京都大学 大学院工学研究科 電気工学専攻 生体医工学講座 生体機能工学分野 小林研究室

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研究発表

Papers and Proceedings

  • Hiroyuki Ueda, Yosuke Ito, Takenori Oida, Yo Taniguchi and Tetsuo Kobayashi:
    “Magnetic resonance imaging simulation with spin-lock preparations to detect tiny oscillatory magnetic fields”,
    Journal of Magnetic Resonance, Vol.324, 106910 (10 pages) (2021)
  • Tomoyuki Sogabe, Hiroyuki Ueda, Yosuke Ito, Yo Taniguchi and Tetsuo Kobayashi:
    “Dependence of stimulus-induced rotary saturation on the direction of target oscillating magnetic fields: A phantom and simulation study”,
    Journal of Magnetic Resonance, Vol.321, 106849 (7 pages) (2020)
  • Yoshikaze Masuda, Go Okada, Masahiro Takamura, Chiyo Shibasaki, Atsuo Yoshino, Satoshi Yokoyama, Naho Ichikawa, Shiho Okuhata, Tetsuo Kobayashi, Shigeo Yamawaki, Yasumasa Okamono:
    “Age-related white matter changes revealed by a whole-brain fiber-tracking method in bipolar disorder compared to major depressive disorder and healthy controls”,
    Psychiatry and Clinical Neurosciences, (2020)
  • Yoshikaze Masuda, Go Okada, Masahiro Takamura, Chiyo Shibasaki, Atsuo Yoshino, Satoshi Yokoyama, Naho Ichikawa, Shiho Okuhata, Tetsuo Kobayashi, Shigeo Yamawaki, Yasumasa Okamono:
    “White matter abnormalities and cognitive function in euthymic patients with bipolar disorder and major depressive disorder”,
    Brain and Behabior, Vol.10, No.12, e01868 (11 pages) (2020)
  • Hiroyuki Ueda, Yosuke Ito, Takenori Oida, Yo Taniguchi and Tetsuo Kobayashi:
    “Detection of tiny oscillatory magnetic fields using low-field MRI: A combined phantom and simulation study”,
    Journal of Magnetic Resonance, Vol.319, 106828 (8 pages) (2020)
  • Naoya Furuhashi, Shiho Okuhata and Tetsuo Kobayashi:
    “A Robust and Accurate Deep-Learning-based Method for the Segmentation of Subcortical Brain: Cross-dataset Evaluation of Generalization Performance”,
    Magnetic Resonance in Medical Sciences, Article ID mp.2019-0199, [Advance publication] (2020)
  • Yosuke Ito, Masahito Ueno and Tetsuo Kobayashi:
    “Neural magnetic field dependent fMRI toward direct functional connectivity measurements: A phantom study”,
    Scientific Reports, Vol. 10, 5463 (11 pages) (2020)
  • Shiho Okuhata, Hodaka Miki, Ryosuke Nakai and Tetsuo Kobayashi:
    “An atlas-based whole-brain fiber-tracking method with automatic setting of an optimal starting plane in all parcels”,
    Journal of Neuroscience & Biomedical Engineering, Vol.1, No.1, pp.28-36 (2019)
  • Takenori Oida, Kentaro Kato, Yosuke Ito and Tetsuo Kobayashi:
    “Remote detection of magnetic signals with a compact atomic magnetometer module towards human MRI-MPI hybrid systems”,
    International Journal on Magnetic Particle Imaging, Vol.5, No.1, 1906001 (7 pages) (2019)
  • Sho Ito, Yosuke Ito and Tetsuo Kobayashi:
    “Temperature characteristics of K-Rb hybrid optically pumped magnetometers with different density ratios”,
    Optics Express, Vol.27, No.6, pp.8037-8047 (2019)
  • Hiroyuki Ueda, Hiroaki Seki, Yosuke Ito, Takenori Oida, Yo Taniguchi and Tetsuo Kobayashi:
    “Dynamics of magnetization under stimulus-induced rotary saturation sequence”,
    Journal of Magnetic Resonance, Vol.295, pp.38-44 (2018)
  • Kazumasa Nishi, Yosuke Ito and Tetsuo Kobayashi:
    “High-sensitivity multi-channel probe beam detector towards MEG measurements of small animals with an optically pumped K-Rb hybrid magnetometer”,
    Optics Express, Vol.26, No.2, pp.1988-1996 (2018)
  • Ryosuke Shiraishi and Tetsuo Kobayashi:
    “An fMRI-EEG integrative method with model selection procedures for reconstruction of multiple cortical activities”,
    Neuroscience & Biomedical Engineering, Vol.5, pp.1-7 (2017)
  • Yuhki Mamishin, Yosuke Ito and Tetsuo Kobayashi:
    “A novel method to accomplish simultaneous multilocation magnetic field measurements based on pump beam modulation of an atomic magnetometer”,
