain activity from multiple individuals simultaneously, has been increasingly used to investigate the neuropsy...

This work leverages Interbrain Representational Similarity Analysis, a new method we introduced recently as a powerful alternative to interbrain synchrony measures to more effectively capture information alignment between interacting individuals in hyperscanning research: doi.org/10.3389/fnhu...

4 months ago 3 0 0 0

Here we provide direct neural evidence that as two people learn to categorise visual stimuli together, their brains start to represent information in a more similar way, showing that collaboration influences our perception and understanding of the world.

4 months ago 1 0 1 0
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Collaborating minds think alike, processing information in similar ways in a shared task Whether great minds think alike is up for debate, but the collaborating minds of two people working on a shared task process information alike, according to a study published November 25th in the open...

Collaborating minds think alike, processing information in similar ways in a shared task | EurekAlert! www.eurekalert.org/news-release...

New publication in PLOS Biology: plos.io/4hBhuPy

Denise Moerel, with @tgro.bsky.social, @drquekles.bsky.social, Sophie Smit at @marcsinstitute.bsky.social

4 months ago 12 2 2 0

🚨 Only two weeks left to apply for our international visiting scholarships! DM or email m.varlet@westernsydney.edu.au if you’re interested.

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Dynamic neural processing of self-other synchronisation error in interpersonal coordination The human capacity to produce precisely synchronised actions with others is critical for everyday cooperative activities. Such interpersonal coordinat…

Dynamic neural processing of self-other synchronisation error in interpersonal coordination
sciencedirect.com/science/arti...

5 months ago 8 3 0 0
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Even in a simple game, our brains keep score – and those scores shape every choice we make Humans are surprisingly bad at being unpredictable.

Dr Denise Moerel and colleagues' article on how our brains make decisions in competitive settings is out now!

Read the full Conversation article here: theconversation.com/even-in-a-si...

The article published in Social Cognitive and Affective Neuroscience: academic.oup.com/scan/advance...

5 months ago 4 2 0 0
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Basis functions for complex social decisions in dorsomedial frontal cortex - Nature A study combining group decision-making tasks with fMRI shows that the brain’s dorsomedial prefrontal cortex uses basis functions, similar to those in the visual, motor and spatial domains, to re...

New paper “Basis functions for complex social decisions in dorsomedial prefrontal cortex” in @nature.com led by @mkwittmann.bsky.social with many others. We show basis functions code relations between people, similar to their role in other perceptual and motor domains www.nature.com/articles/s41...

1 year ago 62 23 2 2

❗️Preprint alert ❗️

When I was a college student in my neuroscience classes, I was always told that neuroimaging research involves a trade-off between statistical power and available resources. But what if you could have both? 1/n

1 year ago 9 2 2 1
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Decoding the rhythmic representation and communication of visual contents Rhythmic neural activity is considered essential for adaptively modulating responses in the visual system. In this opinion article we posit that visua…

Now out in @cp-trendsneuro.bsky.social : We discuss how the contents of visual perception, imagery, and prediction can be decoded from rhythmic brain activity and argue that such rhythmic representations offer new insights into neural information propagation. www.sciencedirect.com/science/arti...

1 year ago 55 26 0 1

🚨 Come work with us, we’re hiring! 🚨
See below our 2 postdoc positions at @institutpasteur.bsky.social in Paris.
Funded by our ERC Synergy grant, this is a collaboration with the labs of Víctor Borrell in Spain ( @borrell-lab.bsky.social), Laurent Nguyen in Belgium and Kristian Franze in Germany
🧵⬇️

1 year ago 30 23 1 0
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How can sharing our uncertainty with others alter our confidence when we're alone?

Delighted to share the lab's new paper, with Einar Andreassen and @cdfrith.bsky.social. Particularly pleased as it's Einar's first!

Link: osf.io/preprints/ps...

🧵👇

#PsychSciSky
#neuroskyence

1 year ago 70 19 1 2

⏱️ Speed up your path to publication!

At Aperture Neuro:
📜 Submission ➡️ Final decision: 100 days (median)
📚 Submission ➡️ Publication: 144 days (median)

🌟We are open access, low cost, and welcome innovative research formats.

🔗 Submit today and make an impact faster: apertureneuro.org/about

1 year ago 6 5 0 1
Behaviorally-relevant features of observed actions dominate cortical representational geometry in natural vision available at bioRxiv!

Behaviorally-relevant features of observed actions dominate cortical representational geometry in natural vision available at bioRxiv!

🚨 New paper out with @samnastase.bsky.social and @haxbylab.bsky.social! We use representational similarity analysis to test how well behavioral, semantic, and visual models capture cortical representational geometries when viewing naturalistic action videos: doi.org/10.1101/2024...

1 year ago 30 11 1 2
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Assistant Professor of Cognitive Science at the School of Communication and Culture - Vacancy at Aarhus University Vacancy at School of Communication and Culture - Linguistics, Cognitive Science and Semiotics, Dept. of, Aarhus University

📣 Vacancy for Assistant Professor of Cognitive Science at Department of Linguistics, Cognitive Science and Semiotics, Aarhus University, Denmark. (Deadline January 6)

international.au.dk/about/profil...

