Tetsuo Kobayashi

Last updated: Jan 19, 2019 at 18:04

Name	Tetsuo Kobayashi
URL	http://bfe.kuee.kyoto-u.ac.jp/en/index.html
Affiliation	Kyoto University
Section	Graduate School of Engineering　Deprtment of Electrical Engineering
Job title	Professor
Degree	Ph.D.

Profile

Tetsuo Kobayashi was born in Hokkaido, Japan.

He is currently a professor of biological function engineering at the department of electrical engineering, Kyoto University, Kyoto, Japan.

Research Interests

neuroscience(435) , atomic magnetometer(2) , neural engineering(3) , EEG(80) , ultra-low field MRI(2) , Neuroimaging(48) , Cognitive Neuroscience(71) , Atomic Physics(21) , fMRI(114) , MEG(38) , Magnetic Resonance(44)

Research Areas

Informatics / Perceptual information processing /
Brain sciences / Brain biometrics /
Biomedical engineering / Biomedical engineering/Biological material science /

Awards & Honors

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Aug 2018

James Zimmerman Prize, International Federation for Medical and Biological Engineering(IFMBE) and 21st International Conference of Biomagnetism（Biomag2018）

Aug 2016

"For contribution to Developments of innovative methodologies for noninvasive imaging”, Fellow, Instutute of Complex Medical Engineering (ICME)

2011

Sensitivity improvement of spin-exchange relaxation free atomic magnetometers by hybrid optical pumping of potassium and rubidium, Best Poster Award, IEEE International Magnetics Conference 2011

Published Papers

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Dynamics of magnetization under stimulus-induced rotary saturation sequence.

Ueda H, Seki H, Ito Y, Oida T, Taniguchi Y, Kobayashi T

Journal of Magnetic Resonance 295 38-44 Oct 2018 [Refereed]

SQUID&光ポンピング原子磁気センサ

小林哲生

日本磁気学会誌「まぐね」 13(3) 135‐143 Jun 2018

High-sensitivity multi-channel probe beam detector towards MEG measurements of small animals with an optically pumped K-Rb hybrid magnetometer.

Nishi K, Ito Y, Kobayashi T

Optics Express 26(2) 1988-1996 Jan 2018 [Refereed]

A Novel Method to Accomplish Simultaneous Multilocation Magnetic Field Measurements Based on Pump-Beam Modulation of an Atomic Magnetometer

Mamishin Yuki, Ito Yosuke, Kobayashi Tetsuo

IEEE Transaction on Magnetics 53(5) May 2017 [Refereed]

Remote detected Low-Field MRI using an optically pumped atomic magnetometer combined with a liquid cooled pre-polarization coil.

Hilschenz I, Ito Y, Natsukawa H, Oida T, Yamamoto T, Kobayashi T

Journal of Magnetic Resonance 274 89-94 Jan 2017 [Refereed]

Optimal densities of alkali metal atoms in an optically pumped K-Rb hybrid atomic magnetometer considering the spatial distribution of spin polarization.

Ito Y, Sato D, Kamada K, Kobayashi T

Optics Express 24(14) 15391-15402 Jul 2016 [Refereed]

Differential measurement using equalized response of optically pumped atomic magnetometer

Ichihara S, Mizutani N, Ito Y, Kobayashi T

IEEE Trans. on Magnetics 52(8) 4002709 Aug 2016 [Refereed]

Improvements of a normalized integrative fMRI-MEG method by iterative model selection

T Yano, H Natsukawa, T Kobayashi

Neuroscience and Biomedical Engineering 4(2) 104-112 Jun 2016 [Refereed]

生体磁気計測に向けた超高感度磁気センサの最新の開発動向と展望―6 光ポンピング原子磁気センサ

KOBAYASHI TETSUO

電気学会誌 136(1) 26-29 Jan 2016 [Invited]

生体磁気計測に向けた超高感度磁気センサの最新の開発動向と展望―1 生体磁気計測に向けて

KOBAYASHI TETSUO

電気学会誌 136(1) 8-9 Jan 2016 [Invited]

Cortical activation associated with determination of depth order during transparent motion perception: A normalized integrative fMRI-MEG study.

