The sixth research area meeting of Transformative Research Area (A)： unified theory of prediction and action
Dates：4th – 5th, November 2025
Venue：Meeting room1, 2, Clark Memorial Student Center 3F, Hokkaido University
Co-organized by the Center for Human Nature, Artificial Intelligence, and Neuroscience (CHAIN), Hokkaido University
Important information： Please check To all participants.
Registration： https://forms.gle/63sDV4M6YASXKsMh6
Program (PDF)
4th, November 2025: 9:30 – 20:00
9:30 – 10:00 Opening
10:00 – 10:05 Greeting
Progress Report: Invited Research Teams C02 (10:05 – 12:20)
10:05-10:25 C02 C02 Rie Kimura
The neural basis of visual prediction changing with learning
10:25-10:45C02 Tomoya Nakai
Building brain computational models for symbol sequence prediction
10:45-11:05 C02 Jun Nagai (Presenter: Teppei Kanaya)
Theory of prediction based on glia-neuron circuits dynamics
11:05-11:20 Coffee Break
11:20-11:40 C02 Ryusuke Hayashi
Neural mechanisms of predictive information processing in macaque visual cortex
11:40-12:00 C02 Kenichi Amemori
Predictive coding for anxiety control: hierarchical network in the primate cognitive-limbic system
12:00-12:20 C02 Akihiro Funamizu
Understand the hierarchical structure of theory, behavior, activity, gene of Bayesian brain.
12:20 – 12:30 Group Photo Shooting *The group photo will be taken in the lecture room after the meeting.
12:30-14:00 Lunch ＆ Poster session
Progress Report: Invited Research Teams C01 (14:00 – 15:00)
14:00-14:20 C01 Hiroshi Morioka
Revealing high-level cyclic causal representation of predictions and actions in the brain
14:20-14:40 C01 Taisuke Kobayashi
Elucidating Functional Roles of Nonlinear TD Errors Guided by Reinforcement Learning as Inference
14:40-15:00 C01 Jun Tani
Theory and robot experimental research on metacognitive adaptation extending the free energy principle
15:00-15:15 Coffee Break
Progress Report: Invited Research Teams C02 (15:15 – 16:35)
15:15-15:35 C02 Tatsuya Umeda
Elucidation of neural dynamics in a canonical microcircuit of the cerebral cortex
15:35-15:55 C02 Jun Miyata
Localization of prediction error/salience in midbrain-striatal pathway and their association with delusion/hallucination
15:55-16:15 C02 Riichiro Hira
Dynamics of multiple predictions by cortico-cortical communication
16:15-16:35 C02 Masaaki Ogawa
Neural mechanisms and computational algorithms for coping with reward prediction errors
16:35-18:00 Discussion
18:00-20:00 Reception ＆ Poster session
5th, November 2025: 9:30 – 15:00
Progress Report: Research Teams B01-04（9:30 – 10:50）
9:30-9:50 B04 Hidehiko Takahashi
Understanding the Predictive Mechanisms of the Human Brain and its aberration
9:50-10:10 B03 Misako Komatsu
Large-scale neural basis for generative model acquisition in active inference in
non-human primates
10:10-10:30 B02 B02 Teppei Ebina
Macro- and meso-scopic dorsal cortical neural dynamics underlying prediction and
action in common marmoset
10:30-10:50 B01 Hitoshi Okamoto
Mechanisms of Decision-Making Behavior Based on Transmission of Prediction and
Prediction Error Signals between Hierarchical Brain Areas
10:50-11:05 Coffee Break
Progress Report: Research Teams A01-03（11:05 – 12:05）
11:05 – 11:25 A03 Kenji Doya
Understanding the sensory and motor cortical circuits based on the duality of inference
and control
11:25 – 11:45 A02 A02 Masahiro Suzuki
Research on deep generative models based on the free energy principle
11:45 – 12:05 A01 Takuya Isomura
Creating neuromorphic artificial intelligence using reverse engineering of generative models
12:05-13:30 Lunch ＆ Poster session
12:05-13:05 Steering meeting
*Research Team PIs, academic investigators, and evaluation committee members are requested to gather at the reception desk after the meeting. You will be guided to the steering meeting venue.
Progress Report: Invited Research Teams C02 (13:30 – 14:10)
13:30-13:50 C02 Kentaro Abe
Brain representations of familiarity and discomfort during communication
13:50-14:10 C02 Masatoshi Yoshida
Understanding active vision from the perspective of active inference
14:10-14:25 Coffee Break
14:25-14:55 Discussion
14:55– 15:00 Discussion for future schedule
15:00 Closing