Sakai Yutaka

Affiliation and department：
Job title：教授
Homepage URL (2)： http://tamagawa.brainsci.net/sakai/ , http://spike.lab.tamagawa.ac.jp/index-e.html

Research field (3)： Neuroscience - general , Mathematical physics and basic theory , Intelligent informatics

Research keywords (6)： Theory of neural computation , Learning behavior , Conditioning , Reinforcement learning , Neural coding , Synaptic plasticity

Research theme for competitive and other funds (17)：

2023 - 2028 時間に関連した認知機能の進化的基盤を探る
2018 - 2023 Chronogenesis: how the mind generates time
2018 - 2023 Ontogeny and phylogeny of the acquisition of time
2016 - 2020 Development of computational models of mental disorders and evaluation of therapeutic effects by simulation
2014 - 2019 Neural mechanisms of adaptive circuit shift in operant learning of behaviors

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Papers (44)：

Yutaro Sato, Yutaka Sakai, Satoshi Hirata. State-transition-free reinforcement learning in chimpanzees (Pan troglodytes). Learning & behavior. 2023. 51. 4. 413-427
Alain Rios, Satoshi Nonomura, Shigeki Kato, Junichi Yoshida, Natsuki Matsushita, Atsushi Nambu, Masahiko Takada, Riichiro Hira, Kazuto Kobayashi, Yutaka Sakai, et al. Reward expectation enhances action-related activity of nigral dopaminergic and two striatal output pathways. Communications biology. 2023. 6. 1. 914-914
Shogo Soma, Shinya Ohara, Satoshi Nonomura, Naofumi Suematsu, Junichi Yoshida, Eva Pastalkova, Yutaka Sakai, Ken-Ichiro Tsutsui, Yoshikazu Isomura. Rat hippocampal CA1 region represents learning-related action and reward events with shorter latency than the lateral entorhinal cortex. Communications biology. 2023. 6. 1. 584-584
Keita Mitani, Masanori Kawabata, Yoshikazu Isomura, Yutaka Sakai. Automated and parallelized spike collision tests to identify spike signal projections. iScience. 2022. 25. 10. 105071-105071
Yuki Sakai, Yutaka Sakai, Yoshinari Abe, Jin Narumoto, Saori C Tanaka. Memory trace imbalance in reinforcement and punishment systems can reinforce implicit choices leading to obsessive-compulsive behavior. Cell reports. 2022. 40. 9. 111275-111275

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MISC (39)：

Kazuki Takahashi, Tomoki Fukai, Yutaka Sakai, Takashi Takekawa. Goal-oriented inference of environment from redundant observations. 2023
Tomohiko Yoshizawa, Yuuto Miyamura, Yuta Ochi, Riichiro Hira, Makoto Funahashi, Yutaka Sakai, Yilong Cui, Yoshikazu Isomura. Working memory-based and -free reward prediction in a dual dopamine system in the basal ganglia. bioRxiv (preprint). 2023
Shogo Soma, Shinya Ohara, Satoshi Nonomura, Junichi Yoshida, Naofumi Suematsu, Eva Pastalkova, Yutaka Sakai, Ken-Ichiro Tsutsui, Yoshikazu Isomura. Hippocampal CA1 represents action and reward events instantly compared to the superficial and deep layers of the lateral entorhinal cortex. bioRxiv. 2022. (preprint)
黒宮光平, 塚元葉子, 酒井裕, 礒村宜和, 藤山文乃, 佐村俊和. Phasic Firings of Neurons in Motor Cortex and Striatum during Spindle on Electrocorticogram Signals. 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報. 2017. 116. 424. 49-52
沖津健吾, 酒井裕. パブロフ条件づけとインストゥルメンタル条件づけが影響し合う学習行動を再現する統合計算論モデル. 基礎心理学研究. 2016. 34. 2. 301

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Patents (1)：

Books (2)：

Lectures and oral presentations (7)：

過去・現在・未来をつなぐ学習のメカニズム
(「意志創発の進化・脳・心理基盤」次世代脳2017年度冬のシンポジウム 2017)
Defect of prospective and retrospective time scales in reinforcement learning behind Obsessive Compulsive Disorder
(The 2nd International Symposium on the Science of Mental Time, Sep. 12-13, 2017, Nara, Japan 2017)
Computational model of Obsessive-Compulsive Disorder (OCD)
(The 40th Annual Meeting of the Japan Neuroscience Society 2017)
A model-based reinforcement learning model using Rescorla-Wagner principle reproduces Pavlovian-to-Instrumental Transfer
(Neuroscience 2016, The Annual Meeting of the Society for Neuroscience, San Diego, CA, USA, Nov 11-16, 2016 2016)
Computational model of Obsessive-Compulsive Disorder
(Workshop on the Mechanism of Brain and Mind 2016 2016)

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Education (2)：

Professional career (1)：

Work history (7)：

2013/04 - 現在 Tamagawa University Brain Science Institute Professor
2007/04 - 2013/03 Tamagawa University Brain Science Institute Associate Professor
2004/04 - 2007/03 College of Engineering, Tamagawa University Associate Professor
2000/04 - 2004/03 Faculty of Engineering, Saitama University Research Associate
1997/04 - 2000/03 Graduate School of Science, Kyoto University Ph.D course

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Awards (1)：

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