How much representational diversity exists around a trained network? A lot, it turns out! Moving a ViT’s weights by 1.3% while preserving its predictions, its representations end up less similar to the original than a random-init ViT’s ‼️ New paper: Hessian Null Space Continuation (HNC) 💫🧵 (1/12)

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I gave a talk yesterday at a CiNeT / University of Osaka conference about AI & neuroscience. I started with this question — given that AI (especially language models) and brains are so different in structure and environment, how could they have anything to do with one another? 1/

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Thank you to everyone sharing in this moment! I’m so grateful to all my trainees & collaborators… dlab.stanford.edu/group-members (pic: Peter and I together in 2017) Reading for all those asking: for technical details: dlab.stanford.edu for everyone: deisseroth.org/projections

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The 2026 Nobel Prize in Physiology or Medicine recognizes @deisseroth.bsky.social, Peter Hegemann, and Georg Nagel for developing optogenetics—read more about this transformative technique and its applications in @thetransmitter.bsky.social’s archive: www.thetransmitter.org/spectrum/swi...

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BREAKING NEWS The 2026 Nobel Prize in Physiology or Medicine has been awarded to Karl Deisseroth, Peter Hegemann and Georg Nagel “for their discoveries concerning light-gated ion channels and optogenetics.”

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