Papers and Proceedings
- Yosuke Ito, Tatsuya Goto and Takuma Hori:
“Simulation of scalar-mode optically pumped magnetometers to search optimal operating conditions”,
IEICE Transactions on Electronics, Vol.E107-C, No.6, pp.164-170, 2023SEI0002 (7 pages) (2023)
- Yosuke Ito, Hiroyuki Ueda, Takenori Oida, Takahiro Moriya, Akinori Saito and Motohiro Suyama:
“Simplified Shielded MEG-MRI Multimodal System with Scalar-mode Optically Pumped Magnetometers as MEG Sensors”,
arXiv, arXiv:2401.13287 [physics.med-ph] (2024)
- Hiroyuki Ueda and Yosuke Ito:
“Dynamics of magnetization under the spin-lock pulse: general solution of the Bloch equation”,
IEEE Transactions on Magnetics, Vol.59, No.11, 5101005 (5 pages) (2023)
- Kazuki Namita, Yosuke Ito and Tetsuo Kobayashi:
“Vector measurement of pico tesla magnetic fields using an optically pumped magnetometer by varying pump beam direction”,
Japanese Journal of Applied Physics, Vol.60, No.7, 076507 (7 pages) (2021)
- 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, Vol.20, No.2, pp.166-174 (2021)
- 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)
- 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)