Publications

Articles in Journals

• Yuji Kawai, Yuji Oshima, Yuki Sasamoto, Yukie Nagai, and Minoru Asada, A computational model for child inferences of word meanings via syntactic categories for different ages and languages, IEEE Transactions on Cognitive and Developmental Systems, in press.
• Yuji Kawai, Yukie Nagai, and Minoru Asada, Prediction error in the PMd as a criterion for biological motion discrimination: A computational account, IEEE Transactions on Cognitive and Developmental Systems, available online.
• Yuji Kawai, Yuji Oshima, Minoru Asada, Errors in children’s speech originating from undifferentiated grammatical categories: A model for over-production of an English past-tense morpheme and a Japanese case particle, Cognitive Studies, Vol. 24, No. 1, pp. 52-66, 2017 (in Japanese).
• Yuji Kawai, Yuji Oshima, Yuki Sasamoto, Yukie Nagai, and Minoru Asada, A model for syntactic development of children: Acquisition processes of syntactic categories reflecting structures of Japanese, English, and Chinese languages, Cognitive Studies, Vol. 22, No. 3, pp. 475-479, 2015 (in Japanese).
• Noriaki Kouda, Yuji Kawai, Nobuyuki Matsui, RCE Neural Network with a RBF Output Function and Its Performance, Transactions on the Society of Instrument and Control Engineers, Vol. 45, No. 11, pp. 620-627, 2007 (in Japanese).

Peer-Reviewed International Conferences (Full Paper)

• Kazuki Tachikawa, Yuji Kawai, Jihoon Park, and Minoru Asada, Effectively interpreting electroencephalogram classification using the Shapley sampling value to prune a feature tree, In Proceedings of the 27th International Conference on Artificial Neural Networks, pp. 672-681, Oct. 2018.
• Yuji Kawai, Tomohiro Takimoto, Jihoon Park, and Minoru Asada, Efficient reward-based learning through body representation in a spiking neural network, In Proceedings of the 8th Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics, pp. 198-203, Sep. 2018. (Babybot Challenge Paper Award)
• Yuji Kawai, Tatsuya Tokuno, Jihoon Park, and Minoru Asada, Echo in a small-world reservoir: time-series prediction using an economical recurrent neural network, In Proceedings of the 7th Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics, pp. 126-131, Sep. 2017.
• Tomohiro Takimoto, Yuji Kawai, Jihoon Park, and Minoru Asada, Self-organization based on auditory feedback promotes acquisition of babbling, In Proceedings of the 7th Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics, pp. 120-125, Sep. 2017. (Babybot Challenge Participation Award)
• Koki Ichinose, Jihoon Park, Yuji Kawai, Junichi Suzuki, Minoru Asada, and Hiroki Mori, Local over-connectivity reduces the complexity of neural activity: toward a constructive understanding of brain networks in patients with autism spectrum disorder, In Proceedings of the 7th Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics, pp. 233-238, Sep. 2017.
• Yuji Kawai, Minoru Asada, and Yukie Nagai, A model for biological motion detection based on motor prediction in the dorsal premotor area, In Proceedings of the 4th Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics, pp. 241-247, Oct. 2014.
• Yuji Kawai, Yuji Oshima, Yuki Sasamoto, Yukie Nagai, and Minoru Asada, Computational model for syntactic development: Identifying how children learn to generalize nouns and verbs for different languages, In Proceedings of the 4th Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics, pp. 78-84, Oct. 2014.
• Yuji Kawai, Yukie Nagai, and Minoru Asada, Perceptual development triggered by its self-organization in cognitive learning, In Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 5159-5164, Oct. 2012. 
• Yuji Kawai, Jihoon Park, Takato Horii, Kazuaki Tanaka, Hiroki Mori, Yukie Nagai, Takashi Takuma, and Minoru Asada, Throwing skill optimization through synchronization and desynchronization of degree of freedom, In Proceedings of the 16th Annual RoboCup International Symposium, Jun. 2012. (Best Paper Award Finalist, Research Award of the RoboCup Japan Open)
• Yukie Nagai, Yuji Kawai, and Minoru Asada, Emergence of mirror neuron system: Immature vision leads to self-other correspondence, In Proceedings of the 1st Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics, Aug. 2011. (Microsoft Student Travel Award)

Peer-Reviewed International Conferences (Short Paper / Abstract)

