Research publication

Journal Papers

• Koumura, T., Terashima, H., Furukawa, S., 2020, "Chimeric sounds with shuffled "texture" and "content" synthesized by a model of the auditory system". Acoust Sci Technol 41:337–340. [paper]
• Furukawa, S., Terashima, H., Koumura, T., Tsukano, H., 2020, "Data-driven approaches for unveiling the neurophysiological functions of the auditory system" Acoust Sci Technol 41:63–66. [paper]
• Koumura, T., Terashima, H., Furukawa, S., 2019, "Cascaded Tuning to Amplitude Modulation for Natural Sound Recognition", Journal of Neuroscience, 39 (28) 5517-5533. [bibtex] [paper]
• Koumura, T., Okanoya, K., 2020, "Distributed representation of discrete sequential vocalization in the Bengalese finch (Lonchura striata var. domestica)", Bioacoustics, vol. 29(3), pp. 356-373. [bibtex] [paper] [journal]
• Koumura, T., Furukawa, S., 2018, "Do Speech Contexts Induce Constancy of Material Perception Based on Impact Sound Under Reverberation?", Acta Acustica united with Acustica, vol. 104(5), pp. 796-799. [bibtex] [paper]
• Koumura, T., Furukawa, S., 2017, "Context-Dependent Effect of Reverberation on Material Perception from Impact Sound", Scientific Reports, vol. 7(1), pp. 16455. [bibtex] [paper]
• Koumura, T., Okanoya, K., 2016, "Automatic Recognition of Element Classes and Boundaries in the Birdsong with Variable Sequences", PLoS ONE, vol. 11(7), pp. e0159188. [bibtex] [paper]
• Tachibana, R.O., Koumura, T., Okanoya, K., 2015, "Variability in the temporal parameters in the song of the Bengalese finch (Lonchura striata var. domestica)", Journal of Comparative Physiology A, vol. 201(12), pp. 1157--1168. [bibtex] [journal]
• Koumura, T., Urakubo, H., Ohashi, K., Fujii, M., Kuroda, S., 2014, "Stochasticity in Ca2+ Increase in Spines Enables Robust and Sensitive Information Coding", PLoS ONE, vol. 9(6), pp. e99040. [bibtex] [paper]
• Koumura, T., Seki, Y., Okanoya, K., 2014, "Local structure sensitivity in auditory information processing in avian song nuclei", NeuroReport, vol. 25(8), pp. 562--568. [bibtex] [paper] [journal]
• Honda, M., Urakubo, H., Koumura, T., Kuroda, S., 2013, "A common framework of signal processing in the induction of cerebellar LTD and cortical STDP", Neural Networks, vol. 43, pp. 114--124. [bibtex] [paper] [journal]

Invited Talks

• Koumura, T., 2019, "Modeling the Auditory System with a Deep Neural Network", Kagoshima Neuroscience Meeting. [bibtex] [slide (in Japanese)]
• Koumura, T., Terashima, H., Furukawa, S., 2018, "Chimeric sounds with shuffled “texture” and “content” synthesized by a model of the auditory system", International Symposium on Universal Acoustical Communication 2018. [bibtex]
• Koumura, T., 2018, lecture in Keio University. [slide (in Japanese)]
• Koumura, T., 2017, Summer Seminar of Acoustical Society of Japan. [bibtex (in Japanese)] [slide (in Japanese)]

Invited Papers

• Koumura, T., Terashima, H., Furukawa, S., 2019, "Perception of Sound Shitsukan and Models of the Auditory System", Journal of the Institute of Image Information and Television Engineers (in Japanese), 73 (3), pp 427--430. [bibtex]

Awards and Honors

• Awaya Award, Acoustical Society of Japan, 2018. [link (in Japanese)]
• Conference Award, Japanese Neural Network Society, 2017. [link (in Japanese)]
• Research Fellowship for Young Scientists DC2, Japan Society for the Promotion of Science, 2015. [link (in Japanese)]
• Half-Exemption for Outstanding Achievement from Scholarship Repayment, Japan Student Services Organization, 2015.
• Award from Undergraduate School of Science, University of Tokyo, 2011. [link (in Japanese)]