    IEEE Trans. on Magnetics, Vol.53, No.5, pp.1-6 (2017)
  • Ingo Hilschenz, Hiroaki Natsukawa, Yosuke Ito, Takenori Oida, Tetsuya Yamamoto and Tetsuo Kobayashi:
    “Remote detected low-field MRI using an optically pumped atomic magnetometer combined with a liquid cooled pre-polarization coil”,
    Journal of Magnetic Resonance, Vol.274, pp.89-94 (2017)
  • Yosuke Ito, Daichi Sato, Keigo Kamada and Tetsuo Kobayashi:
    “Optimal densities of alkali metal atoms in an optically pumped K-Rb hybrid atomic magnetometer considering spatial distribution of spin polazization”,
    Optics Express, Vol.24, Iss.14, pp.15391-15402 (2016)
  • Shoji Hamada:
    “Electrostatic field analysis of anisotropic conductive media using voxel-based static method of moments with fast multipole method”,
    European Journal of Computational Mechanics, Vol.25, Nos.1/2, pp.54-70 (2016)
  • Takafumi Yano, Hiroaki Natsukawa and Tetsuo Kobayashi:
    “Improvements of a normalized integrative fMRI-MEG method by iterative model selection”,
    Neuroscience & Biomedical Engineering, Vol.4, No.2, pp.104-112 (2016)
  • Sunao Ichihara, Natsuhiko Mizutani, Yosuke Ito and Tetsuo Kobayashi:
    “Differential measurement using equalized response of optically pumped atomic magnetometers”,
    IEEE Trans. on Magnetics, Vol.52, No.8, 4002709 (9 pages) (2016)
  • Hiroaki Natsukawa, Tetsuo Kobayashi:
    “Cortical Activation Associated with Determination of Depth Order during Transparent Motion Perception: A Normalized Integrative fMRI-MEG Study”,
    Human Brain Mapping, Vol.36, No.10, pp.3922-3934 (2015)
  • Keigo Kamada, Yosuke Ito, Sunao Ichihara, Natsuhiko Mizutani and Tetsuo Kobayashi:
    “Noise reduction and signal-to-noise ratio improvement of atomic magnetometers with optical gradiometer configurations”,
    Optics Express, Vol.23, No.5, pp.6976-6987 (2015)
  • Keigo Kamada, Daichi Sato, Yosuke Ito, Hiroaki Natsukawa, Kazuhisa Okano, Natsuhiko Mizutani and Tetsuo Kobayashi:
    “Human magnetoencephalogram measurements using newly developed compact module of high-sensitivity atomic magnetometer”,
    Japanese Journal of Applied Physics, Vol.54, No.2, 026601 (5 pages) (2015)
  • Yuki Kaga, Takenori Oida and Tetsuo Kobayashi:
    “Hyperpolarized xenon imaging with the SWIFT approach in ultra-low field MRI: A simulation study”,
    Advanced Biomedical Engineering, Vol.4, pp.42-47 (2015)
  • Takenori Oida, Masahiro Tsuchida and Tetsuo Kobayashi:
    “Actively shielded bias field tuning coil for optically pumped atomic magnetometer toward ultra-low field MRI”,
    IEEE Sensors Journal, Vol.15, No.3, pp.1732-1737 (2015)
  • Mariko Tada, Tatsuya Nagai, Kenji Kirihara, Shinsuke Koike, Motomu Suga, Tsuyoshi Araki, Tetsuo Kobayashi and Kiyoto Kasai:
    “Differential alterations of auditory gamma oscillatory responses between pre-onset high-risk individuals and first-episode schizophrenia”,
    Cerebral Cortex, pp.1-9 (Advance Access published Dec.1, 2014)
  • Shoji Hamada:
    “Voxel-based analysis of electrostatic fields in virtual-human model Duke using indirect boundary element method with fast multipole method”,
    CMES: Computer Modeling in Engineering & Sciences, Vol. 102, No. 5, pp.407-424 (2014)
  • Yosuke Ito, Daichi Sato, Keigo Kamada, Tetsuo Kobayashi:
    “Measurements of magnetic field distributions with an optically pumped K-Rb hybrid atomic magnetometer”,
    IEEE Transactions on Magnetics, Vol.50, No.11, 4006903 (3 pages), (2014)
  • Natsuhiko Mizutani, Kazuhisa Okano, Kazuhiro Ban, Sunao Ichihara, Akira Terao and Tetsuo Kobayashi:
    “A plateau in the sensitivity of a compact optically pumped atomic magnetometer module”,
    AIP advances, Vol.4, 057132-1-7 (2014)
  • Hirokazu Kawaguchi and Tetsuo Kobayashi:
    “A method for precise extraction of EEG rhythmic activities using multivariate empirical mode docomposition and Hilbert transform”,
