Yuichi Yamashita

Profile Information

Affiliation: Section Chief, Department of Information Medicine, National Center of Neurology and Psychiatry
: Visiting Associate Professor, Tokyo Medical and Dental University
: Visiting Associate Professor, Tokyo University of Agriculture and Technology
: Visiting Associate Professor, Graduate School of Advanced Science and Engineering, Waseda University

J-GLOBAL ID: 201101005202520357
researchmap Member ID: B000001786

Certified Psychiatrist

Research Interests: Computational Psychiatry, Computational Neuroscience, Artificial Intelligence, Machine Learning

Research Interests

Research Areas

Research History

Jul, 2013 - Present

Section Chief, Department of Information Medicine, National Institute of Neuroscience, National Center of Neurology and Psychiatry
Oct, 2011 - Jun, 2013

Reseacher, Japan Science Technology Agency ERATO, Okanoya Emotional Information Project.
2010

リサーチアソシエイト, 同チーム
2000

医員, 東京都立松沢病院精神科
1998

School of Medicine, Faculty of Medicine, Tohoku University

Major Papers

Emergence of number sense through the integration of multimodal information: developmental learning insights from neural network models.

Kamma Noda, Takafumi Soda, Yuichi Yamashita

Frontiers in neuroscience, 18 1330512-1330512, 2024
Aberrant sense of agency induced by delayed prediction signals in schizophrenia: a computational modeling study.

Tsukasa Okimura, Takaki Maeda, Masaru Mimura, Yuichi Yamashita

Schizophrenia (Heidelberg, Germany), 9(1) 72-72, Oct 16, 2023 Peer-reviewedLast authorCorresponding author
Elucidating multifinal and equifinal pathways to developmental disorders by constructing real-world neurorobotic models

Hayato Idei, Yuichi Yamashita

Neural Networks, Oct, 2023 Peer-reviewedLast authorCorresponding author
Simulating developmental diversity: Impact of neural stochasticity on atypical flexibility and hierarchy

Takafumi Soda, Ahmadreza Ahmadi, Jun Tani, Manabu Honda, Takashi Hanakawa, Yuichi Yamashita

Frontiers in Psychiatry, 14, Mar 15, 2023 Peer-reviewedLast authorCorresponding author
Interaction between Functional Connectivity and Neural Excitability in Autism: A Novel Framework for Computational Modeling and Application to Biological Data

Yuta Takahashi, Shingo Murata, Masao Ueki, Hiroaki Tomita, Yuichi Yamashita

Computational Psychiatry, 7(1) 14-14, Jan 20, 2023 Peer-reviewedLast authorCorresponding author
Emergence of sensory attenuation based upon the free-energy principle

Hayato Idei, Wataru Ohata, Yuichi Yamashita, Tetsuya Ogata, Jun Tani

Scientific Reports, 12(1) 14542-14542, Aug 25, 2022
A high-generalizability machine learning framework for predicting the progression of Alzheimer's disease using limited data.

Caihua Wang, Yuanzhong Li, Yukihiro Tsuboshita, Takuya Sakurai, Tsubasa Goto, Hiroyuki Yamaguchi, Yuichi Yamashita, Atsushi Sekiguchi, Hisateru Tachimori

NPJ digital medicine, 5(1) 43-43, Apr 12, 2022
Neural network modeling of altered facial expression recognition in autism spectrum disorders based on predictive processing framework

Yuta Takahashi, Shingo Murata, Hayato Idei, Hiroaki Tomita, Yuichi Yamashita

Scientific Reports, 11(1), Dec, 2021 Peer-reviewedLast authorCorresponding author
Deep Feature Extraction for Resting-state Functional MRI by Self-Supervised Learning and Application to Schizophrenia Diagnosis

Yuki Hashimoto, Yousuke Ogata, Manabu Honda, Yuichi Yamashita

Frontiers in Neuroscience, 15 696853, Aug, 2021 Peer-reviewedLast authorCorresponding author
Psychiatric symptoms influence reward-seeking and loss-avoidance decision-making through common and distinct computational processes.

Shinsuke Suzuki, Yuichi Yamashita, Kentaro Katahira

Psychiatry and clinical neurosciences, Jun 20, 2021
Three-Dimensional Convolutional Autoencoder Extracts Features of Structural Brain Images With a "Diagnostic Label-Free" Approach: Application to Schizophrenia Datasets.