Natsukawa H, Kobayashi T

Human Brain Mapping Jul 2015 [Refereed]

Hyperpolarized xenon imaging with SWIFT approach in ultra-low field MRI: A simulation study”

Tetsuo Kobayashi

Advanced Biomedical Engineering 4 42-47 May 2015 [Refereed]

超高感度な光学的磁気センサを用いた新たなニューロイメージングへ向けて

KOBAYASHI TETSUO

Vision 27(2) 73-79 Apr 2015 [Invited]

Actively shielded bias field tuning coil for optically pumped atomic magnetometer toward ultralow field MRI

Takenori Oida, Masahiro Tsuchida, Hiroto Takata, Tetsuo Kobayashi

IEEE Sensors Journal 15 1732-1737 Mar 2015 [Refereed]

Noise reduction and signal-to-noise ratio improvement of atomic magnetometers with optical gradiometer configurations

K Kamada, Y Ito, S Ichihra, N Mizutani and T Kobayashi

Optics Express 23(5) 6976-6987 Mar 2015 [Refereed]

Human magnetoencephalogram measurements using newly developed compact module of high-sensitivity atomic magnetometer

Keigo Kamada, Daichi Sato, Yosuke Ito, Hiroaki Natsukawa, Kazuhisa Okano, Natsuhiko Mizutani, Tetsuo Kobayashi

Japanese Journal of Applied Physics 54 Jan 2015 [Refereed]

Differential Alterations of Auditory Gamma Oscillatory Responses Between Pre-onset High-risk Individuals and First-episode Schizophrenia.

Tada M, Nagai T, Kirihara K, Koike S, Suga M, Araki T, Kobayashi T, Kasai K

Cerebral Cortex Dec 2014 [Refereed]

Measurements of magnetic field distributions with an optically pumped K-Rb hybrid atomic magnetometer

Yosuke Ito, Daichi Sato, Keigo Kamada, Keigo Kamada, Tetsuo Kobayashi

IEEE Transactions on Magnetics 50 Nov 2014 [Refereed]

A plateau in the sensitivity of a compact optically pumped atomic magnetometer

N Mizutani, K Okano, K Ban, S Ichihara, A Terao, T Kobayashi

AIP Advances 4 057132 Jan 2014 [Refereed]

Highly responsive AC scalar atomic magnetometer with long relaxation time

Akira Terao, K. Ban, S. Ichihara, N. Mizutani and Tetsuo Kobayashi

Physical Review A 88 063413-1-063413-6 Dec 2013 [Refereed]

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

S. Nagahara; T. Oida; T. Kobayashi

IEICE Transactions on Information and Systems E96D(6) 1387-1393 Jun 2013 [Refereed]

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.

Shizue Nagahara,Takenori Oida,Tetsuo Kobayashi

IEICE Transactions 96-D(6) 1387-1393 2013 [Refereed]

Spin-lock imaging for direct detection of oscillating magnetic fields with MRI: Simulations and phantom studies

S Nagahara, M Ueno and T Kobayashi

Advanced Biomedical Engineering 2 63-71 2013 [Refereed]

Dynamic cortical activations associated with saccade execution: A normalized integrative fMRI-MEG study

Hiroaki Natsukawa and Tetsuo Kobayashi

Advanced Biomedical Engineering 1 27-35 Feb 2013 [Refereed]

K. Kato; O. Miura; A. Shikoda; T. Kuroki; A. Ishikawa; T. Kobayashi

IEEJ Transactions on Electrical and Electronic Engineering 8(5) 483-488 2013 [Refereed]

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

S. Okuhata; T. Kusanagi; T. Kobayashi

Neuroscience Letters 555 79-84 2013 [Refereed]

A background EEG removal method combining PCA with multivariate empirical mode decomposition for event-related potential measurements

