UIST 2025 Keynote + Closing

on YouTube ↗01h 35m

" summary

Argues that organisms trade richness for certainty over accuracy, modeling the world as an Umwelt as interface defined by evolutionarily shaped sensors; internal milieu (homeostasis) supplies rewards and the body acts as a proxy value system. Presents experiments and tools: rodent conditioning to dissociate taste and gut signals, a NeurIPS-style RL agent with an internal-state module producing surprising emergent behaviors, and ongoing work to make mice accept spicy food. Claims AI today is largely trivial and externally rewarded and needs nontrivial internal models to partner with humans.

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" chapters (8)

1. 0:00Introduction and welcome
2. 1:30Keynote speaker introduction
3. 4:42Jakob von Uexküll and Umwelt concept
4. 15:47Heinz von Foerster and non-trivial systems
5. 29:11Claude Bernard and internal milieu
6. 47:58Shaping function and body as interface
7. 52:18Q&A session begins
8. 1:02:07Award presentations and closing remarks