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Ph.D.(South China Normal University)
Details of the Researcher
Research History 2
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2020/11 - PresentTohoku University Frontier Research Institute for Interdisciplinary Sciences Assistant Professor
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2017/11 - 2020/04California Institute of Technology Biology and Biological Engineering
Education 1
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South China Normal University Psychology
2011/09 - 2017/06
Professional Memberships 6
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Japanese Neuroscience Society
2019 - 2023
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Society for Social Neuroscience
2024/03 -
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Society for Neuroscience
2023/11 -
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Society for Neuroeconomics
2023/10 -
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Vision Science Society
2022 -
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Organization of Human Brain Mapping
2021/06 -
Research Interests 5
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Computational modeling
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Psychophysics
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Neuroeconomics
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Social Neuroscience
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Cognitive Neuroscience
Research Areas 3
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Life sciences / Neuropathology /
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Life sciences / Basic brain sciences /
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Life sciences / Cognitive neuroscience /
Awards 6
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Excellent Young Researcher Award
2023/04 Tohoku University ECEI
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Prominent Researcher
2022/02 Tohoku University
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Best Poster Award in the 6th Ensemble Workshop for Early Career Researchers
2021/02 Tohoku University Natural human tempo, its neural correlates, and their application for well-being
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Conference Exchange Travel Award (Japanese Neuroscience Society-Society for Neuroscience)
2020/05 Japanese Neuroscience Society Natural human tempo and its neural correlates
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Conference Travel Award from Society of NeuroEconomics
2019/10 Society of NeuroEconomics Behavioral and Neural Processing of Reward and Risk
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Travel award for S4SN and Chicago Neuroimaging workshop
2015/11 National Science Foundation (United States)
Papers 26
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Amygdala ablation reduces negative interpretation bias and improves post-traumatic stress disorder symptoms
Tao Xie, Sanne J.H., van Rooij, Sai Sun, Noah K. Bryson, Phillip Demares, Haeorum Park, Luigi Maccotta, Shuo Wang, Peter Brunner, Jon T. Willie
In submission under a top Neuroscience journal 2025
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Neural correlates of evidence accumulation in social-affective decision-making under perceptual ambiguity
Sai Sun, Tao Xie, Yibei Chen, Jinge Wang, Xin Li, Rongjun Yu, Peter Brunner, Jon T. Willie, Shuo Wang, Hongbo Yu
https://doi.org/10.1101/2025.06.24.660932 2025
DOI: 10.1101/2025.06.24.660932
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Contextual incongruency selectively modulates reward and emotion sensitivity.
Junjing Wang, Yi Zhang, Sai Sun
In review under a major Neuroscience journal 2024/10
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Implicit encoding of social trait perceptions: modeling eye-gaze, pupillary, and neuronal responses to faces
Anqi Mao, Runnan Cao, Sai Sun, Shuo Wang, DongWon Oh, Anqi Mao
PsyArXiv Preprint (In review under a top psychology journal) 2024/07
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Natural finger-tapping tempo reflects intrinsic neuropsychological characteristics
Sai Sun, Daw-An Wu, Mohammad Shehata, Takuya Akashi, Morimichi Furudate, Chao Zhang, Ken-Ichiro Tsutsui, Satoshi Shioiri, Shinsuke Shimojo
Research Square Preprint (In revision under a top neuroscience Journal) 2024/07
DOI: 10.21203/rs.3.rs-4580693/v1
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Commonality of neuronal coherence for motor skill acquisition and interlimb transfer Peer-reviewed
Zhao, J., Wang, YF, Hou, DZ, Sun, S, C, Négyesi, J., Inada, H., Shioiri., S., Nagatomi, R.
