Masafumi Oizumi

Associate Professor

c-oizumi atmark g.ecc.u-tokyo.ac.jp
Department of General Systems Studies Graduate School of Arts and Sciences The University of Tokyo 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan Building 16, Room 227B
Masafumi Oizumi

Selected Publications

Ken Takeda*, Masaru Sasaki*, Kota Abe, Masafumi Oizumi (2025) "Unsupervised Alignment in Neuroscience: Introducing a Toolbox for Gromov-Wasserstein Optimal Transport". Journal of Neuroscience Methods, 419, 110443. DOI
Masafumi Oizumi, Chanseok Lim, Ryota Kanai (2025) "Principal bundle geometry of qualia: Understanding the quality of consciousness from symmetry". PsyArXiv DOI
Genji Kawakita*, Ariel Zeleznikow-Johnston*, Ken Takeda*, Naotsugu Tsuchiya**, Masafumi Oizumi** (2025) "Is my "red" your "red"?: Evaluating structural correspondences between color similarity judgments using unsupervised alignment." iScience, 28, 3, 112029. DOI
Daiki Sekizawa, Sosuke Ito, Masafumi Oizumi (2024) "Decomposing thermodynamic dissipation of linear Langevin systems via oscillatory modes and its application to neural dynamics". Physical Review X 14 (4), 041003. DOI
Shunsuke Kamiya, Genji Kawakita, Shuntaro Sasai, Jun Kitazono, Masafumi Oizumi (2023) "Optimal Control Costs of Brain State Transitions in Linear Stochastic Systems." The Journal of Neuroscience, 43 (2), 270-281. DOI
Jun Kitazono, Yuma Aoki, Masafumi Oizumi (2022) "Bidirectionally connected cores in a mouse connectome: Towards extracting the brain subnetworks essential for consciousness." Cerebral Cortex, bhac143. DOI
Masafumi Oizumi, Naotsugu Tsuchiya, Shun-ichi Amari (2016) "Unified Framework for Information Integration Based on Information Geometry". Proceedings of the National Academy of Sciences, 113(51), 14817-14822. DOI
Masafumi Oizumi, Shun-ichi Amari, Toru Yanagawa, Naotaka Fujii, Naotsugu Tsuchiya (2016) "Measuring Integrated Information from the Decoding Perspective". PLoS Comput Biol, 12(1), e1004654. DOI
Masafumi Oizumi*, Larissa Albantakis*, Giulio Tononi (2014) "From the Phenomenology to the Mechanisms of Consciousness: Integrated Information Theory 3.0". PLoS Computational Biology, 10, e1003588. DOI
Masafumi Oizumi, Toshiyuki Ishii, Kazuya Ishibashi, Toshihiko Hosoya, Masato Okada (2010) "Mismatched decoding in the brain." The Journal of Neuroscience, 30, 4815-4826. DOI

Grants

  • 2021-: JST Moonshot R&D
  • 2023-2028: Grant-in-Aid for Transformative Research Areas (A), The Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)
  • 2020-2023: Grant-in-Aid for Transformative Research Areas (B), The Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)
  • 2018-2024: CREST, Japan Science and Technology Agency (JST)
  • 2018-2022: Grant-in-Aid for Scientific Research (B), The Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)
  • 2014-2017: Grant-in-Aid for Young Scientists (B), The Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)

Education

2007-2010 | Ph.D., Department of Complexity Science and Engineering, Graduate School of Frontier Sciences, The University of Tokyo
2005-2007 | M.S., Department of Complexity Science and Engineering, Graduate School of Frontier Sciences, The University of Tokyo
2001-2005 | B.S., Department of Physics, Tokyo Institute of Technology

Work History

Apr, 2019 - present | Associate Professor, The University of Tokyo, Graduate School of Arts and Sciences, Department of General Systems Studies
Mar, 2017 - Mar, 2019 | Manager, Araya Inc., Basic Research Group
Sep, 2014 - Oct, 2016 | Visiting Researcher, Monash University, Monash Biomedical Imaging, Prof Naotsugu Tsuchiya's Lab
Apr, 2014 - Feb, 2017 | RIKEN Special Postdoctoral Researcher, RIKEN, Brain Science Institute, Prof Shun-ichi Amari's Lab
Oct, 2011 - Oct, 2013 | Visiting Researcher, University of Wisconsin-Madison, Prof Giulio Tononi's Lab
Apr, 2011 - Mar, 2014 | JSPS Superlative Postdoctoral Fellow (SPD), RIKEN Brain Science Institute, Prof Shun-ichi Amari's Lab

Fellowships

  • 2014-2017: RIKEN, Special Postdoctoral Researcher
  • 2011-2014: The Japan Society for the Promotion of Science (JSPS), Research Fellow SPD
  • 2008-2011: The Japan Society for the Promotion of Science (JSPS), Research Fellow DC1

Awards

  • The First Prize NIKON JOICO AWARD 2021
  • Asican Pacific Neural Network Assembly Young Researcher Award 2012
  • Dean Prize, Graduate School of Frontier Sciences (Doctor Course) 2010
  • Japanese Neural Network Society Research Award 2008
  • Dean Prize, Graduate School of Frontier Sciences (Master Course) 2007
  • IEEE CIS Japan Chapter Young Researcher Award 2007
  • Japanese Neural Network Society Young Researcher Award 2006