JUNICHI CHIKAZOE

Last Updated :2025/07/16

Affiliations, Positions
Center for Brain, Mind and KANSEI Sciences Research, Professor
Self-introduction
I'm conducting research on how sensory information from the five senses is transformed into subjective value in the brain by applying machine learning (including deep learning) to functional MRI data. I aim to propose models that explain complex human behaviors through emotions.

Basic Information

Academic Degrees

  • The University of Tokyo
  • MD, PhD, University of Tokyo

Research Fields

  • Informatics;Human informatics;Cognitive science

Research Keywords

  • Functional MRI
  • Value
  • Emotion

Affiliated Academic Societies

  • Society for Neuroscience
  • The Japan Neuroscience Society

Research Activities

Academic Papers

  1. ★, Enhancing prediction of human traits and behaviors through ensemble learning of traditional and novel resting-state fMRI connectivity analyses, NeuroImage, 303, 120911-120911, 202412
  2. Healthy dietary choices involve prefrontal mechanisms associated with long-term reward maximization but not working memory, Cerebral Cortex, 34(7), 20240703
  3. Continuous decision to wait for a future reward is guided by fronto-hippocampal anticipatory dynamics, Cerebral Cortex, 34(5), 20240502
  4. Healthy dietary choices involve prefrontal mechanisms associated with long-term reward maximization but not cognitive control, Cerebral Cortex, 20240220
  5. ★, Evaluation of the Hierarchical Correspondence between the Human Brain and Artificial Neural Networks: A Review, Biology, 12(10), 1330-1330, 20231012
  6. Cognitive Dynamics Estimation: A whole-brain spatial regression paradigm for extracting the temporal dynamics of cognitive processes., bioRxiv : the preprint server for biology, 20230627
  7. A clearing in the objectivity of aesthetics?, Frontiers in neuroimaging, 2, 1211801-1211801, 2023
  8. Refining the negative into general and specific., Nature neuroscience, 25(6), 678-679, 202206
  9. Perceptual uncertainty alternates top-down and bottom-up fronto-temporal network signaling during response inhibition, The Journal of Neuroscience, 42(22), 4567-4579, 20220502
  10. Reversible Fronto-occipitotemporal Signaling Complements Task Encoding and Switching under Ambiguous Cues, Cerebral Cortex, 32(9), 1911-1931, 20220501
  11. ★, Coexistence of sensory qualities and value representations in human orbitofrontal cortex., Neuroscience research, 20220223
  12. ★, On co-activation pattern analysis and non-stationarity of resting brain activity, NeuroImage, 20210831
  13. ★, Vision-to-value transformations in artificial neural networks and human brain, bioRxiv : the preprint server for biology, 20210320
  14. ★, Distillation of Regional Activity Reveals Hidden Content of Neural Information in Visual Processing., Frontiers in human neuroscience, 15, 777464-777464, 2021
  15. Counterfactual Explanation of Brain Activity Classifiers Using Image-To-Image Transfer by Generative Adversarial Network., Frontiers in neuroinformatics, 15, 802938-802938, 2021
  16. Emotional Objectivity: Neural Representations of Emotions and Their Interaction with Cognition., Annual review of psychology, 201910
  17. The neural representation of facial-emotion categories reflects conceptual structure., Proceedings of the National Academy of Sciences of the United States of America, 116(32), 15861-15870, 201908
  18. ★, Distinct representations of basic taste qualities in human gustatory cortex, Nature Communications, in press(1), 1048, 201903
  19. ★, Functional neuroimaging approaches to human memory, Memory in a Social Context: Brain, Mind, and Society, 15-24, 20171215
  20. Representation of affect in sensory cortex, BEHAVIORAL AND BRAIN SCIENCES, 39, e252, 2016
  21. ★, Population coding of affect across stimuli, modalities and individuals, Nature neuroscience, 17(8), 1114-1122, 201408
  22. fMRI Activity in the Macaque Cerebellum Evoked by Intracortical Microstimulation of the Primary Somatosensory Cortex: Evidence for Polysynaptic Propagation, PLOS ONE, 7(10), e47515, 201210
  23. Efficiency of Go/No-Go Task Performance Implemented in the Left Hemisphere, JOURNAL OF NEUROSCIENCE, 32(26), 9059-9065, 201206
  24. Role for Presupplementary Motor Area in Inhibition of Cognitive Set Interference, JOURNAL OF COGNITIVE NEUROSCIENCE, 23(3), 737-745, 201103
  25. Prediction of subsequent recognition performance using brain activity in the medial temporal lobe, NEUROIMAGE, 54(4), 3085-3092, 201102
  26. Medial prefrontal activity during shifting under novel situations, NEUROSCIENCE LETTERS, 484(3), 182-186, 201011
  27. Amygdalar modulation of frontotemporal connectivity during the inkblot test., Psychiatry research, 182(2), 103-110, 20100530
  28. Amygdalar modulation of frontotemporal connectivity during the inkblot test, PSYCHIATRY RESEARCH-NEUROIMAGING, 182(2), 103-110, 201005
  29. ★, Localizing performance of go/no-go tasks to prefrontal cortical subregions, CURRENT OPINION IN PSYCHIATRY, 23(3), 267-272, 201005
  30. Differential temporo-parietal cortical networks that support relational and item-based recency judgments, NEUROIMAGE, 49(4), 3474-3480, 201002
  31. Amygdalar enlargement associated with unique perception, CORTEX, 46(1), 94-99, 201001
  32. ★, Preparation to Inhibit a Response Complements Response Inhibition during Performance of a Stop-Signal Task, JOURNAL OF NEUROSCIENCE, 29(50), 15870-15877, 200912
  33. Sub-centimeter scale functional organization in human inferior frontal gyrus, NEUROIMAGE, 47(2), 442-450, 200908
  34. Formation of Long-Term Memory Representation in Human Temporal Cortex Related to Pictorial Paired Associates, JOURNAL OF NEUROSCIENCE, 29(33), 10335-10340, 200908
  35. A critical component that activates the left inferior prefrontal cortex during interference resolution, EUROPEAN JOURNAL OF NEUROSCIENCE, 29(9), 1915-1920, 200905
  36. ★, Functional Dissociation in Right Inferior Frontal Cortex during Performance of Go/No-Go Task, CEREBRAL CORTEX, 19(1), 146-152, 200901
  37. SELF-ORDERED DIMENSIONS IN THE WCST THAT EFFICIENTLY DETECT LATERAL PREFRONTAL ACTIVATION ASSOCIATED WITH SHIFTING UNDER NOVEL SITUATIONS, JOURNAL OF PHYSIOLOGICAL SCIENCES, 59, 507-507, 2009
  38. On Verbal/Nonverbal Modality Dependence of Left and Right Inferior Prefrontal Activation during Performance of Flanker Interference Task, JOURNAL OF COGNITIVE NEUROSCIENCE, 20(11), 2006-2014, 200811
  39. Differential superior prefrontal activity on initial versus subsequent shifts in naive subjects, NEUROIMAGE, 41(2), 575-580, 200806
  40. Right temporopolar activation associated with unique perception, NEUROIMAGE, 41(1), 145-152, 200805
  41. Activation in left and right inferior frontal gyri during inhibitory control is independent of verbal/nonverbal material effects: an fMRI study, Proceedings of Annual Meeting of the Physiological Society of Japan, 2007, 168-168, 2007
  42. ★, Activation of right inferior frontal gyrus during response inhibition across response modalities, JOURNAL OF COGNITIVE NEUROSCIENCE, 19(1), 69-80, 200701
  43. Personality-dependent cortical network during understanding other persons' mental states, NEUROSCIENCE RESEARCH, 58, S63-S63, 2007
  44. Activation shift from medial to lateral temporal cortex associated with recency judgements following impoverished encoding, Cerebral Cortex, 16(4), 469-474, 200604
  45. Neural mechanism in anterior prefrontal cortex for inhibition of prolonged set interference, Proceedings of the National Academy of Sciences of the United States of America, 102(35), 12584-12588, 20050830