Scientific Reports 2024
DOI: 10.1038/s41598-025-11943-6
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Multimodal investigations of emotional face processing and social trait judgement of faces Peer-reviewed
Hongbo Yu, Chujun Lin, Sai Sun, Runnan Cao, Kohitij Kar, Shuo Wang
Annals of the New York Academy of Sciences 2024/01
DOI: 10.1111/nyas.15084
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A uniform human multimodal dataset for emotion perception and judgment Peer-reviewed
Sai Sun, Runnan Cao, Ueli Rutishauser, Rongjun Yu, Shuo Wang
Scientific Data 10 (773) 2023/11/07
DOI: 10.1038/s41597-023-02693-z
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Functional connectivity between the amygdala and prefrontal cortex underlies processing of emotion ambiguity Peer-reviewed
Sai Sun, Hongbo Yu, Rongjun Yu, Shuo Wang
Translational Psychiatry 13 (334) 2023/10/28
DOI: 10.1038/s41398-023-02625-w
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Cognitive and neural bases of visual-context-guided decision-making Peer-reviewed
Sai Sun, Hongbo Yu, Shuo Wang, Rongjun Yu
Neuroimage 2023/07/15
DOI: 10.1016/j.neuroimage.2023.120170
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Breakdown of intention-based outcome evaluation after transient right temporoparietal junction deactivation Peer-reviewed
Junfeng Zhang, Sai Sun, Chengyan Zhou, Yaochun Cai, Hao Liu, Zhaoyang Yang, Rongjun Yu
Scientific Reports 13 (1259) 2023/01/23
DOI: 10.1038/s41598-023-28293-w
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Reduced pupil oscillation during facial emotion judgment in people with autism spectrum disorder Peer-reviewed
Sai Sun, Paula J. Webster, Yu Wang, Hongbo Yu, Rongjun Yu, Shuo Wang
Journal of Autism and Developmental Disorders 2022/12/18
Publisher: Springer Science and Business Media LLCDOI: 10.1007/s10803-022-05478-2
ISSN: 0162-3257
eISSN: 1573-3432
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Behavioral and neural representation of expected reward and risk Peer-reviewed
Sai Sun, Chuhua Cai, RongjunYu
Neuroimage 264 2022/12
DOI: 10.1016/j.neuroimage.2022.119731
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Domain-specific neural substrates underlie the framing effect Peer-reviewed
Sai Sun, Jianping Hu, Rongjun Yu
Neuroimage: Reports 2 (4) 100119-100119 2022/12
Publisher: Elsevier BVDOI: 10.1016/j.ynirp.2022.100119
ISSN: 2666-9560
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Handedness did not affect motor skill acquisition by the dominant hand or interlimb transfer to the non-dominant hand regardless of task complexity level. International-journal Peer-reviewed
János Négyesi, Péter Négyesi, Tibor Hortobágyi, Sai Sun, Joji Kusuyama, Rita M Kiss, Ryoichi Nagatomi
Scientific reports 12 (1) 18181-18181 2022/10/28
DOI: 10.1038/s41598-022-21962-2
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Better the devil you know than the devil you don't: Neural processing of risk and ambiguity Peer-reviewed
Shuyi Wu, Sai Sun, Julia A.Camilleri, Simon B.Eickhoff, Rongjun Yu
Neuroimage 236 2021/08
DOI: 10.1016/j.neuroimage.2021.118109
ISSN: 1053-8119
eISSN: 1095-9572
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The neural basis of feedback-guided behavioral adjustment Peer-reviewed
Sun, S., Wang, S.
Neuroscience Letters 736 1-6 2020/09/25
DOI: 10.1016/j.neulet.2020.135243
ISSN: 0304-3940
eISSN: 1872-7972
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Outcome saliency modulates behavioral decision switching Peer-reviewed
Sun, S., Yu, R., Wang, S.
