Guillaume Dumas
@introspection.bsky.social
🤖🔁🧠 Minds in Interaction across Scales, Disciplines, and Theories
Multi-Brain Dynamics, Inter-Personalized Psychiatry, Social NeuroAI
Dad · Husband · Prof UMontreal / CHUSJ / Mila · PI of www.ppsp.team
Multi-Brain Dynamics, Inter-Personalized Psychiatry, Social NeuroAI
Dad · Husband · Prof UMontreal / CHUSJ / Mila · PI of www.ppsp.team
📝 New paper: Towards Multi-Brain Decoding in #Autism
🤨 How do we scale #hyperscanning when multi-brain datasets are small?
💡Our team introduces a self-supervised learning on large single-brain EEG data to improve multi-brain decoding.
#SocialNeuroAI #Neurotech link.springer.com/article/10.1...
🤨 How do we scale #hyperscanning when multi-brain datasets are small?
💡Our team introduces a self-supervised learning on large single-brain EEG data to improve multi-brain decoding.
#SocialNeuroAI #Neurotech link.springer.com/article/10.1...
February 9, 2026 at 2:18 PM
📝 New paper: Towards Multi-Brain Decoding in #Autism
🤨 How do we scale #hyperscanning when multi-brain datasets are small?
💡Our team introduces a self-supervised learning on large single-brain EEG data to improve multi-brain decoding.
#SocialNeuroAI #Neurotech link.springer.com/article/10.1...
🤨 How do we scale #hyperscanning when multi-brain datasets are small?
💡Our team introduces a self-supervised learning on large single-brain EEG data to improve multi-brain decoding.
#SocialNeuroAI #Neurotech link.springer.com/article/10.1...
Reposted by Guillaume Dumas
🚨 New article in #NCONSC
Now is the time: operationalizing generative neurophenomenology through interpersonal methods
academic.oup.com/nc/article/2...
@introspection.bsky.social
#consciousness
🧠🧪
Now is the time: operationalizing generative neurophenomenology through interpersonal methods
academic.oup.com/nc/article/2...
@introspection.bsky.social
#consciousness
🧠🧪
Now is the time: operationalizing generative neurophenomenology through interpersonal methods
Abstract. Lived experience is shaped by intersubjective, social, cultural, and historical dimensions. For the past 30 years, neurophenomenology has adopted
academic.oup.com
January 5, 2026 at 3:37 PM
🚨 New article in #NCONSC
Now is the time: operationalizing generative neurophenomenology through interpersonal methods
academic.oup.com/nc/article/2...
@introspection.bsky.social
#consciousness
🧠🧪
Now is the time: operationalizing generative neurophenomenology through interpersonal methods
academic.oup.com/nc/article/2...
@introspection.bsky.social
#consciousness
🧠🧪
Reposted by Guillaume Dumas
🎊📜 NEW PAPER 📜🎊
Can we seriously build synthetic consciousness?
And if so, where do we start?
I’m super excited to present recent publication in Neuroscience & Biobehavioral Reviews where @jaanaru.bsky.social and I confront this challenge head on.
1/n
Can we seriously build synthetic consciousness?
And if so, where do we start?
I’m super excited to present recent publication in Neuroscience & Biobehavioral Reviews where @jaanaru.bsky.social and I confront this challenge head on.
1/n
On biological and artificial consciousness: A case for biological computationalism
The rapid advances in the capabilities of Large Language Models (LLMs) have galvanised public and scientific debates over whether artificial systems m…
sciencedirect.com
December 18, 2025 at 5:26 PM
🎊📜 NEW PAPER 📜🎊
Can we seriously build synthetic consciousness?
And if so, where do we start?
I’m super excited to present recent publication in Neuroscience & Biobehavioral Reviews where @jaanaru.bsky.social and I confront this challenge head on.
1/n
Can we seriously build synthetic consciousness?
And if so, where do we start?
I’m super excited to present recent publication in Neuroscience & Biobehavioral Reviews where @jaanaru.bsky.social and I confront this challenge head on.