    Neuroscience & Biomedical Engineering, Vol.1, No.2, pp.153-162 (2014)
  • Shoji Hamada:
    “A voxel-based electrostatic field analysis for the virtual-human model Duke using the indirect boundary element method With a GPU-accelerated fast multipole method”,
    Boundary Elements and other Mesh Reduction Methods XXXVII, pp.135-147 (2014)
  • Shoji Hamada:
    “Voxel-based analysis of electrostatic fields in virtual-human model Duke using indirect boundary element method with fast multipole method”,
    Advances in Boundary Element & Meshless Techniques XV, pp.93-100 (2014)
  • Akira Terao, Kazuhiro Ban, Sunao Ichihara, Natsuhiko Mizutani and Tetsuo Kobayashi:
    “Highly responsive AC scalar atomic magnetometer with long relaxation time”,
    Physical Review A, Vol.88, 063413 (6 pages), (2013)
  • Shizue Nagahara, Masahito Ueno and Tetsuo Kobayashi:
    “Spin-lock imaging for neural magnetic-field-dependent fMRI: Simulations and phantom studies”,
    Advanced Biomedical Engineering, Vol.2, pp.63-71 (2013)
  • Shiho Okuhata, Takuya Kusanagi and Tetsuo Kobayashi:
    “Parietal EEG alpha suppression time of memory retrieval reflects memory load while the alpha power of memory maintenance is a composite of the visual process according to simultaneous and successive Sternberg memory tasks”,
    Neuroscience Letters, Vol.555, No.25, pp.79-84 (2013)
  • Hirokazu Kawaguchi, Takahiro Kume and Tetsuo Kobayashi:
    “A background EEG removal method combining PCA with multivariate empirical mode decomposition for event-related potential measurements”,
    IEEJ Transactions on Electrical and Electronic Engineering, Vol.8, No.S-1, S53-S60 (2013)
  • Kazuo Kato, Osamu Miura, Arimitsu Shikoda, Tomohiro Kuroki, Atsuo Ishikawa and Tetsuo Kobayashi:
    “Event-related potentials affected by spatial frequencies of background visual pattern during a cognitive task”,
    IEEJ Transactions on Electrical and Electronic Engineering, Vol.8, No.5, pp.483-488 (2013)
  • Shoji Hamada:
    “Performance comparison of three types of GPU-accelerated indirect boundary element method for voxel model analysis”,
    International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, Vol.26, No.4, pp.337-354 (2013)
  • Utako Yamamoto, Akifumi Hisada, Tetsuo Kobayashi, Shinsuke Kito and Yoshihiko Koga:
    “Analyses of disruption of white matter integrity in schizophrenia using DTI tracking with automatic region of interest construction”,
    Advanced Biomedical Engineering, Vol.2, pp.1-10 (2013)
  • Tetsuo Kobayashi, Koichiro Akamatsu and Hiroaki Natsukawa:
    “Cortical neural activities associated with binocular rivalry: An EEG-fMRI integrative study”
    Proceedings of 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'13), pp.5414-5417 (2013)
  • Yosuke Ito, Hiroyuki Ohnishi, Keigo Kamada and Tetsuo Kobayashi:
    “Rate-Equation Approach to Optimal Density Ratio of K-Rb Hybrid Cells for Optically Pumped Atomic Magnetometers”,
    Proceedings of 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'13), pp.3254-3257 (2013)
  • Takenori Oida and Tetsuo Kobayashi:
    “Free Induction Decay MR Signal Measurements toward Ultra-low Field MRI with an Optically Pumped Atomic Magnetometer”,
    Proceedings of 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'13), pp.2615-2618 (2013)
  • Shizue Nagahara and Tetsuo Kobayashi:
    “Bloch simulations towards direct detection of oscillating magnetic fields using mri with spin-lock sequence”,
    Proceedings of 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'13), pp.1061-1064 (2013)
  • Shizue Nagahara, Takenori Oida and Tetsuo Kobayashi:
    “An explanation of signal changes in DW-fMRI: Monte Carlo simulation study of restricted diffusion of water molecules using 3D and two-compartment cortical cell models”,
    IEICE TRANSACTIONS on Information and Systems, Vol.E96-D, No.6, pp.1387-1393 (2013)
  • Hiroaki Natsukawa and Tetsuo Kobayashi:
    “Dynamic cortical activations associated with saccade execution: A normalized integrative fMRI-MEG study”,
    Advanced Biomedical Engineering, Vol.1, pp.27-35 (2012)
  • Kazuhisa Okano, Akira Terao, Kazuhiro Ban, Sunao Ichihara, Natsuhiko Mizutani and Tetsuo Kobayashi:
    “Development of high-sensitivity portable optically pumped atomic magnetometer with orthogonal pump and probe laser beams”,
    Proceedings of IEEE Sensors 2012, pp.1-4 (2012)
  • Keigo Kamada, Yosuke Ito, Tetsuo Kobayashi:
    “Human MCG measurements with high-sensitivity potassium atomic magnetometer”,
    Physiological Measurement, Vol.33, pp.1063-1071 (2012)
  • Yosuke Ito, Hiroyuki Ohnishi, Keigo Kamada and Tetsuo Kobayashi:
    “Development of optically pumped atomic magnetometer using a K-Rb hybrid cell and its application to magnetocardiography”,
    AIP advances, Vol.2, 032127-1-5 (2012)
  • Takenori Oida, Masahiro Tshuchida and Tetsuo Kobayashi:
    “Direct detection of magnetic resonance signals in ultra-low fiels MRI using a optically pumped atomic magnetometer”,
    IEEE Trans. Magnetics, Vol.48, No.11, pp.2877-2880 (2012)
  • Natsuhiko Mizutani and Tetsuo Kobayashi:
    “Magnetic field vector detection in frequency domain with an optical pumping atomic magnetometer with two probe beams”,
    IEEE Trans. Magnetics, Vol.48, No.11, pp.4096-4099, (2012)
  • Yosuke Ito, Hiroyuki Ohnishi, Keigo Kamada and Tetsuo Kobayashi:
    “Effect of spatial homogeneity of spin polarization on magnetic field response of an optically pumped atomic magnetometer using a hybrid cell of K and Rb atoms”,
    IEEE Trans. Magnetics, Vol.48, No.11, pp.3715-3718 (2012)
  • Teruyoshi Sasayama, Shoji Hamada and Tetsuo Kobayashi:
    “Application of prewhitening beamformer with linear constraints for correlated EEG signal source estimation”,
    Chapter 25, in Biomedical Engineering and Cognitive Neuroscience for Healthcare: Interdisciplinary Applications, (ed.) J.Wu (IGI Global, USA), pp.243-254 (2012)
  • Shoji Hamada, Keigo Masutani, Tetsuo Kobayashi:
    “Time Harmonic Electromagnetic Field Analysis in Multisphere Model by Gumerov's Method of Two Scalar Potentials”,
    Electrical Engineernig in Japan, Vol.178, No.2, pp.1-10 (2012)
  • Takenori Oida, Yosuke Ito, Keigo Kamada, and Tetsuo Kobayashi:
    “Detecting rotating magnetic fields using optically pumped atomic magnetometers for measuring ultra-low-field magnetic resonance signals”,
    Journal of Magnetic Resonance, vol.217, 6-9 (2012)
  • Tatsuya Yamashita, Takenori Oida, Shoji Hamada, and Tetsuo Kobayashi:
    “Thermal noise calculation method for precise estimation of the signal-to-noise ratio of ultra-low-field MRI with an atomic magnetometer”,
    Journal of Magnetic Resonance, vol.215, 100-108 (2012)
  • Tetsuo Kobayashi:
    “Toward ultra-low field multimodal MRI with atomic magnetomer”,
    Proceedings of 2012 IEEE/ICME International Conference on Complex Medical Engineering, pp. 1- 4(2012)
  • Shiho Okuhata, Tsuyoshi Kusanagi, Hirokazu Kawaguchi and Tetsuo Kobayashi:
    “Sequential memory scanning during Sternberg memory task regardless of the differerence presentation style”,
    Proceedings of 2012 IEEE/ICME International Conference on Complex Medical Engineering, pp. 86-89 (2012)
  • Utako Yamamoto, Yoshihide Sakagami, Takenori Oida and Tetsuo Kobayashi:
    “MR diffusion tensor tractography by searching minimum curvature deviation in the vicinity of fiber crossing area”,
    Proceedings of 2012 IEEE/ICME International Conference on Complex Medical Engineering, pp. 588-592 (2012)
  • Hirokazu Kawaguchi and Tetsuo Kobayashi:
    “A locally removal method of eye-blink artifacts forcusing on reduction of EEG information loss”,
    Proceedings of 2012 IEEE/ICME International Conference on Complex Medical Engineering, pp. 615-618 (2012)
  • Shizue Nagahara, Takenori Oida and Tetsuo Kobayashi:
    “Simulation studies on appropriate imaging parameters for DW-fMRI using 3D and 2-compartment models”,
    Proceedings of 2012 IEEE/ICME International Conference on Complex Medical Engineering, pp. 619-622 (2012)
  • Hiroaki Natsukawa and Tetsuo Kobayashi:
    “Functional MRI and magnetoencephalographic studies on cortical activities during visually guided saccades”,
    Proceedings of 2012 IEEE/ICME International Conference on Complex Medical Engineering, pp. 643-646 (2012)
  • Shoji Hamada:
    “GPU-accelerated indirect boundary element method for voxel model analyses with fast multipole method”,
    Computer Physics Communications, Vol.182, issue 5, pp.1162-1168 (2011)
  • Keigo Masutani, Shoji Hamada, Tetsuo Kobayashi
    “Formulae for second-and third-order electric field induced by uniform ELF magnetic field in eccentric two-sphere conductor configuration”,
    Electronics and Communications in Japan, Vol.94, No.3, pp.20-32 (2011)
  • Teruyoshi Sasayama and Tetsuo Kobayashi:  “Movement-imagery brain-computer interface: EEG classification of beta rhythm synchronization based on cumulative distribution function”,  IEICE Transaction on Information and Systems, Vol.E94-D, No.12, pp.2479-2486 (2011)
  • Shuji Taue, Yasuyuki Sugihara, Tetsuo Kobayashi, Kiyoshi Ishikawa and Keigo Kamada:
    “Magnetic field mapping and biaxial vetor operation for biomagnetic appications using high-sensitivity optically pumped atomic magnetometers”,
    Japanese Journal of Applied Physics, vol.50, p.116604 (2011)
  • Yosuke Ito, Hiroyuki Ohnishi, Keigo Kamada, Tetsuo Kobayashi:
    Sensitivity improvement of spin-exchange relaxation free atomic magnetometers by hybrid optical pumping of potassium and rubidium”,
    IEEE Transactions on Magnetics, Vol.47, No.10, pp.3550-3553 (2011)
  • Takenori Oida, Yuta Kawamura and Tetsuo Kobayashi:
    “Optimization of flux transformer for ultra-low field MRI systems with optically pumped atomic magnetometers”,
    IEEE Transactions on Magnetics, Vol.47, No.10, pp.3074-3077 (2011)
  • Keigo Kamada, Shuji Taue, Tetsuo Kobayashi:
    “Optimization of Bandwidth and Signal Responses of Optically Pumped Atomic Magnetometers for Biomagnetic Applications”,
    Japanese Journal of Applied Physics, Vol.50, 056602-1-7 (2011)
  • Takenori Oida, Shizue Nagahara and Tetsuo Kobayashi:
    “Acquisition parameter settings in diffusion tensor imaging for emphasizing frectional anisotropy”,
    Magnetic Resonance in Medical Sciences, Vol.10, No.2, pp.121-128 (2011)
  • Utako Yamamoto, Yoshiaki Kono, Tetsuo Kobayashi, Shinsuke Kito and Yoshihiko Koga:
    “Study on disruption of cerebral white matter integrity in schizophrenia with MR-DTI tractgraphy”,
    IFMBE Proceedings, (Proceedings of 5th European Conference of the Internatiopnal Federation for Medical and Biological Engineering), Vol.37, (DVD), pp.618-621 (2011)
  • Hiroaki Natsukawa and Tetsuo Kobayashi:
    “Cortical activities during transparent motion perception: An fMRI-MEG integrative study”,
    IFMBE Proceedings, (Proceedings of 5th European Conference of the Internatiopnal Federation for Medical and Biological Engineering), Vol.37, (DVD), pp.1194-1197 (2011)
  • Tetsuo Kobayashi:
    “Binocular Rivalry: A key phenomenon to understand temporal dynamics of conscious perception”,
    Proceedings of 2011 International Symposium on Nonlinear Theory and its Applications (DVD), Vol.1, pp.80-83 (2011)
  • Teruyoshi Sasayama, Shoji Hamada and Tetsuo Kobayashi:
    “Application of the linearly-constrained prewhitening beamformer to reconstruction of highly correlated EEG singal sources”,
    Proceedings of 2011 IEEE/ICME International Conference on Complex Medical Engineering, pp.593-598 (2011)
  • Shuji Taue, Yasuyuki Sugihara, Tetsuo Kobayashi Sunao Ichihara, Kiyoshi Ishikawa and Natsuhiko Mizutani:
    “Development of a highly sensitive optically pumped atomic magnetometer for biomagnetic field measurements: A phantom study”,