Conference Presentations

• Koumura, T., Terashima, H., Furukawa, S., 2020, "Psychophysical Modulation Transfer Function in a Neural Network Trained for Natural Sound Classification", Autumn Meeting, the Acoustical Society of Japan.
• Koumura, T., Terashima, H., Furukawa, S., 2020, "Modulation Transfer Functions Measured with Broad- and Narrow-band Noise Carriers in a Deep Neural Network Trained for Natural Sound Recognition", 43rd Annual MidWinter Meeting, Association for Research in Otolaryngology.
• Koumura, T., Terashima, H., Furukawa, S., 2019, "Modulation Transfer Functions in a Deep Neural Network Trained for Natural Sound Recognition", International Symposium. Past, Present and Future of Shitsukan Science and Technologies.
• Koumura, T., Terashima, H., Furukawa, S., 2019, "“Psychophysical” Detectability of Amplitude Modulation in a Deep Neural Network Trained for Natural Sound Recognition", The 29th Annual Conference, Japanese Neural Network Society. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2019, "“Psychophysical” Modulation Transfer Functions in a Deep Neural Network Trained for Natural Sound Recognition", International Symposium on Auditory and Audiological Research. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2019, "Tuning of Single-Unit Responses to Interaural Time Difference in a Deep Neural Network", The 42nd Annual Meeting, Japan Neuroscience Society. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2019, "Single-Unit Tuning in a Deep Neural Network Trained for Natural Sound Recognition", Auditory Research Meeting, Acoustical Society of Japan. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2019, "Tuning to interaural time difference emerging in a deep neural network for binaural natural sound recognition", 2019 Spring Meeting, the Acoustical Society of Japan. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2019, "Emergence of ITD Selectivity in a Deep Neural Network Trained for Binaural Natural Sound Detection", 42nd Annual MidWinter Meeting, Association for Research in Otolaryngology. [bibtex]
• Koumura, T., Sawayama, M., Nishida, S., 2018, "Explaining behavioral data of visual material discrimination with a neural network for natural image recognition", The 28th Annual Conference, Japanese Neural Network Society. [bibtex] [paper]
• Koumura, T., Terashima, H., Furukawa, S., 2018, "Sound Texture Conversion Based on the Features Calculated by a Modulation Processing Model in the Auditory System", 2018 Autumn Meeting, the Acoustical Society of Japan. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2018, "Representation of amplitude modulation similar to the auditory nervous system in a deep neural network: analysis by single unit recording", The 41st Annual Meeting, Japan Neuroscience Society. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2018, "Emergence of auditory-system-like representation of amplitude modulation in a deep neural network trained for sound classification", 27th Annual Computational Neuroscience Meeting, Organization for Computational Neurosciences. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2018, "Single unit recording in a deep neural network reveals representation of amplitude modulation　similar to the auditory nervous system", 11th Forum of Neuroscience, Federation of European Neuroscience Societies. [bibtex]
• Koumura, T., Nakatani, M., Kondo, H.M., 2018, "Investigating individual difference of auditory-evoked autonomous sensory meridian response (ASMR)", Auditory Research Meeting, Acoustical Society of Japan. [bibtex]
• Koumura, T., Sawayama, M., Nishida, S., 2018, "A neural network as a unified model for explaining image features for processing various types of “shitsukan”", 32nd Annual Conference, the Japanese Society for Artificial Intelligence. [bibtex] [paper]