1/n
Reposted by Guillaume Dumas
1/8
Do LLMs have stable personalities? We ran 2 million tests. (Spoiler: no.) 🧵
Paper accepted at AAAI 2026 - Alignment Track
Safe deployment requires behavioral consistency. We found persistent instability across scales, reasoning modes, and personas. ⤵️
Do LLMs have stable personalities? We ran 2 million tests. (Spoiler: no.) 🧵
Paper accepted at AAAI 2026 - Alignment Track
Safe deployment requires behavioral consistency. We found persistent instability across scales, reasoning modes, and personas. ⤵️
December 18, 2025 at 5:57 PM
1/8
Do LLMs have stable personalities? We ran 2 million tests. (Spoiler: no.) 🧵
Paper accepted at AAAI 2026 - Alignment Track
Safe deployment requires behavioral consistency. We found persistent instability across scales, reasoning modes, and personas. ⤵️
Do LLMs have stable personalities? We ran 2 million tests. (Spoiler: no.) 🧵
Paper accepted at AAAI 2026 - Alignment Track
Safe deployment requires behavioral consistency. We found persistent instability across scales, reasoning modes, and personas. ⤵️
Heureux de participer à nouveau à "La Science, CQFD" sur @franceculture.fr
Avec @giadapistilli.com, nous parlons d'#IA génératives devenues confidents ou substituts émotionnels, et des risques liés à la solitude et à la dépendance affective.
🎧 www.radiofrance.fr/francecultur...
Avec @giadapistilli.com, nous parlons d'#IA génératives devenues confidents ou substituts émotionnels, et des risques liés à la solitude et à la dépendance affective.
🎧 www.radiofrance.fr/francecultur...
December 5, 2025 at 1:35 AM
Heureux de participer à nouveau à "La Science, CQFD" sur @franceculture.fr
Avec @giadapistilli.com, nous parlons d'#IA génératives devenues confidents ou substituts émotionnels, et des risques liés à la solitude et à la dépendance affective.
🎧 www.radiofrance.fr/francecultur...
Avec @giadapistilli.com, nous parlons d'#IA génératives devenues confidents ou substituts émotionnels, et des risques liés à la solitude et à la dépendance affective.
🎧 www.radiofrance.fr/francecultur...
Congrats to the team for unveiling an original solution for hands-free #VR interaction. CyberFinger is open for developer evaluation on scicortex.com — A wearable that augments hand tracking while staying practical for keyboard-driven creators. Excited to see what the community builds with it!
December 2, 2025 at 4:05 PM
Congrats to the team for unveiling an original solution for hands-free #VR interaction. CyberFinger is open for developer evaluation on scicortex.com — A wearable that augments hand tracking while staying practical for keyboard-driven creators. Excited to see what the community builds with it!
Honored to speak at Ottawa about how Canada can lead in #NeuroAI. With world-class talent, trusted institutions, & sustainable infrastructure, we can build a federated approach to AI that protects mental health & strengthens our society. Thanks @braincanada.bsky.social for the invitation!
November 20, 2025 at 9:09 PM
Honored to speak at Ottawa about how Canada can lead in #NeuroAI. With world-class talent, trusted institutions, & sustainable infrastructure, we can build a federated approach to AI that protects mental health & strengthens our society. Thanks @braincanada.bsky.social for the invitation!
Reposted by Guillaume Dumas
Delighted to share our new Perspective article @natrevneuro.nature.com, led by the great @edoardochidichimo.bsky.social : "Towards an informational account of interpersonal coordination". With @loopyluppi.bsky.social, Pedro Mediano, @introspection.bsky.social, Victoria Leong and Richard Bethlehem.
November 19, 2025 at 2:27 PM
Delighted to share our new Perspective article @natrevneuro.nature.com, led by the great @edoardochidichimo.bsky.social : "Towards an informational account of interpersonal coordination". With @loopyluppi.bsky.social, Pedro Mediano, @introspection.bsky.social, Victoria Leong and Richard Bethlehem.
All the videos of our #NeuroAI symposium at @fieldsinstitute.bsky.social are now online!
📺 www.youtube.com/playlist?lis...
📺 www.youtube.com/playlist?lis...
October 27, 2025 at 1:24 AM
All the videos of our #NeuroAI symposium at @fieldsinstitute.bsky.social are now online!
📺 www.youtube.com/playlist?lis...
📺 www.youtube.com/playlist?lis...