    IEEE Transactions on Magnetics, Vol.46 No.9, pp.3635-3638 (2010)
  • Akifumi Ikeda, Shinsuke Kito, Jiuk Jung, Tetsuo Kobayashi and Yoshihiko Koga:
    “Decreased cross-sectional area of anterior tharamic peduncle in bipolar disorder: A fiber trackimg study”, Journal of International Society of Life Information Science (ISLIS), Vol.28, No.1, pp.14-22 (2010)
  • Teruyoshi Sasayama, Tomoaki Iida, Takenori Oida, Shoji Hamada and Tetsuo Kobayashi,:
    “Constraction of human head voxel models from MR images for EEG analysis based on EM algorithm”,
    Proceedings of 2010 IEEE/ICME International Conference on Complex Medical Engineering (DVD), pp.100-105 (2010)
  • Akimasa Hirata, Kenichi Yamazaki, Shoji Hamada, Yoshitsugu Kamimura, Hiroo Tarao, Kanako Wake, Yukihisa Suzuki, Noriyuki Hayashi, and Osamu Fujiwara:
    “Intercomparison of induced fields in Japanese male model for ELF magnetic field exposures: effect of different computational methods and codes”,
    Radiation Protection Dosimetry, Vol. 138, No. 3, pp. 237-44 (2010)
  • Kenichi Yamazaki, Akimasa Hirata, Shoji Hamada, Yoshitsugu Kamimura, Hiroo Tarao, Kanako Wake, Yukihisa Suzuki, Noriyuki Hayashi, Osamu Fujiwara:
    “Inter comparison of induced fields in japanese male model TARO due to magnetic field exposures”,
    EMC'09/Kyoto, Kyoto, Japan, 21S3-1, pp.181-184 (2009)
  • Shinsuke Kito, Jiuk Jung, Tetsuo Kobayashi and Yoshihiko Koga:
    “Fiber tracking of white matter integrity connecting the mediodorsal nucleus of the thalamus and the prefrontal cortex in schizophrenia: A diffusion tensor imaging study”,
    European Psychiatry, Vol.24, pp.269-274 (2009)
  • Mitsuhiro Kitano, Shoji Hamada and Tetsuo Kobayashi:
    “Analytical formula of induced electric fields in a spherical conductor by an ELF field source”,
    Electrical Engineering in Japan, Vol.166, No.3, pp.8-17 (2009)
  • Jiuk Jung and Tetsuo Kobayashi:
    “Event-related fields in a common fate grouping task”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.7-10 (2009)
  • Hiroaki Natsukawa, Jiuk Jung and Tetsuo Kobayashi:
    “Brain activations associated with determination of depth order in transparent motion perception: An MEG study”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.15-18 (2009)
  • Kazuo Kato, S. Suzuki, S. Shidara, K. Sugawara, A. Ishikawa and Tetsuo Kobayashi:
    “Event-retated potentials related to working memory in the presence of ambient noises”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.19-22 (2009)
  • Teruyoshi Sasayama, Jiuk Jung and Tetsuo Kobayashi:
    “Classifiers of EEG beta rhythms between right and left wrist-bending hand movements and teir imageries”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.167-170 (2009)
  • Hirokazu Kawaguchi, Teruyoshi Sasayama, Jiuk Jung, Takenori Oida and Tetsuo Kobayashi:
    “Spatial filtering of steady-state samatosensory evoked potentials toward the development of brain-machine interface”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.175-178 (2009)
  • Shuji Taue, Yasuyuki Sugihara, Tetsuo Kobayashi, Sunao Ichihara, Kiyoshi Ishikawa, and Natsuhiko Mizutani:
    “Phantom measurements of magnetic field distributions by a newly developed optically-pumped atomic magnetometer: A basic study toward biomagnetic applications”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.181-184 (2009)
  • Takenori Oida, Shizue Nagahara and Tetsuo Kobayashi:
    “Aquisition parameters in MR diffusion tensor imaging for clarifying the direction of nerve fibers”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.209-212 (2009)
  • Shizue Nagahara, Takenori Oida and Tetsuo Kobayashi:
    “Appropriate MPG parameters for diffusion weighted functional MRI”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.213-216 (2009)
  • Utako Yamamoto, Tetsuo Kobayashi, Shinsuke Kito and Yoshihiko Koga:
    “A MR diffusion tensor imaging study on disruption of cerebral white matter integrity in schizophrenia: Fiber tracking of the superior longitudinal fasciculus”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.219-222 (2009)
  • Kenji Kirihara, T. Arai, Y. Kawakubo, T. Onitsuka, Tetsuo Kobayashi, and Kiyoto Kasai:
    “Gamma band activity during gaze perception in schizophrenia”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.223-226 (2009)
  • Shoji Hamada:
    “GPU accelerated lead field calculation by indirect boundary element method for voxel models”,
    Brain Topography and Multimodal Imaging, (eds.) Kobayashi, T. et al, (Kyoto University Press, Kyoto, Japan), pp.187-190 (2009)
  • Kazuo Kato, O. Miura, Arimitsu Shikoda, K. Sugawara, Atsuko Ishikawa and Tetsuo Kobayashi:
    “Effect of visual image features on neural activities: An fMRI study”,
    Proceedings of World Congress on Medical Physics and Biomedical Engineering 2009, pp.312-314 (2009)
  • Tetsuo Kobayashi:
    “An integrative fMRI-MEG method analyzing dynamic activations of multiple cortical areas”,
    Proceedings of the 2009 International Symposium on Early Detection and Rehabilitation Technology of Dementia (DVD), pp.40-43 (2009)
  • Osamu Yamamoto, Hirotaka Hayashi, Toshihiko Wadahama, Daisuke Takeda, Shoji Hamada, Yasuharu Ohsawa:
    “Charging characteristics of an insulating hollow cylinder in vacuum”,
    IEEJ Trans. FM, Vol. 128, No. 10, pp. 606-610 (2008)
  • Shoji Hamada and Tetsuo Kobayashi:
    “Analysis of electric field induced by ELF magnetic field utilizing fast-multipole surface charge simulation method for voxel data”,
    Electrical Engineering in Japan, Vol.165, No.4, pp.1-10 (2008)
  • Shoji Hamada, Mitsuhiro Kitano and Tetsuo Kobayashi:
    “Application of the equivalent multipole moment method with polar translations to forward calculation of neuromagnetic fields”,
    Electronics and Communication in Japan, Vol.91, No.4, pp.34-44 (2008)
  • Akiyoshi Tatematsu, Shoji Hamada, and Tadasu Takuma:
    “Estimation of charge distribution on a bulky solid dielectric using regularization technique”,
    Electrical Engineering in Japan, Vol. 163, No. 2, pp. 1-13 (2008)
  • Shuji Taue, Sunao Ichihara, Yasuyuki Sugihara, Kiyoshi Ishikawa, Hideyuki Sugioka, Natsuhiko Mizutani, Shujie Liu, Yoshikazu Hirai, Osamu Tabata and Tetsuo Kobayashi:
    “Measurement of Biomagnetic Fields in Small Animals by use of an Optical Pumping Atomic Magnetometer”,
    Biomagnetism: Interdisciplinary Research and Exploration, (eds.) Kakigi, R. et al. (Hokkaido University Press, Sapporo, Japan), pp.9-11 (2008)
  • Tomoaki Iida, Teruyoshi Sasayama, Takenori Oida, Masaki Ino and Tetsuo Kobayashi,:
    “Brain activation during exacution and imagery of simple wrist-bending movement: An fMRI study”,
    Proceedings of The 2nd International Symposium on Complex Medical Engineering, pp.41-44 (2008)
  • Hiroaki Natsukawa, Tetsuo Kobayashi, Takenori Oida and Jiuk Jung:
    “Optokinetic eye movements elicited by transparent drifting random dot patterns”,
    Proceedings of The 2nd International Symposium on Complex Medical Engineering, pp.87-90 (2008)
  • Takenori Oida, Daiki Orio and Tetsuo Kobayashi:
    “Optimization of imaging parameters in MR-DTI for maximizing frectional anisotropy”,
    Proceedings of The 2nd International Symposium on Complex Medical Engineering, pp.91-94 (2008)
  • Teruyoshi Sasayama, Tomoaki Iida, Jiuk Jung and Tetsuo Kobayashi,:
    “Descrimination between right and left hand movements and/or their imageries based on EEG fast oscillatory activities”,
    Proceedings of The 2nd International Symposium on Complex Medical Engineering, pp.109-112 (2008)
  • Tetsuo Kobayashi and Takenori Oida:
    “An MR-DTI based fiber tracking method toword the multimodal study on cognitive brain functions”,
    Proceedings of the 30th Annual International Conference of the IEEE Eingineering in Medicine and Biology Society, pp.5498-5501(2008)