H. Kawaguchi; T. Kume; T. Kobayashi

IEEJ Transactions on Electrical and Electronic Engineering 8(SUPL.1) S53-S60 2013 [Refereed]

Direct detection of magnetic resonance signals in ultra-low field MRI using optically pumped atomic magnetometer with ferrite shields: Magnetic field analysis and simulation studies

T. Oida; M. Tsuchida; T. Kobayashi

IEEE Transactions on Magnetics 48(11) 2877-2880 Nov 2012 [Refereed]

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

Y. Ito; H. Ohnishi; K. Kamada; T. Kobayashi

IEEE Transactions on Magnetics 48(11) 3715-3718 Nov 2012 [Refereed]

Magnetic field vector detection in frequency domain with an optically pumped atomic magnetometer

N. Mizutani; T. Kobayashi

IEEE Transactions on Magnetics 48(11) 4096-4099 Nov 2012 [Refereed]

Development of an optically pumped atomic magnetometer using a K-Rb hybrid cell and its application to magnetocardiography

Y. Ito; H. Ohnishi; K. Kamada; T. Kobayashi

AIP Advances 2(3) Sep 2012 [Refereed]

Human MCG measurements with a high-sensitivity potassium atomic magnetometer

K. Kamada; Y. Ito; T. Kobayashi

Physiological Measurement 33(6) 1063-1071 Jun 2012 [Refereed]

Direct detection of magnetic resonance signals in ultra-low field MRI using a optically pumped atomic magnetometer

Takenori Oida, Masahiro Tshuchida and Tetsuo Kobayashi

48(11) 2877-2880 Apr 2012 [Refereed]

Detecting rotating magnetic fields using optically pumped atomic magnetometers for measuring ultra-low-field magnetic resonance signals

T. Oida; Y. Ito; K. Kamada; T. Kobayashi

Journal of Magnetic Resonance 217 6-9 Apr 2012 [Refereed]

Thermal noise calculation method for precise estimation of the signal-to-noise ratio of ultra-low-field MRI with an atomic magnetometer

T. Yamashita; T. Oida; S. Hamada; T. Kobayashi

Journal of Magnetic Resonance 215 100-108 Feb 2012 [Refereed]

Analyses of magnetic field distributions for the measurement of magnetic resonance signals using optically pumped atomic magnetometers

M. Tsuchida; T. Oida; T. Kobayashi

IEEJ Transactions on Fundamentals and Materials 132(3) 220-226 2012 [Refereed]

Classification of Right/Left Wrist Bending Movements using an EEG Spatial Filter with Linear Constraints of fMRI Activated Regions

SASAYAMA TERUYOSHI, SASAYAMA TERUYOSHI, KOBAYASHI TETSUO

生体医工学 49(6) 983-988 Dec 2011 [Refereed]

Movement-imagery brain-computer interface: EEG classification of beta rhythm synchronization based on cumulative distribution function

T. Sasayama; T. Kobayashi

IEICE Transactions on Information and Systems E94D(12) 2479-2486 Dec 2011 [Refereed]

Magnetic field mapping and biaxial vector operation for biomagnetic applications using high-sensitivity optically pumped atomic magnetometers

S. Taue; Y. Sugihara; T. Kobayashi; K. Ishikawa; K. Kamada

Japanese Journal of Applied Physics 50(11) Nov 2011 [Refereed]

Optimization of flux transformer for optically pumped atomic magnetometer in ultra-low field MRI systems

T. Oida; Y. Kawamura; T. Kobayashi

IEEE Transactions on Magnetics 47(10) 3074-3077 Oct 2011 [Refereed]

Sensitivity improvement of spin-exchange relaxation free atomic magnetometers by hybrid optical pumping of potassium and rubidium

Y. Ito; H. Ohnishi; K. Kamada; T. Kobayashi

IEEE Transactions on Magnetics 47(10) 3550-3553 Oct 2011 [Refereed]

Localized removal method for eye-blink-related artifacts in electroencephalogram measurements

Transactions of Japanese Society for Medical and Biological Engineering 49(4) 551-557 Aug 2011 [Refereed]