Excited to have been part of the consulting team for the new #GESDA's Future of Consciousness report, alongside colleagues from #CIFAR 🌍 Dive into how emerging science might reshape our understanding of #consciousness: radar.gesda.global/topics/futur... #Future #Neuroscience #AI
Future of Consciousness - GESDA
As yet, science can offer no standard, widely agreed definition of consciousness, partly because researchers use the same word to describe a variety of ph...
radar.gesda.global
October 27, 2025 at 12:55 AM
Excited to have been part of the consulting team for the new #GESDA's Future of Consciousness report, alongside colleagues from #CIFAR 🌍 Dive into how emerging science might reshape our understanding of #consciousness: radar.gesda.global/topics/futur... #Future #Neuroscience #AI
🧠 Excited to share the full program of our #NeuroAI workshop at the @fieldsinstitute.bsky.social (next Monday & Tuesday)
📍 Toronto + Online: fields.utoronto.ca/activities/2...
🎙️ Talks by VanRullen, @neurograce.bsky.social, Eliasmith, Pitkow, Kanai, Thompson & more.
📍 Toronto + Online: fields.utoronto.ca/activities/2...
🎙️ Talks by VanRullen, @neurograce.bsky.social, Eliasmith, Pitkow, Kanai, Thompson & more.
Mini-Symposium on Cognition and Computation: Bidirectional Insights Between Cognitive Neuroscience and AI
Details forthcoming.
fields.utoronto.ca
October 19, 2025 at 12:07 PM
🧠 Excited to share the full program of our #NeuroAI workshop at the @fieldsinstitute.bsky.social (next Monday & Tuesday)
📍 Toronto + Online: fields.utoronto.ca/activities/2...
🎙️ Talks by VanRullen, @neurograce.bsky.social, Eliasmith, Pitkow, Kanai, Thompson & more.
📍 Toronto + Online: fields.utoronto.ca/activities/2...
🎙️ Talks by VanRullen, @neurograce.bsky.social, Eliasmith, Pitkow, Kanai, Thompson & more.
New study led by @quentinmoreau.bsky.social & @vchamberland.bsky.social and @ppsp-team.bsky.social 👏 We show how brain stim can shape social inference in human–machine interaction 🧠🤖⚡ New causal evidence linking rTPJ to Theory-of-Mind & Self–Other distinction, & path towards social #neuromodulation!
📢 Our latest work at @ppsp-team.bsky.social is now available on eNeuro!
Our study explores how noninvasive brain stimulation can shape social inference during human–machine interaction 🧠⚡🤖
🔗 Read it here → www.eneuro.org/content/12/1...
Thread 🧶 ⤵️
Our study explores how noninvasive brain stimulation can shape social inference during human–machine interaction 🧠⚡🤖
🔗 Read it here → www.eneuro.org/content/12/1...
Thread 🧶 ⤵️
Online HD-tRNS Over the Right Temporoparietal Junction Modulates Social Inference But Not Motor Coordination
Social interactions are fundamental to human cognition, with the right temporoparietal junction (rTPJ) playing a key role in integrating motor coordination and social inference. While transcranial ran...
www.eneuro.org
October 17, 2025 at 3:28 PM
New study led by @quentinmoreau.bsky.social & @vchamberland.bsky.social and @ppsp-team.bsky.social 👏 We show how brain stim can shape social inference in human–machine interaction 🧠🤖⚡ New causal evidence linking rTPJ to Theory-of-Mind & Self–Other distinction, & path towards social #neuromodulation!
Thrilled to see this beautiful work out! Immense kudos to @ryssamoffat.bsky.social for leading this ambitious project and to @escross.bsky.social for the inspiring collaboration. Glad to explore together how inter-brain synchrony reflects our social bonds and their evolution across generations 🧠🤝🧠
What happens in the brain as people become less lonely? Intergenerational community programs can reduce loneliness, the underlying mechanisms remain unknown. We collected and analysed 732 🧠-scans to find out!
www.biorxiv.org/content/10.1...
@introspection.bsky.social + @escross.bsky.social
www.biorxiv.org/content/10.1...