Hiroyuki Yamaguchi, Yuki Hashimoto, Genichi Sugihara, Jun Miyata, Toshiya Murai, Hidehiko Takahashi, Manabu Honda, Akitoyo Hishimoto, Yuichi Yamashita

Frontiers in neuroscience, 15 652987-652987, 2021 Peer-reviewedLast authorCorresponding author
Psychiatric disorders as failures in the prediction machine.

Yuichi Yamashita

Psychiatry and clinical neurosciences, 75(1) 1-2, Jan, 2021
Computational Psychiatry Research Map (CPSYMAP): A New Database for Visualizing Research Papers

Ayaka Kato, Yoshihiko Kunisato, Kentaro Katahira, Tsukasa Okimura, Yuichi Yamashita

Frontiers in Psychiatry, 11, Dec 4, 2020 Peer-reviewedLast authorCorresponding author
Homogeneous Intrinsic Neuronal Excitability Induces Overfitting to Sensory Noise: A Robot Model of Neurodevelopmental Disorder

Hayato Idei, Shingo Murata, Yuichi Yamashita, Tetsuya Ogata

Frontiers in Psychiatry, 11, Aug 12, 2020 Peer-reviewedCorresponding author
Predicting anxiety state using smartphone-based passive sensing.

Yusuke Fukazawa, Taku Ito, Tsukasa Okimura, Yuichi Yamashita, Takaki Maeda, Jun Ota

Journal of biomedical informatics, 93 103151-103151, May, 2019 Peer-reviewed
A Neurorobotics Simulation of Autistic Behavior Induced by Unusual Sensory Precision.

Hayato Idei, Shingo Murata, Yiwen Chen, Yuichi Yamashita, Jun Tani, Tetsuya Ogata

Computational psychiatry (Cambridge, Mass.), 2 164-182, Dec, 2018 Peer-reviewed
Learning to Perceive the World as Probabilistic or Deterministic via Interaction With Others: A Neuro-Robotics Experiment

Shingo Murata, Yuichi Yamashita, Hiroaki Arie, Tetsuya Ogata, Shigeki Sugano, Jun Tani

IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 28(4) 830-848, Apr, 2017 Peer-reviewed
Spontaneous Prediction Error Generation in Schizophrenia

Yuichi Yamashita, Jun Tani

PLOS ONE, 7(5) e37843, May, 2012 Peer-reviewed
Emergence of Functional Hierarchy in a Multiple Timescale Neural Network Model: A Humanoid Robot Experiment

Yuichi Yamashita, Jun Tani

PLOS COMPUTATIONAL BIOLOGY, 4(11) e1000220, Nov, 2008 Peer-reviewed

Misc.

サリエンスをアフォーダンスとして捉え直す: 能動的推論の視点からの、精神病症状の異常サリエンス仮説への示唆

正俊吉田, Kengo Miyazono, 慶之西尾, Yuichi Yamashita, Keisuke Suzuki

Jxiv, Sep 1, 2022
Emergence of Number Sense in Deep Multi-modal Neural Networks

Kamma Noda, Takafumi Soda, Yuichi Yamashita

PsyArXiv, Aug 2, 2022 Last authorCorresponding author
Interaction between functional connectivity and neural excitability in autism: A novel framework for computational modeling and biological validation

Yuta Takahashi, Shingo Murata, Masao Ueki, Hiroaki Tomita, Yuichi Yamashita

PsyArXiv, Apr 28, 2022 Last authorCorresponding author
生成系深層学習を使った精神疾患脳構造画像変換の検討

山口博行, 清水正彬, 杉原玄一, 菱本明豊, 本田学, 山下祐一

精神神経学雑誌, 124(4付録) S-541, Apr, 2022
深層学習を使った精神疾患脳構造画像の特徴量抽出

山口博行, 橋本侑樹, 杉原玄一, 宮田淳, 村井俊哉, 高橋英彦, 本田学, 山下祐一

精神神経学雑誌, (2020特別号) S323-S323, Sep, 2020
予測符号化理論に基づくニューラルネットワークを用いた自閉スペクトラム症における表情認知特性に関する検討

高橋雄太, 村田真悟, 出井勇人, 富田博秋, 山下祐一

日本神経精神薬理学会年会・日本生物学的精神医学会年会・日本精神薬学会総会・学術集会合同年会プログラム・抄録集, 50回・42回・4回 183-183, Aug, 2020
Homogeneous intrinsic neuronal excitability induces overfitting to sensory noise: A robot model of neurodevelopmental disorder

Hayato Idei, Shingo Murata, Yuichi Yamashita, Tetsuya Ogata

PsyArXiv, Jun 2, 2020 Corresponding author
Paradoxical sensory reactivity induced by functional disconnection in a robot model of neurodevelopmental disorder

Hayato Idei, Shingo Murata, Yuichi Yamashita, Tetsuya Ogata

PsyArXiv, Jun 2, 2020 Corresponding author
A Review on Neural Network Models of Schizophrenia and Autism Spectrum Disorder.