• Koumura, T., Terashima, H., Furukawa, S., 2018, "Auditory representation of modulation frequency emerging from supervised deep learning", 2018 Spring Meeting, the Acoustical Society of Japan. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2018, "Representation of Amplitude Modulation in a Deep Neural Network Optimized for Sound Classification", 41st Annual MidWinter Meeting, Association for Research in Otolaryngology. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2017, "Auditory-system-like representation of amplitude modulation revealed by the “neurophysiology” of a deep neural network", 17th China-Japan-Korea Joint Workshop on Neurobiology and Neuroinformatics. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2017, "Frequency Response Analysis of a Deep Neural Network by Means of Neurophysiological Methods", 2017 Autumn Meeting, the Acoustical Society of Japan. [bibtex]
• Koumura, T., Furukawa, S., Terashima, H., 2017, "Auditory Neurophysiology in a Deep Neural Network: Representation of Amplitude Modulation and Spectro-Temporal Modulation", The 27th Annual Conference, Japanese Neural Network Society. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2017, "Neurophysiological Analysis of a Deep Neural Network -Representation of Spectro-Temporal Modulation-", Auditory Research Meeting, Acoustical Society of Japan. [bibtex]
• Koumura, T., Terashima, H., Furukawa, S., 2017, "Sound texture transfer using a model of the auditory system", 31st Annual Conference, the Japanese Society for Artificial Intelligence. [bibtex]
• Koumura, T., Furukawa, S., 2017, "Effect of Reverberation and Its Presentation Context on Material Perception Based on Impact Sounds", 2017 Spring Meeting, Acoustical Society of Japan. [bibtex]
• Koumura, T., Furukawa, S., 2017, "Effect of Reverberation and Its Presentation Context on Material Perception Based on Impact Sounds", 40th Annual MidWinter Meeting, Association for Research in Otolaryngology. [bibtex]
• Koumura, T., Furukawa, S., 2016, "Material Perception Based on Impact Sounds -Effect of Reverberation and Its Presentation Context-", Auditory Research Meeting, Acoustical Society of Japan. [bibtex]
• Koumura, T., Okanoya, K., 2016, "Probabilistic syntax model of the birdsong a study based on model selection", 31st International Congress of Psychology. [bibtex]
• Koumura, T., Okanoya, K., 2016, "Probabilistic syntax model of the birdsong using a simple artificial neural network with feedback of the previous sequences", 31st International Congress of Psychology. [bibtex]
• Koumura, T., Okanoya, K., 2015, "Hour-scale changes in a song might reflect motivation and arousal in songbirds", Tokyo Lectures in Language Evolution. [bibtex] [poster]
• Koumura, T., Okanoya, K., 2014, "Practical classification method for birdsong with variable note sequences and its application to the whole day recordings", Neuroscience 2014, Society for Neuroscience. [bibtex] [poster]
• Fujii, M., Koumura, T., Urakubo, H., Ohashi, K., Kuroda, S., 2014, "Stochasticity in Ca2+ Increase in Spines Enables Robust and Sensitive Information Coding", The 52nd Annual Meeting of the Biophysical Society of Japan. [bibtex]
• Koumura, T., Hessler, N.A., Okanoya, K., 2014, "Context dependent variability in note sequences in Bengalese Finches", 26th International Ornithological Congress. [bibtex] [poster]
• Koumura, T., Seki, Y., Okanoya, K., 2014, "Auditory Responses in the Avian Song Nuclei to the Own Song with the Systematic Modification", The 14th Winter Workshop, Mechanism of Brain and Mind. [bibtex]
• Koumura, T., Seki, Y., Okanoya, K., 2013, "Auditory responses to the own song with the systematic modification in the avian song nuclei", Neuroscience 2013, Society for Neuroscience. [bibtex] [poster]
• Koumura, T., Seki, Y., Okanoya, K., 2012, "Within-Subject Comparison of the Activity of the Avian Song Nuclei", The 35th Annual Meeting of the Japan Neuroscience Society. [bibtex]
• Koumura, T., Seki, Y., Okanoya, K., 2012, "Within-subject comparison of the auditory responses in the Bengalese finch song nuclei", The 12th Winter Workshop, Mechanism of Brain and Mind. [bibtex]