@introspection.bsky.social + @escross.bsky.social
Longitudinal intergenerational hyperscanning reveals indices of relationship formation and loneliness
Loneliness is globally acknowledged as a severe and burgeoning health risk, fuelling interest in helping people of all ages form meaningful social connections. One promising approach consists of inter...
www.biorxiv.org
October 16, 2025 at 3:35 PM
Thrilled to see this beautiful work out! Immense kudos to @ryssamoffat.bsky.social for leading this ambitious project and to @escross.bsky.social for the inspiring collaboration. Glad to explore together how inter-brain synchrony reflects our social bonds and their evolution across generations 🧠🤝🧠
Reposted by Guillaume Dumas
Mila's annual supervision request process is now open to receive MSc and PhD applications for Fall 2026 admission! For more information, visit mila.quebec/en/prospecti...
October 15, 2025 at 11:26 AM
Mila's annual supervision request process is now open to receive MSc and PhD applications for Fall 2026 admission! For more information, visit mila.quebec/en/prospecti...
Reposted by Guillaume Dumas
Et demain, on consacrera notre émission aux conséquences potentiellement délétères des IA sur la santé mentale 🤖
Ce sera à 16h sur @franceculture.fr ! #ScienceCQFD
Ce sera à 16h sur @franceculture.fr ! #ScienceCQFD
a close up of a red circle with a white center
Alt: La lumière rouge de l'I.A HAL 9000 dans le film "2001, l'Odyssée de l'espace"
media.tenor.com
October 8, 2025 at 2:58 PM
Et demain, on consacrera notre émission aux conséquences potentiellement délétères des IA sur la santé mentale 🤖
Ce sera à 16h sur @franceculture.fr ! #ScienceCQFD
Ce sera à 16h sur @franceculture.fr ! #ScienceCQFD
🌐 Our submission "Reclaiming #Creativity: Cultural Rights, #AI, and the Future of Human Expression", with Antoine Bellemare, Suzanne Kite, @karimjerbi.bsky.social, has been positively received by the #UN Human Rights Office and cited their report for the UN General Assembly!
October 7, 2025 at 5:25 PM
🌐 Our submission "Reclaiming #Creativity: Cultural Rights, #AI, and the Future of Human Expression", with Antoine Bellemare, Suzanne Kite, @karimjerbi.bsky.social, has been positively received by the #UN Human Rights Office and cited their report for the UN General Assembly!
Reposted by Guillaume Dumas
🫁❤️New preprint out: The social, decoupled self
We show effects of interpersonal synchronization of physiological rhythms on intrapersonal cardiorespiratory coupling: when we sync our breathing, our breathing–heart rhythms decouple, with a perturbed phase-relationship
www.biorxiv.org/content/10.1...
We show effects of interpersonal synchronization of physiological rhythms on intrapersonal cardiorespiratory coupling: when we sync our breathing, our breathing–heart rhythms decouple, with a perturbed phase-relationship
www.biorxiv.org/content/10.1...
The social, decoupled self: interpersonal synchronization of breathing alters intrapersonal cardiorespiratory coupling
People synchronize their periodic behavioural and physiological rhythms with each other during social interaction. While this interpersonal synchronization has largely been associated with positive ef...
www.biorxiv.org
October 4, 2025 at 11:47 AM
🫁❤️New preprint out: The social, decoupled self
We show effects of interpersonal synchronization of physiological rhythms on intrapersonal cardiorespiratory coupling: when we sync our breathing, our breathing–heart rhythms decouple, with a perturbed phase-relationship
www.biorxiv.org/content/10.1...
We show effects of interpersonal synchronization of physiological rhythms on intrapersonal cardiorespiratory coupling: when we sync our breathing, our breathing–heart rhythms decouple, with a perturbed phase-relationship
www.biorxiv.org/content/10.1...
Honored to be awarded the FRQ–IVADO Research Chair in "Social Neuro-AI & Inter-Personalized Psychiatry"!
Grateful to my team & colleagues at @cra-chusj.bsky.social & @mila-quebec.bsky.social, and my family for their support 🙏
Excited to keep bridging social neuroscience, AI & precision psychiatry🚀
Grateful to my team & colleagues at @cra-chusj.bsky.social & @mila-quebec.bsky.social, and my family for their support 🙏
Excited to keep bridging social neuroscience, AI & precision psychiatry🚀
🔷 IVADO announces 6 new #AI #research chairs with the support of the Fonds de recherche du Québec.