• Kazuki Tachikawa, Yuji Kawai, Jihoon Park, and Minoru Asada, Compensated integrated gradients to reliably interpret EEG classification, In Proceedings of NeurIPS 2018 Workshop on Machine Learning for Health, Dec. 2018. (Travel Award)
• Tomohiro Miki, Yuji Kawai, Jihoon Park, and Minoru asada, Intrinsically bursting neurons enlarge timescales of fluctuations in firing rates, In the 27th Annual Computational Neuroscience Meeting, Jul. 2018.
• Motohiro Ogura, Jihoon Park, Yuji Kawai, and Minoru Asada, An excitation / inhibition ratio impacts on organization of neural connectivity and information transfer, In Proceedings of the 27th Annual Computational Neuroscience Meeting, Jul. 2018.
• Ichiro Tsuda, Minoru Asada, Yuji Kawai, Mitsuru Kikuchi, Ikki Matsuda, and Tatsuya Kameda, An exploration of the principle of emerging interactions in spatiotemporal diversity, In Proceedings of the IUI Workshop on Symbiotic Interaction and Harmonious Collaboration for Wisdom Computing, Mar. 2018.
• Koki Ichinose, Jihoon Park, Yuji Kawai, Junichi Suzuki, Hiroki Mori, and Minoru Asada, Why does neural activity in ASD have low complexity?: from a perspective of a small-world network model, In Proceedings of the 26th Annual Computational Neurosciences Meeting, Jul. 2017.
• Jimmy Baraglia, Yukie Nagai, Yuji Kawai, and Minoru Asada, The role of temporal variance in motions for the emergence of mirror neuron systems, In Proceedings of the 2nd IEEE International Conference on Development and Learning and on Epigenetic Robotics, Nov. 2012.

Books

• Kazuki Tachikawa, Yuji Kawai, Jihoon Park, and Minoru Asada, Effectively interpreting electroencephalogram classification using the Shapley sampling value to prune a feature tree, Artificial Neural Networks and Machine Learning – ICANN 2018. Lecture Notes in Computer Science, Vol. 11141, pp. 672-681, Springer, 2018.
• Yuji Kawai, Jihoon Park, Takato Horii, Yuji Oshima, Kazuaki Tanaka, Hihorki Mori, Yukie Nagai, Takashi Takuma, and Minoru Asada, Throwing Skill Optimization through Synchronization and Desynchronization of Degree of Freedom, RoboCup 2012: Robot Soccer World Cup XVI Lecture Notes in Computer Science, Vol. 7500, pp. 178-189, Springer, 2013.

Invited Talks

• Constructive neuroscience: Functional networks emerge from neural and behavioral dynamics, The 3rd International Symposium on Cognitive Neuroscience Robotics: Toward Constructive Developmental Science, Dec. 2016.

Symposiums & Others

• Yuji Kawai, Jihoon Park, and Minoru Asada, A small-world topology enhances the echo state property of partially connected recurrent networks, The 1st International Symposium on Systems Intelligence Division, Jun. 2018.
• Park Jihoon, Yuji Kawai, and Minoru Asada, Neural representation of behavioral transitions emerged from an oscillator network, The 1st International Symposium on Systems Intelligence Division, Jun. 2018.
• Kazuki Tachikawa, Yuji Kawai, Jihoon Park and Minoru Asada, Pruning a feature tree for effective estimation of the Shapley value to interpret black-box predictions, The 1st International Symposium on Systems Intelligence Division, Jun. 2018.
• Minoru Asada, Yuji Kawai, Komatsu Nishigai, and Tatsuhiko Inatani, Legal being: How can artificial systems be qualified as legal personhoods in a future “NAJIMI” (symbiotic and harmonized) society?, In ICDL-EpiRob 2017 Workshop, Ethical Issues of Open Ended-Learning in Autonomous Robots, Sep. 2017.
• Tomohiro Takimoto, Yuji Kawai, Jihoon Park, and Minoru Asada, Babbling emerges from rhythmical neural activities through STDP, The 3rd International Symposium on Cognitive Neuroscience Robotics: Toward Constructive Developmental Science, Dec. 2016.
• Koki Ichinose, Jihoon Park, Yuji Kawai, Junichi Suzuki, Hiroki Mori, and Minoru Asada, Dynamical complexity in small world network: emergence of gamma oscillation from the structure of spiking neural network, The 3rd International Symposium on Cognitive Neuroscience Robotics: Toward Constructive Developmental Science, Dec. 2016.
• Yuji Kawai, Yuji Oshima, Yuki Sasamoto, Yukie Nagai and Minoru Asada, A Bayesian model for syntactic development: How do children generalize nouns and verbs in Japanese, English, and Chinese?, In ICIS 2014 Pre-Conference, Computational Models of Infant Development, Jul. 2014.
• Yuji Kawai, Yukie Nagai, and Minoru Asada, Maturational constraints lifted by self-organization in perceptual space for cognitive learning, Bielefeld-Osaka Workshop 2012, Mar. 2012.
• Yuji Kawai, Takato Horii, Ryo Ninomiya, Jihoon Park, Yuki Fukushima, Dai Hirose, Ryuhei Sumita, Yuji Okuyama, Tomoki Kashima, Hiroki Mori, and Minoru Asada, JEAP Team Description, RoboCup 2012 Humanoid League Team Description Paper, Jun. 2012.
• Yuji Kawai, Yukie Nagai, and Minoru Asada, Self-other confusion caused by undifferentiated visual perception: A clue to the understanding of others’ action, International Workshop for Young Researchers “Knowing Self, Knowing Others”, Jun. 2011.