Scientific Reports 10 (1) 1-12 2020/08/31
DOI: 10.1038/s41598-020-71182-9
eISSN: 2045-2322
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The Confidence Database Peer-reviewed
Rahnev, D., Desender, K., Lee, A.L.F., Adler, W.T., Aguilar-Lleyda, D., Akdoğan, B., Arbuzova, P., Atlas, L.Y., Balcı, F., Bang, J.W., Bègue, I., Birney, D.P., Brady, T.F., Calder-Travis, J., Chetverikov, A., Clark, T.K., Davranche, K., Denison, R.N., Dildine, T.C., Double, K.S., Duyan, Y.A., Faivre, N., Fallow, K., Filevich, E., Gajdos, T., Gallagher, R.M., de Gardelle, V., Gherman, S., Haddara, N., Hainguerlot, M., Hsu, T.-Y., Hu, X., Iturrate, I., Jaquiery, M., Kantner, J., Koculak, M., Konishi, M., Koß, C., Kvam, P.D., Kwok, S.C., Lebreton, M., Lempert, K.M., Ming Lo, C., Luo, L., Maniscalco, B., Martin, A., Massoni, S., Matthews, J., Mazancieux, A., Merfeld, D.M., O’Hora, D., Palser, E.R., Paulewicz, B., Pereira, M., Peters, C., Philiastides, M.G., Pfuhl, G., Prieto, F., Rausch, M., Recht, S., Reyes, G., Rouault, M., Sackur, J., Sadeghi, S., Samaha, J., Seow, T.X.F., Shekhar, M., Sherman, M.T., Siedlecka, M., Skóra, Z., Song, C., Soto, D., Sun, S., van Boxtel, J.J.A., Wang, S., Weidemann, C.T., Weindel, G., Wierzchoń, M., Xu, X., Ye, Q., Yeon, J., Zou, F., Zylberberg, A.
Nature Human Behaviour 4 (3) 317-325 2020/02/03
DOI: 10.1038/s41562-019-0813-1
eISSN: 2397-3374
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A neural signature encoding decisions under perceptual ambiguity Peer-reviewed
Sun, S., Yu, R., Wang, S.
eNeuro 4 (6) 2017/11/14
DOI: 10.1523/ENEURO.0235-17.2017
eISSN: 2373-2822
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Decision ambiguity is mediated by a late positive potential originating from cingulate cortex Peer-reviewed
Sun, S., Zhen, S., Fu, Z., Wu, D.-A., Shimojo, S., Adolphs, R., Yu, R., Wang, S.
NeuroImage 157 400-414 2017/08/15
DOI: 10.1016/j.neuroimage.2017.06.003
ISSN: 1053-8119
eISSN: 1095-9572
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The human amygdala parametrically encodes the intensity of specific facial emotions and their categorical ambiguity Peer-reviewed
Wang, S., Yu, R., Tyszka, J.M., Zhen, S., Kovach, C., Sun, S., Huang, Y., Hurlemann, R., Ross, I.B., Chung, J.M., Mamelak, A.N., Adolphs, R., Rutishauser, U.
Nature Communications 8 2017/04/21
DOI: 10.1038/ncomms14821
eISSN: 2041-1723
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Social conformity persists at least one day in 6-year-old children Peer-reviewed
Sun, S., Yu, R.
Scientific Reports 6 2016/12/21
DOI: 10.1038/srep39588
eISSN: 2045-2322
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Calm and smart? A selective review of meditation effects on decision making Peer-reviewed
Sun, S, Yao, Z, Wei, J, Yu, R
Frontiers in Psychology 6 1-11 2015/07/24
eISSN: 1664-1078
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The feedback related negativity encodes both social rejection and explicit social expectancy violation Peer-reviewed
Sun, S., Yu, R.
Frontiers in Human Neuroscience 8 2014/07/29
eISSN: 1662-5161
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To Conform or Not to Conform: Spontaneous Conformity Diminishes the Sensitivity to Monetary Outcomes Peer-reviewed
Yu, R., Sun, S.
PLoS ONE 8 (5) 2013/05/17
DOI: 10.1371/journal.pone.0064530
eISSN: 1932-6203
Presentations 29
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A unified neural model in representing and modulating decision parameters underlying emotional ambiguity
Sai Sun, Yibei Cheng, Jinge Wang, Xin Li, Rongjun Yu, Shuo Wang, Hongbo Yu
Japanese neuroscience society 2025/07/25
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Reading the Body: Neural Representations of Emotion and Sociality in Naturalistic Human Motion
Vision Science Society
Vision Science Society 2025/05/17
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Symposium 1: From emotion to social interaction: New insights from direct brain recordings in humans Invited
Speakers Shawn Rhoads, Icahn School of, Medicine, a, Mount Sinai, Salman Qasim, Rutgers University, Katherine Kabotyanski, Baylor College of Medicine, Sai Sun, Tohoku University
Social & Affective Neuroscience Conference 2025/04/24
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A database of human body movements and perceived valence, arousal, and sociality
Kiwa Tanaka, Miao Cheng, Sai Sun, Yuki Murai, Chia-huei Tseng
Vision Society of Japan
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Natural finger tapping reflects intrinsic neuropsychological characteristics.