Awarded to professors from our 5 partner universities, they reflect the excellence and diversity of AI research in Québec.
👉 ivado.ca/en/2025/09/2...
@fondsrechercheqc.bsky.social #R3AI
Awarded to professors from our 5 partner universities, they reflect the excellence and diversity of AI research in Québec.
👉 ivado.ca/en/2025/09/2...
@fondsrechercheqc.bsky.social #R3AI
IVADO announces the creation of six new research chairs in artificial intelligence with the support of the Fonds de recherche du Québec | IVADO
ivado.ca
September 29, 2025 at 3:36 PM
Honored to be awarded the FRQ–IVADO Research Chair in "Social Neuro-AI & Inter-Personalized Psychiatry"!
Grateful to my team & colleagues at @cra-chusj.bsky.social & @mila-quebec.bsky.social, and my family for their support 🙏
Excited to keep bridging social neuroscience, AI & precision psychiatry🚀
Grateful to my team & colleagues at @cra-chusj.bsky.social & @mila-quebec.bsky.social, and my family for their support 🙏
Excited to keep bridging social neuroscience, AI & precision psychiatry🚀
Reposted by Guillaume Dumas
Having fun facilitating this amazing group of young Profs at the #Neuro4Pros workshop with @kordinglab.bsky.social and @meganakpeters.bsky.social, @yaelniv.bsky.social, and Hannah Bayer.
Watch out world: this is the next generation of leaders!
compneurosci.com/Neuro4Pros/i...
Watch out world: this is the next generation of leaders!
compneurosci.com/Neuro4Pros/i...
August 26, 2025 at 9:27 PM
Having fun facilitating this amazing group of young Profs at the #Neuro4Pros workshop with @kordinglab.bsky.social and @meganakpeters.bsky.social, @yaelniv.bsky.social, and Hannah Bayer.
Watch out world: this is the next generation of leaders!
compneurosci.com/Neuro4Pros/i...
Watch out world: this is the next generation of leaders!
compneurosci.com/Neuro4Pros/i...
🗺️ Pathfinding: a neurodynamical account of intuition
📔 We #review the neuroscience of #intuition, and present it as a predictive embodied process, emergent from hippocampal replay & brain metastability
🤝 with S. Kotler, M. Mannino, K. Friston, G. Buzsáki & J.A.S Kelso
🔗 nature.com/articles/s42...
📔 We #review the neuroscience of #intuition, and present it as a predictive embodied process, emergent from hippocampal replay & brain metastability
🤝 with S. Kotler, M. Mannino, K. Friston, G. Buzsáki & J.A.S Kelso
🔗 nature.com/articles/s42...
Pathfinding: a neurodynamical account of intuition - Communications Biology
This Perspective article proposes a neurodynamical model of intuition as a fast, embodied pathfinding mechanism shaped by evolution. Drawing on the free-energy principle and metastability, it explores...
nature.com
August 15, 2025 at 6:25 PM
🗺️ Pathfinding: a neurodynamical account of intuition
📔 We #review the neuroscience of #intuition, and present it as a predictive embodied process, emergent from hippocampal replay & brain metastability
🤝 with S. Kotler, M. Mannino, K. Friston, G. Buzsáki & J.A.S Kelso
🔗 nature.com/articles/s42...
📔 We #review the neuroscience of #intuition, and present it as a predictive embodied process, emergent from hippocampal replay & brain metastability
🤝 with S. Kotler, M. Mannino, K. Friston, G. Buzsáki & J.A.S Kelso
🔗 nature.com/articles/s42...
🤔 How can we study #consciousness between people, at the social level? 🧠✨ New #preprint co-led by Anne Monnier & Lena Adel: “Now is the Time: Operationalizing Generative Neurophenomenology through Interpersonal Methods” 🧵(1/3)
August 8, 2025 at 3:16 PM
🤔 How can we study #consciousness between people, at the social level? 🧠✨ New #preprint co-led by Anne Monnier & Lena Adel: “Now is the Time: Operationalizing Generative Neurophenomenology through Interpersonal Methods” 🧵(1/3)
🧠🤖 De + en + de gens parlent à ChatGPT pour du soutien psychologique. Mais peut-on confier sa santé mentale à un chatbot ?