Optimization of bandwidth and signal responses of optically pumped atomic magnetometers for biomagnetic applications

K. Kamada; S. Taue; T. Kobayashi

Japanese Journal of Applied Physics 50(5) May 2011 [Refereed]

Pump laser power dependent bandwidth and sensitivity of optically pumped atomic magnetometers

Keigo Kamada, Shuji Taue, Tetsuo Kobayashi

Japanese Journal of Applied Physics 50 055602-1-7 Apr 2011 [Refereed]

Ultrahigh sensitivity optically pumped atomic magnetometer

KOBAYASHI Tetsuo

應用物理 80(3) 211-215 Mar 2011 [Invited]

Cortical Activations and Eye Movements Elicited by Transparent Motion Stimuli during Depth-Based Attention: An MEG Study

NATSUKAWA Hiroaki, JUNG Jiuk, KOBAYASHI Tetsuo

The IEICE transactions on information and systems (Japanese edetion) 94(3) 604-613 Mar 2011 [Refereed]

異なる方向にコヒーレントにドリフト運動する二つのランダムドットパターンによって,奥と手前の二つの透明な面が知覚される現象は運動透明視として知られている.本研究は,奥行注意下で運動透明刺激を呈示した際の脳磁界を全頭型MEG装置により計測し,運動透明視の奥行順序が決定される過程に関与する皮質活動を,5名の被験者を対象に検討した.すべての被験者において,ヒトの空間や動きの認知に関わるhMT/V5+の活動が平均238msに見られ,5名中4名の被験者で頭頂連合野若しくは外側後頭皮質LOに至る活動が,...

Formulae for second- and third-order electric field induced by uniform ELF magnetic field in eccentric two-sphere conductor configuration

K. Masutani; S. Hamada; T. Kobayashi

Electronics and Communications in Japan 94(3) 20-32 Mar 2011 [Refereed]

Movement-Imagery Brain-Computer Interface: EEG Classification of Beta Rhythm Synchronization Based on Cumulative Distribution Function.

Teruyoshi Sasayama,Tetsuo Kobayashi

IEICE Transactions 94-D(12) 2479-2486 2011 [Refereed]

Acquisition parameters for diffusion tensor imaging to emphasize fractional anisotropy: Phantom study

T. Oida; S. Nagahara; T. Kobayashi

Magnetic Resonance in Medical Sciences 10(2) 121-128 2011 [Refereed]

Characteristics of image properties inducing eye movement

K. Kato; A. Shikoda; M. Nishida; T. Kuroki; A. Ishikawa; T. Kobayashi

IEEJ Transactions on Electronics, Information and Systems 131(1) 175-181+24 2011 [Refereed]

Misc

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High-sensitivity multi-channel probe beam detector towards MEG measurements of small animals with optically pumped atomic magnetometers

西和将, 伊藤陽介, 小林哲生

電気学会研究会資料. OQD = The papers of technical meeting on optical and quantum devices, IEE Japan 2017(81) 1-6 Dec 2017

Study on transient responses of optically pumped atomic magnetometers by the Laplace transformation

伊藤陽介, 小林哲生

電気学会研究会資料. OQD = The papers of technical meeting on optical and quantum devices, IEE Japan 2017(81) 57-62 Dec 2017

Basic studies on realization of neural magnetic field measurements with low-field MRI

關祐亮, 伊藤陽介, 小林哲生

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 116(58) 13-18 May 2016

MR-based Global Tractography Analyses of White Matter Nerve Bundles toward Identification of Neural Network associated with Schizophrenia

依田学樹, 三木穂高, 奥畑志帆, 岡田直大, 八幡憲明, 笠井清澄, 小林哲生

電子情報通信学会技術研究報告 115(513(MBE2015 102-131)) 89-93 Mar 2016

Magnetic noise reduction caused by bias field tuning coils for optically pumped atomic magnetometer