Sai Sun et al
Society for Neuroscience. 2024/10
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Task complexity- related neurophysiological dynamics underlying visuomotor skill learning and interlimb transfer.
J. Zhao, Y. Wang, D. Hou, S. Sun, J. Négyesi, H. Inada, S. Shioiri, R. Nagatomi
Society for Neuroscience. 2024/10
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Attention guides reward-based decision-making as measured by SSVEPs.
D. Hou, S. Sun, S. Shioiri.
Society for Neuroscience. 2024/10
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Exploring mechanisms of self-initiated attention shifts-analysis of theta wave.
D. Hou, S. Sun, Y. Hatori, C. Tseng, S. Shioiri
The 16th Asia Pacific Conference on Vision. 2024/07
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Circuit-specific mechanisms and regulation for emotion recognition
Sai Sun et al
Canadian Neuroscience Meeting 2024/05
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Circuit-specific mechanisms guiding precise neuromodulation aimed at enhancing social function Invited
Sai Sun
Southern Medical University 2024/04/12
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Neurotranslational research for empowering the mind/brain: Circuit- and frequency-specific mechanisms for guiding precise neuromodulation
Sai Sun
FRIS/TI-FRIS hub meeting 2024/03/28
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Circuit- and frequency-specific mechanisms for guiding precise neuromodulation Invited
Sai Sun
City University of Hong Kong 2024/03/20
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Functional connectivity in emotional ambiguity processing: a multimodality perspective and clinical implication
Sai Sun et al
Society for Social Neuroscience 2024/03
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Functional connectivity between the amygdala and prefrontal cortex underlies processing of emotion ambiguity
Sai Sun, Hongbo Yu, Rongjun Yu, Shuo Wang
Society for Neuroscience 2023/11/15
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Functional connectivity in emotional ambiguity processing: a multimodality perspective and clinical implication
Sai Sun, Hongbo Yu, Rongjun Yu, Shuo Wang
Society for Social Neuroscience 2023/11/03
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Cognitive and neural bases of salience-driven incidental learning
Sai Sun, Hongbo Yu, Shuo Wang, Rongjun Yu
Society For Neuroeconomics 2023/10/15
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Functional connectivity in emotional ambiguity processing: a multimodal perspective and clinical implication (Oral presentation)
Sai Sun, Hongbo Yu, Rongjun Yu, Shuo Wang
The Japan Neuroscience Society 2023/08/04
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State-Space Configuration of Intrinsic Motor and Cognitive Tempo (Oral presentation)
Sai Sun, Chia-huei Tseng, Kexin Xiong, Yasuhiro Hatori, Shinsuke Shimojo, Shioiri Satoshi
The Asian Conference on Psychology & the Behavioral Sciences (ACP2023) 2023
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Neural circuitry mechanisms underlie social perception and decision and neurotherapeutic trials for social function improvement
Sai Sun
Guangzhou Medical University 2023/04
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Alpha-dependent oscillatory coupling accounts for the inter-individual difference in spontaneous motor tempo and context-dependent adaptative changes (Oral presentation)
*Sai Sun, Satoshi Shioiri, Shinsuke Shimojo
Japanese Neuroscience Society (Wakate Dojo: Sensory and Movement Themes) 2022/07/01
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Performance Generalization from Low-to-High Order Task (Poster presentation)
Sai Sun
Vision Science Society 2022/06/02
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Late positive potential as a neurophysiological marker of evidence accumulation in social and non-social categorization (Oral presentation)
Hongbo Yu, Sai Sun, Jinge Wang, Xin Li, Shuo Wang
Society For Neuroeconomics 2021/09
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Neural representation and prediction of natural motor tempo (Oral presentation)
Sai Sun
Japanese Neuroscience Society 2021/07
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High-density tDCS stimulation targeting the dACC improves ambiguity resolving among schizophrenia (Poster presentation)
Sai Sun
Organization for Human Brain Mapping 2021/06
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Deficits in emotional recognition and decision under ambiguity among schizophrenia and further intervention (Poster presentation)
Sai Sun
7th Ensemble Workshop for Early Career Researchers 2021/05/20
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Behavioral and attentional coding of expected reward and risk (Poster presentation)
Sai Sun
Vision Science Society 2021/05
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Natural human tempo and its neural correlates (Oral presentation)
SUN Sai
Japanese Neuroscience Society 2020/07/29