1 year ago 49 38 1 4

A starter pack for people interested in inter-brain synchrony and simultaneous brain recording of all kind!

Check if you're on it and, if not, let me know!

#hyperscanning #dualeeg

go.bsky.app/T1LTrQS

1 year ago 28 14 7 4
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Dance with me? Analyzing interpersonal synchrony and quality of interaction during joint dance - Behavior Research Methods This methodological paper examines the assessment of interpersonal synchrony during a joint dancing task between mothers and their children (aged 4 to 5 years) using OpenPose. This pose estimation too...


link.springer.com/article/10.3...
Study of 45 mother-child dance pairs compared 2 synchrony measures: cross-wavelet transform (CWT) of head movements & generalized CWT for multiple body parts. Simple CWT correlated with interaction quality scores; complex GCWT didn't, despite capturing more detail

1 year ago 0 1 0 0
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Associate or Senior Editor, Nature Neuroscience Job Title: Associate or Senior Editor, Nature Neuroscience Location: New York, Jersey City, Philadelphia, Washington D.C., Berlin or Shanghai Application Deadline: January 6, 2025 About Springer Natur...

Nature Neuroscience is hiring a computational/systems/cognitive editor! Come join our team! Happy to answer any questions.

springernature.wd3.myworkdayjobs.com/SpringerNatu...

1 year ago 88 76 2 4
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Reclaiming AI as a Theoretical Tool for Cognitive Science - Computational Brain & Behavior The idea that human cognition is, or can be understood as, a form of computation is a useful conceptual tool for cognitive science. It was a foundational assumption during the birth of cognitive scien...

Full paper:

van Rooij, I., Guest, O., Adolfi, F. et al. Reclaiming AI as a Theoretical Tool for Cognitive Science. Comput Brain Behav (2024). doi.org/10.1007/s421...

1 year ago 68 18 5 3
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Advancing Neuromotor Interfaces by Open Sourcing Surface Electromyography (sEMG) Datasets for Pose Estimation and Surface Typing We’re releasing emg2qwerty and emg2pose—two large datasets and benchmarks for sEMG-based typing and pose estimation, as part of the NeurIPS 2024 Datasets and Benchmarks track.

New 716 hour EMG dataset just dropped ✨ ai.meta.com/blog/open-so...

1 year ago 59 21 0 0
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Sculpting new visual categories into the human brain | PNAS Learning requires changing the brain. This typically occurs through experience, study, or instruction. We report an alternate route for humans to a...

New paper story time (now out in PNAS)! We developed a method that caused people to learn new categories of visual objects, not by teaching them what the categories were, but by changing how their brains worked when they looked at individual objects in those categories.

www.pnas.org/doi/10.1073/...

1 year ago 153 63 8 7
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🚨Join us! We're hiring a 3yr Postdoctoral Research Fellow in Cognitive Neuroscience with @drquekles.bsky.social
@manuelvarlet.bsky.social @tgro.bsky.social & David White
to investigate decoding in super-recognisers. Applications close 14 Jan #postdoc #cogneuro #ACNS2024
tinyurl.com/SuperRecogni...

1 year ago 14 12 0 2

Get in touch if you want to visit in 2025 🧠🇦🇺

1 year ago 3 0 0 0
Research Assistant/Research Associate (Fixed Term) - Job Opportunities - University of Cambridge Research Assistant/Research Associate (Fixed Term) in the Department of Psychology at the University of Cambridge.

**We are recruiting**

Seeking a postdoc to work on a Wellcome-funded cohort study focusing on social-cognitive processing in typically developing children and adolescents (aged 8-18 years) and children and adolescents with 22q11.1 deletion syndrome.

www.jobs.cam.ac.uk/job/49291/

1 year ago 100 83 2 4
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My lab has been working on comparing neural representations for the past few years - methods like RSA, CKA, CCA, Procrustes distance

We are often asked: What do these things tell us about the system's function? How do they relate to decoding?

Our new paper has some answers arxiv.org/abs/2411.08197

1 year ago 215 71 6 0
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Final call!

One week left to apply for this postdoc in my lab at @birkbeckpsychology.bsky.social

We’re looking for a cognitive neuroscientist to join a four-year project, investigating how we learn from other people about the uncertainty in our own minds 🧠 💭

Any Qs feel free to email 📧

1 year ago 18 22 0 2
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The brain expresses activity in complex patterns, reflecting the influence of cytoarchitectural, biochemical & genetic properties.
Eigenstrapping is our method for inferring the similarity between two such brain maps while excluding spurious (chance) relationships

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

1 year ago 85 27 4 3
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Human-AI Collaboration Lab (HAIC) Investigating how to boost human problem solving capabilities with AI

If you're applying to #PhD programs and interested in Human + #AI Collaboration, @mattgroh.bsky.social is recruiting a student to join him at Kellogg 🧪

Lab site: human-ai-collaboration-lab.kellogg.northwestern.edu

PhD application: www.kellogg.northwestern.edu/admissions/p...

1 year ago 6 2 3 0