Pablo Lanillos, Daniel Oliva, Anja Philippsen, Yuichi Yamashita, Yukie Nagai, Gordon Cheng

CoRR, abs/1906.10015, 2019
計算論的精神医学による統合失調症のSense of Agencyの異常の病態仮説

沖村宰, 山下祐一, 三村將, 前田貴記

精神神経学雑誌, (2017特別号) S331-S331, Jun, 2017
計算論的精神医学による統合失調症のSense of Agencyの異常の病態仮説

沖村宰, 山下祐一, 三村將, 前田貴記

精神神経学雑誌, (2017特別号) S331-S331, Jun, 2017
研究領域基準(RDoC)は有効か? 計算モデルによる精神医学研究ストラテジー評価方法の提案

山下祐一, 片平健太郎

精神神経学雑誌, (2017特別号) S604-S604, Jun, 2017
Proposal of Prediction Model of Anxiety Using Sensor Logs and Application History

116(508) 321-328, Mar 9, 2017
Proposal of Prediction Model of Anxiety Using Sensor Logs and Application History

116(509) 317-324, Mar 9, 2017
A prototype model for evaluating psychiatric research strategies: Diagnostic category-based approaches vs. the RDoC approach

Kentaro Katahira, Yuichi Yamashita

Sep 1, 2016
Nonpathological Anxiety Prediction Using Both Sensor Logs and Application History of Smartphones

116(66) 47-52, May 26, 2016
Bayesian model of the Sense of Agency in normal subjects

Shiro Yano, Toshiyuki Kondo, Yuichi Yamashita, Tsukasa Okimura, Hiroshi Imamizu, Takaki Maeda

2015 International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015, Mar 21, 2016
3P2-Q03 Selection of Proactive and Reactive Behavior by Distinct Neural Mechanisms(Neurorobotics & Cognitive Robotics)

MURATA Shingo, YAMASHITA Yuichi, ARIE Hiroaki, OGATA Tetsuya, TANI Jun, SUGANO Shigeki

2014 "3P2-Q03(1)"-"3P2-Q03(2)", May 24, 2014
脳の計算論に基づく行為の意思作用感障害の病態メカニズム仮説

山下祐一, 谷淳

精神神経学雑誌, (2011特別) S-363, Oct, 2011
統合失調症における作為体験の力学系モデルによる説明(Dynamical systems account for delusion of control in schizophrenia: a neuro-robotic experiment)

山下祐一, 谷淳

神経化学, 49(2-3) 682-682, Aug, 2010

Major Books and Other Publications

計算論的精神医学 : 情報処理過程から読み解く精神障害

国里, 愛彦, 片平, 健太郎, 沖村, 宰, 山下, 祐一

勁草書房, 2019 (ISBN: 9784326251315)

Major Works

Computational Psychiatry Research Map (CPSYMAP)

Ayaka Kato, Yuichi Yamashita

Apr, 2020 - Present Web Service

Major Research Projects

知覚と感情を媒介する認知フィーリングの原理解明

戦略的創造研究推進事業, 科学技術振興機構, Oct, 2021 - Mar, 2027

山下祐一
スマートロボットにおける知能に関する数理的アプローチ

ムーンショット型研究開発事業, JST, Apr, 2021 - Mar, 2026

尾形哲也(分担・山下祐一)
人工知能技術と疾患横断的・次元的アプローチに基づく精神障害の計算論的診断学の創出

科学研究費助成事業基盤研究(A), 基盤研究(A), 日本学術振興会, Apr, 2020 - Mar, 2025

山下祐一
Cognitive Mirroring: Assisting people with developmental disorders by means of self-understanding and social sharing of cognitive processes.

CREST, Japan Science and Technology Agency, Dec, 2016 - Mar, 2022

Yukie Nagai

Industrial Property Rights

特開2009-245236 情報処理装置、情報処理方法、およびプログラム

谷淳, 山下祐一, 並川淳

Profile Information

Research Interests

Research Areas

Research History

Major Papers

Misc.

Major Books and Other Publications

Major Works

Major Research Projects

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