📺 Petit témoignage dans ce reportage TV www.youtube.com/watch?v=etrv... #SantéMentale #ChatGPT #IA #Psychologie
📺 Petit témoignage dans ce reportage TV www.youtube.com/watch?v=etrv... #SantéMentale #ChatGPT #IA #Psychologie
Santé mentale et IA : parler à un robot plutôt qu’un psychologue
YouTube video by Radio-Canada Info
www.youtube.com
July 22, 2025 at 12:26 PM
🧠🤖 De + en + de gens parlent à ChatGPT pour du soutien psychologique. Mais peut-on confier sa santé mentale à un chatbot ?
📺 Petit témoignage dans ce reportage TV www.youtube.com/watch?v=etrv... #SantéMentale #ChatGPT #IA #Psychologie
📺 Petit témoignage dans ce reportage TV www.youtube.com/watch?v=etrv... #SantéMentale #ChatGPT #IA #Psychologie
📚 Le livre “Le hasard: Littérature, arts, sciences, philosophie” est en #OpenAccess ➡️ books.openedition.org/editionscnrs...
📖 Vous pouvez lire notre Chapitre 5 sur “Créativité et contingence. Susciter le hasard à travers les arts”
📖 Vous pouvez lire notre Chapitre 5 sur “Créativité et contingence. Susciter le hasard à travers les arts”
July 21, 2025 at 3:30 PM
📚 Le livre “Le hasard: Littérature, arts, sciences, philosophie” est en #OpenAccess ➡️ books.openedition.org/editionscnrs...
📖 Vous pouvez lire notre Chapitre 5 sur “Créativité et contingence. Susciter le hasard à travers les arts”
📖 Vous pouvez lire notre Chapitre 5 sur “Créativité et contingence. Susciter le hasard à travers les arts”
Reposted by Guillaume Dumas
[RDV 16h !] L’activité des cerveaux peut se synchroniser lors d’une interaction. Les mécanismes sous-jacents restent méconnus. Comment la technique de l’hyperscanning permet-elle d’étudier cette synchronie ? Comment l'interpréter ? avec Guillaume Dumas et François-Xavier Alario
Synchronisation des cerveaux : branchés sur la même fréquence : épisode 4/4 du podcast Cerveau : les dessous de la mécanique
L’activité des cerveaux d’individus peut se synchroniser lors d’une interaction, comme le toucher affectif chez un couple. Les mécanismes sous-jacents à ce phénomène restent encore méconnus. Comment la technique de l’hyperscanning permet-elle d’étudier cette synchronie ? Comment l'interpréter ?
l.franceculture.fr
July 17, 2025 at 10:00 AM
[RDV 16h !] L’activité des cerveaux peut se synchroniser lors d’une interaction. Les mécanismes sous-jacents restent méconnus. Comment la technique de l’hyperscanning permet-elle d’étudier cette synchronie ? Comment l'interpréter ? avec Guillaume Dumas et François-Xavier Alario
♥️🔄♥️ Interpersonal Cardiac Synchrony During Emotional Sharing Between Strangers
🔎 Even brief emotional exchanges can align heart rhythms between strangers
📄 A new preprint led by the outstanding Lena Adel & Viktoriya Manova osf.io/preprints/ps...
#Social #Embodiment #AffectiveScience #Physiology
🔎 Even brief emotional exchanges can align heart rhythms between strangers
📄 A new preprint led by the outstanding Lena Adel & Viktoriya Manova osf.io/preprints/ps...
#Social #Embodiment #AffectiveScience #Physiology
OSF
osf.io
July 14, 2025 at 1:41 PM
♥️🔄♥️ Interpersonal Cardiac Synchrony During Emotional Sharing Between Strangers
🔎 Even brief emotional exchanges can align heart rhythms between strangers
📄 A new preprint led by the outstanding Lena Adel & Viktoriya Manova osf.io/preprints/ps...
#Social #Embodiment #AffectiveScience #Physiology
🔎 Even brief emotional exchanges can align heart rhythms between strangers
📄 A new preprint led by the outstanding Lena Adel & Viktoriya Manova osf.io/preprints/ps...
#Social #Embodiment #AffectiveScience #Physiology