Our paper at #NeurIPS 2025:

1) Pre-trained transformer models impose semantic structure on inputs.

2) More skewing of transformer processing as input uncertainty increases.

3) Spurious concept activations can predict hallucinations.

arxiv.org/pdf/2509.069...

#large #language #models + #safety

📢 job opening: software developer at Mila Quebec AI Institute & McGill

As of now, my team is looking to hire a new technical staff member with abackground in a STEM area for running and curating existing AI analysis pipelines, as well as designing GUIs around them.

Please DM or email me, with CV

Our Nature paper on the hashtag#scaling hashtag#behavior and economics of hashtag#machine hashtag#learning predictions in high-dimensional brain scans is out !

Congrats to the whole team.

www.nature.com/articles/s41...

Looking forward to speak at Yale University next friday.

impact-mh.org/event/impact...

I am impressed by this book I am currently reading: Kissinger's posthumous work on:
-strong anthropological views on the current AI evolution
-modes in which #AI could take space as a physical and intellectual actor
-how modes of decision making of humans and machines can coalesce and completment

Great opportunity to get generous postdoc funding to work at a Canadian university

Big congrats to our former postdoc Andrea @andrealuppi.bsky.social for earning the Brain Star Award for his work !

can-acn.org/brain-star-a...

Just finished my slides for World AI Summit Headliner talk this week.

Jack Stanley shows how to tailor #LLMs for single-sentence prediction in #autism:

www.cell.com/cell/fulltex...

Great collabo with Eugene Belilovsky + Siva Reddy from @mila-quebec.bsky.social, and Laurent Mottron + Emmett Rabot

@oprah-winfrey.bsky.social and @michaelpollan.bsky.social make unmistakably clear: there is widespread interest in #psychedelics

>1M views in less than a week, bravo !

Out soon !

pubmed.ncbi.nlm.nih.gov/39149460/

@evfedorenko.bsky.social at Berkley LLM workshop gave insightful talk today:

-Broca / Wernicke s are speech areas, not language areas per se
-language networks similar across 50 languages
-most language voxel are INsensitive to semantics
-lesion studies suggest thought intact but speech impaired

@suryaganguli.bsky.social gives great talk at LLM workshop at Berkley

-LLM<->brain is still a new topic, less progress so far than LLM<->vision
-lets train LLM foundation models of specific brain systems and then reverse engineer them
-emerging paradigm: read-write experiments in brains+machines

Now accepted at Nature Computational Science:

Nicole shows how #Bayesian #hierarchical #models can explicitly model major #source of #population #stratification in 10,000 ABCD subjects.

pmc.ncbi.nlm.nih.gov/articles/PMC...