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Effects of facial attractiveness on product's attractiveness depends on visibility of face and sequence (Poster presentation)
SUN Sai
Vision Science Society 2020/05/20
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Behavioral and Neural Processing of Reward and Risk (Poster and Oral presentation)
SUN Sai
Soceity of NeuroEconomics 2019/10/06
Research Projects 6
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Circuit-specific mechanisms underlying emotion recognition and social trait judgement
Offer Organization: Tohoku Initiative for Fostering Global Researchers for Interdisciplinary Sciences (TI-FRIS)
2023/04 - 2028/07
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Developing non-invasive and minimally invasive neuromodulation protocols in enhancing social function
Offer Organization: Young leaders overseas program
System: Young leaders overseas program
Category: Young leaders overseas program
2024/09 - 2025/09
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Personalized cognitive intervention via frequency-selective intrinsic alpha modulation
Sai Sun
Offer Organization: Japan Society for the Promotion of Science
System: Grant-in-Aid for Early-Career Scientists
Category: Cognitive Neuroscience
Institution: Tohoku university
2022/04 - 2024/03
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Interaction between handedness, laterality, and task complexity: the effects and underlying mechanisms of a short-term unilateral sequence training on this interaction.
NEGYESI Janos, SUN Sai, KUSUYAMA Joji, NAGATOMI Ryoichi
Offer Organization: Program for Creation of Interdisciplinary Research
2021/04 - 2023/03
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Constructing natural tempo representation map and database
Sai Sun, Kexin Xiong, Chia-huei Tseng
Offer Organization: Creative Interdisciplinary Collaboration Program
Institution: Tohoku university
2021/04 - 2023/03
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Assessing intrinsic brain variability via music-tuning spontaneous motor activity
Sai Sun, Janos Negyesi
Offer Organization: Ensemble Grants for Early Career Researchers
Institution: Tohoku university
2021/04 - 2022/03
Teaching Experience 7
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Research co-supervision for PhD project: Personalized neuromodulation in enhancing motor function
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Research co-supervision for Undergraduate Thesis: How the Human Brain Encodes Emotion and Sociality from Bodily Motion?
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Research co-supervision for PhD thesis: Neurocognitive Mechanisms of Self-initiated Attention
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Doctoral dissertation supervision (Commonality of Neuronal Coherence for Visuomotor Skill Learning and Interlimb Transfer) Tohoku University (School of Medicine)
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Mentorship for Neuromatch Academy - Computational Neuroscience (3-week global courses)
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EEG basics (Lecture for Tohoku University B3 students) Tohoku University Research Institute of Electrical Communication
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Neural correlates of natural human tempo (Invited Lecture for undergraduate students) California Institute of Technology
Media Coverage 1
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Media Enquiry from Hong Kong: gender equality in STEM in China
South China Morning Post in Hong Kong South China Morning Post in Hong Kong
2021/11
Type: Newspaper, magazine
Academic Activities 9
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Peer review for Scientific Reports
2024 - 2024
Activity type: Scientific advice/Review
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Session Chair for the 13th Asian Conference on Psychology & the Behavioral Sciences
2023/04/02 - 2023/04/02
Activity type: Other
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Peer Review for the 13th Asian Conference on Psychology & the Behavioral Sciences
2023/01/25 - 2023/02/05
Activity type: Academic society, research group, etc.
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Peer Review for Neurobiology of Stress Journal
2022/02/01 - 2022/08/01
Activity type: Peer review
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Peer review for the journal of npj aging and mechanisms of disease
2024 -
Activity type: Scientific advice/Review
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Peer review for the Scientific Data Journal
2024 -
Activity type: Peer review
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Peer review for the Cerebral Cortex Journal
2024 -
Activity type: Peer review
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Peer review for the Neuroimage Journal
2024 -
Activity type: Peer review
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Peer Review for Social Cognitive and Affective Neuroscience Journal
2022/12/13 -
Activity type: Peer review