  • Yusuke Okada, Jiuk Jung and Tetsuo Kobayashi:
    “An automatic identification and removal method for eyeblink artifacts in event-related magnetoencephalographic measurements”,
    Physiological Measurements, Vol. 28, pp.1523-1532 (2007)
  • Tetsuo Kobayashi, Yasuyuki Innami, Shumpei Ohashi, Yusuke Okada, Jiuk Jung and Shoji Hamada:
    “fMRI-MEG integrative neuroimaging in an apparent visual motion perception task”,
    Proceedings of IEEE/ICME International Conference on Complex Medical Engineering, pp.1-4 (2007)
  • Shoji Hamada, Mitsuhiro Kitano, Tetsuo Kobayashi:
    “Numerical calculation of neuromagnetic fields by fast-multipole surface-charge-simulation method for voxel models”,
    Proceedings of APCOM'07 in conjunction with EPMESC XI, MS6-3-1(MS6-3-1.pdf, 10pages), (2007)
  • Shoji Hamada and Akiyoshi Tatematsu:
    “Solving regularized least squares with qualitatively controlled adaptive cross-approximated matrices”,
    Electrical Engineering in Japan, Vol. 159, No. 3, pp. 10-18 (2007)
  • Osamu Yamamoto, Takehiro Sato, Hirotaka Hayashi, Shoji Hamada, Tetsuo Kobayashi, Hiroshi Omura and Hiroshi Morii:
    “Effects of roughening insulator surface on charging and flashover characteristics of a long glass insurator”,
    IEEJ Trans. EIS, Vol.126, No.8, pp.769-774 (2006)
  • Shoji Hamada, Osamu Yamamoto and Tetsuo Kobayashi:
    “Analysis of electric field induced by ELF magnetic field utilizing generalized equivalent multiple-moment method”,
    Electrical Engineering in Japan, Vol.156, No.2, pp.1-14 (2006)
  • Jiuk Jung and Tetsuo Kobayashi:
    “The analyses of brain functions based on wavelet coherence of EEG gamma-band activities: An application to a perceptual grouping task”,
    Proceedings of World Congress on Medical Physics and Biomedical Engineering 2006, pp.2613-2616 (2006)
  • Shoji Hamada and Tetsuo Kobayashi:
    “Analysis of current density distribution induced by ELF magnetic fields utilizing fast-multipole surface-charge-simulation method for voxel data”,
    Proceedings of The Progress in Electromagnetics Research Symposium, pp. 483-487 (CD-ROM), (2006)
  • Osamu Yamamoto, Hirotaka, Hayashi, Takehiro Satoh, Shoji Hamada, Tetsuo Kobayashi,
    Hiroshi Omura, Hirosi Morii:
    “Flashover and charging characteristics of a long solid insulator exposed to ac voltage in vacuum”,
    Proceedings of The XXIInd International Symposium on Discharges and Electrical Insulation in Vacuum, Vol.1, pp. 109-112 (2006)
  • Jiuk Jung, Shohko Tokita and Tetsuo Kobayashi:
    “Brain activity in a similarity grouping task: A functional MRI study”,
    Proceedings of The First International Conference on Complex Medical Engineering, pp.843-846 (2005)
  • Jiuk Jung and Tetsuo Kobayashi:
    “Induced gamma-band activity in a similarity grouping task”,
    International Congress Series, vol.1270, pp.225-228 (2004)
    :Frontiers in Human Brain Topography., (eds.) M. Nakagawa, K. Hirata, Y. Koga and K. Nagata
    (Elsevier Science B.V., 2004)
  • Yoshimitsu Okita, Tetsuo Kobayashi, Noboru Ohki, Isao Takahashi, Teruhisa, Kazui, Motohiko Kimura and Toshifumi Sugiura:
    “Event-related potentials in a memory scan task concerned with movement directions”
    International Congress Series, vol.1270, pp.266-269 (2004)
    :Frontiers in Human Brain Topography, (eds.) M. Nakagawa, K. Hirata, Y. Koga and K. Nagata
    (Elsevier Science B.V., 2004)
  • Tetsuo Kobayashi:
    “Neocortical dynamics detected by steady-state multisensory evoked neuromagnetic fields”,
    Proceedings of 2004 International Symposium on Nonlinear Theory and its Applications, Vol.1, pp.299-302 (2004)
  • Osamu Yamamoto, Shoji Hamada, Tetsuo Kobayashi, Hiroshi Omura:
    “Comparison of insulator charging phenomena in vacuum subjected to AC and DC voltages”,
    Proceedings of 12th Asian Conference on Electrical Discharge, pp.400-403 (2004)