Invited Lecture, Oral Presentation, Poster Presentation

  1. Integrating Neuroscience and Humanities: New Frontiers in Emotion Research, The 27th Japan Human Brain Mapping, 2025/03/08
  2. Emotional Informatics: Activity report and future direction, 2024/07/20
  3. Development of novel fMRI analysis methods using pattern analysis of localized or whole-brain activity, 2024/03/21
  4. Modeling sensory-to-value transformation using neural networks, Junichi Chikazpe; Trung Quang Pham, 2022/07/01
  5. The role of the default mode network in value estimation: A combinatorial study of functional MRI and deep learning., Junichi Chikazoe, 2020/02/22
  6. Importance of pattern analysis for exploring shared neural correlates across modalities, J Chikazoe, 第40回日本神経科学大会, 2017/07, 日本神経科学学会, Chiba
  7. 快と不快の脳内表現, J Chikazoe, 日本情動学会第6回大会, 2016/12, 日本情動学会, Kobe
  8. Coexistence of representations of basic tastes and hedonic valence in subregions of gustatory cortices., J Chikazoe, The 44th annual meeting of Society for Neuroscience, 2014/10, Society for Neuroscience, Washinton D.C.
  9. From object to affect: Multivariate population codes reveal distinct representations in the orbitofrontal and ventral temporal cortices., J Chikazoe, The 42nd annual meeting of Society for Neuroscience, 2012/10, Society for Neuroscience, New Orleans
  10. From object to affect: Multivariate population codes reveal distinct representations in the orbitofrontal and ventral temporal corticies, Junichi Chikazoe, Toronto Western Research Institute's Neuroimaging Rounds, 2012/08/07
  11. Inferior frontal activation associated with inhibition of prepotent saccadic eye movements, J Chikazoe, The 35th annual meeting of Society for Neuroscience, 2005/11, Society for Neuroscience, Washinton D.C.

External Funds

Acceptance Results of Competitive Funds

  1. 2024/10, 2028/03
  2. Grants-in-Aid for Scientific Research, Elucidation of the operational principles of the brain as a parallel information processing system, 2024/04, 2027/03
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  3. Grants-in-Aid for Scientific Research, Elucidation of the integrated processing process of ambivalent value information by functional MRI, 2021/08/23, 2024/03/31
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  4. Grants-in-Aid for Scientific Research, Reconstruction of human sciences by decoding emotional information from neural activities, 2021/08/23, 2024/03/31
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  5. Grants-in-Aid for Scientific Research, Restructuring human sciences based on decoding of emotional information, 2021/08/23, 2024/03/31
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  6. 2021/04/01, 2024/03/31
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  7. 2019/04, 2024/03
  8. 2019/04/01, 2023/03/31
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  9. 2017/10, 2019/03
  10. 2017/04, 2019/03
  11. 2016/04, 2018/03
  12. 2016/09, 2017/03
  13. 2011/04, 2013/03