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Pierre Le Denmat

@pierreledenmat.bsky.social
204 followers 101 following 1 posts

Postdoc at Karolinska Institutet. Cognitive modeling enthusiast. Currently working on the mechanisms of social learning.

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Reposted by Pierre Le Denmat
Christoph Strauch @cstrauch.bsky.social · 02/10/2026
How much of a risk are LLM-generated bots for online behavioral experiments? We present results of an entirely natural language prompt-generated agent, capable of absolving any of the 26 experiments we tested it on. Most tasks are passed with data that can pass as human osf.io/preprints/ps... (1/)
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Institute for Replication @i4replication.bsky.social · 25/09/2026
Over the past two years, I4R partnered with Psychological Science (@psychscience.bsky.social) on a large reproducibility project. 67 independent teams reproduced 64 articles published in 2024–2025, about 44% of eligible papers. Paper: www.econstor.eu/bitstream/10... Here's what we learned 🧵
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Micah G. Allen @micahgallen.com · 22/09/2026
So… we just found out that GPT sol can complete a complex online behavioral/cognitive study producing nearly indistinguishable behavior and subjective reports… right as we are about to launch. Is this doomsday for online cognitive testing?
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Alexandre "Blublu" Bluet @blubludoesscience.bsky.social · 17/08/2026
New preprint! We investigate the role of language in the transmission of mental models in cultural evolution. Using a transmission chain design with over 2000 participants, we show that only language allows for the transmission and refinement of mental models. osf.io/preprints/ps...
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Björn Lindström @bjornlindstrom.bsky.social · 27/05/2026
Two poster presentations from my group at #sbdm2026 in Paris. Magdalena Soukupová on the social learning mechanisms of human goal selection and @pierreledenmat.bsky.social on (lack of) mentalizing in social learning.
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Andrey Chetverikov @achetverikov.bsky.social · 04/03/2026
Recently, van der Stigchel and colleagues posted a provocative commentary suggesting that we should be wary of bots in online behavioral data collection (🧵by @cstrauch.bsky.social here: bsky.app/profile/cstr...). But should we? Here is my response letter osf.io/preprints/ps.... 1/5
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Joffrey Fuhrer φ @joffreyfuhrer.bsky.social · 16/12/2025
Si vous aimez les SHS/sciences cog/philo et ce qui est deep, allez écouter ce podcast de potes qui invitent des chercheurs.euses pour parler de tout ça dans une ambiance relax ! Partagez ici et notez sur les apps pour nous aider à atteindre notre audience svp 🙏 open.spotify.com/show/7iDdboe...
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Kobe Desender @kobedesender.bsky.social · 16/12/2025
Modeling Speed–Accuracy Trade-Offs in the Stopping Rule for Confidence Judgments! Now out in #PsychologicalReview (aka we can finally say we do comp models)! Led by @stefherregods.bsky.social @lucvermeylen.bsky.social @pierreledenmat.bsky.social Paper: desenderlab.com/wp-content/u... Thread ↓↓↓
desenderlab.com
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Kobe Desender @kobedesender.bsky.social · 19/09/2025
Common neural choice signals reflect accumulated evidence, not confidence! Now out in @cerebralcortex.bsky.social w @helenevanmarcke.bsky.social @pierreledenmat.bsky.social @yfvisser.bsky.social @denizerdil.bsky.social a.o. Paper: desenderlab.com/wp-content/u... Thread ↓↓↓
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Björn Lindström @bjornlindstrom.bsky.social · 28/07/2025
Companion piece in @cp-trendscognsci.bsky.social to our recent @nathumbehav.nature.com paper, in which we put our "Social feature learning" model of social learning strategies in context.
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David Schultner @davidschultner.bsky.social · 28/07/2025
If you want to read more about the nuts and bolts of our reward learning account of social learning—the Social Feature Learning (SFL) model—check out our recent @nathumbehav.nature.com paper: www.nature.com/articles/s41...
nature.com
Feature-based reward learning shapes human social learning strategies - Nature Human Behaviour
This research advances a mechanistic reward learning account of social learning strategies. Through experiments and simulations, it shows how individuals learn to learn from others, dynamically shapin...
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Yvonne F. Visser @yfvisser.bsky.social · 11/06/2025
Ever wondered if you were aware of your own biases? Us too! If you're attending #RLDM2025, stop by poster #92 on Friday to learn how we tested insight into perceptual decision biases using (hierarchical) drift diffusion modelling. Work with @kobedesender.bsky.social, Peter Murphy & Hanne Daenen.
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Björn Lindström @bjornlindstrom.bsky.social · 11/06/2025
The second @rldmdublin2025.bsky.social poster from the lab is by fantastic PhD student Shen Tian. Using modeling and experiments, he investigated the key role of semantic knowledge in a complex innovation task (originated by @maximederex.bsky.social). On Thursday, poster #86
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Björn Lindström @bjornlindstrom.bsky.social · 28/05/2025
Join our @erc.europa.eu funded lab @ki.se! We're hiring a postdoc to explore how humans learn from each other — with fMRI, modeling, & behavioral experiments. 🧠👫 A chance to lead cutting-edge work in social neuro & computational psychology. Apply: shorturl.at/GJQuW
shorturl.at
Postdoctoral Researcher in social/cognitive neuroscience with focus on social learning
Do you want to contribute to top quality medical research? The Mechanisms of Social Behavior lab at Karolinska Institutet (PI: Björn Lindström) is seeking a highly qualified postdoctoral researcher.
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Kobe Desender @kobedesender.bsky.social · 30/04/2025
Dynamic modulation of confidence based on the metacognitive skills of collaborators! Now out in @cognitionjournal.bsky.social New work from @felixhermans.bsky.social Simon Gaia @majafr.bsky.social and me! Paper here: pubmed.ncbi.nlm.nih.gov/40262423/ Details ↓↓↓
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Kobe Desender @kobedesender.bsky.social · 19/03/2025
PhD position in cognitive computational neuroscience! Join us, & investigate how we can endow domain-specific models of vision (eg DNNs) with domain-general processes such as metacognition or working memory. All details => www.kuleuven.be/personeel/jo... #PsychSciSky #Neuroscience #Neuroskyence
kuleuven.be
PhD position in cognitive computational neuroscience
PhD position in cognitive computational neuroscience
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Kobe Desender @kobedesender.bsky.social · 20/01/2025
Why does it feel good to be sure? In new work @voalan.bsky.social @andero.bsky.social and I bridge confidence and affect. In perceptual DM, we found a remarkably consistent association between both measures! ↓↓↓ link: www.tandfonline.com/doi/full/10.... #PsychSciSky #Neuroscience #Neuroskyence
tandfonline.com
Metacognitive confidence and affect – two sides of the same coin?
Decision confidence is a prototypical metacognitive representation that is thought to approximate the probability that a decision is correct. The perception of being correct has also been associate...
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Kobe Desender @kobedesender.bsky.social · 22/11/2024
Optimal confidence = P(correct|evidence, time), but how do humans compute this? @pierreledenmat.bsky.social Tom Verguts and I provide a low-dimensional approximation of optimal confidence (the LDC model). paper: journals.plos.org/ploscompbiol... #PsychSciSky #Neuroscience #Neuroskyence
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Steve Fleming @smfleming.bsky.social · 13/11/2024
It was only a matter of time - a metacognition starter pack! Do let me know if I’ve missed people or if you’d like to be added #neuroskyence 🧪 go.bsky.app/9PSjwLF
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