笈田武範, 加賀裕樹, 山本哲也, 小林哲生

電子情報通信学会技術研究報告 115(513(MBE2015 102-131)) 73-76 Mar 2016

Cortical neural activities during a Sternberg memory task with kana-character and kana-sound-An event-related desynchronization study in signal space-

西川太智, 奥畑志帆, 小林哲生

電子情報通信学会技術研究報告 115(513(MBE2015 102-131)) 95-100 Mar 2016

A study on the readout sampling strategy with compressed sensing for rapid imaging in ultra-low field MRI

OIDA TAKENORI, TAMIWA KAZUHIRO, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(383(MBE2015 63-83)) 89-94 Dec 2015

On the imaging strategy of T1 weighted image using compressed sensing in ultra-low field MRI

TAMIWA KAZUHIRO, OIDA TAKENORI, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(383(MBE2015 63-83)) 95-100 Dec 2015

Quantitative Evaluation of White Matter Abnormalities in Schizophrenia based on an Automated Fiber-tracking Method with MR Diffusion Tensor Imaging

MIKI HODAKA, OKUHATA SHIHO, OKADA NAOHIRO, YAHATA NORIAKI, KASAI KIYOTO, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(383(MBE2015 63-83)) 107-112 Dec 2015

Estimation improvement of Normalized integrative fMRI-MEG method with model selection.-The application to event related fields associated with determination of depth order during transparent motion perception.-

YANO TAKAFUMI, NATSUKAWA HIROAKI, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(383(MBE2015 63-83)) 113-118 Dec 2015

MR signal detection of hyperpolarized xenon with atomic magnetometers in ultra-low field based on SWIFT approach

KAGA YUKI, OIDA TAKENORI, YAMAMOTO TETSUYA, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(383(MBE2015 63-83)) 101-106 Dec 2015

Intrinsic perceptual alternation during observation of transparent motion stimuli: A functional MRI and MEG

TANAKA YUTAKU, NATSUKAWA HIROAKI, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(317(MBE2015 52-62)) 23-28 Nov 2015

Measurements of human visual evoked fields using a 4-ch atomic magnetometer module

NATSUKAWA HIROAKI, YAMAMOTO TETSUYA, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(317(MBE2015 52-62)) 29-32 Nov 2015

Differential measurements for an optically pumped K-Rb hybrid atomic magnetometer and their application to magnetocardiography measurements

KOJIMA FUMITAKA, ITO YOSUKE, KOBAYASHI TETSUO

電気学会マグネティックス研究会資料 MAG-15(93-97) 23-28 Sep 2015

A simultaneous multi-location measurement method using pump-beam modulation in an optically pumped atomic magnetometer toward biomagnetic field imaging

MAMISHIN YUKI, ITO YOSUKE, KOBAYASHI TETSUO

電気学会マグネティックス研究会資料 MAG-15(93-97) 17-22 Sep 2015

Optimization of receiver system for ultra-low field MRI with optically pumped atomic magnetometer

YAMAMOTO TETSUYA, OIDA TAKENORI, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(147(MBE2015 20-24)) 7-12 Jul 2015

Hyperpolarized xenon imaging with SWIFT approach and NUFFT reconstruction in ultra-low field MRI-A simulation study-

KAGA YUKI, OIDA TAKENORI, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 115(116(MBE2015 13-19)) 7-12 Jun 2015

Development of an Automated Fiber-tracking Method using MR Diffusion Tensor Imaging and Parcellation Map

MIKI HODAKA, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 114(514(MBE2014 116-179)) 105-110 Mar 2015

An MEG study on event-related synchronization and desynchronization associated with intrinsic perceptual alternation during observation of transparent motion stimuli

TANAKA YUTAKU, NATSUKAWA HIROAKI, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 114(514(MBE2014 116-179)) 1-6 Mar 2015

An estimation method of the number and locations of fMRI invisible correlated sources based on statistical model selection for fMRI-MEG integration analyses.

YANO TAKAFUMI, NATSUKAWA HIROAKI, KOBAYASHI TETSUO

電子情報通信学会技術研究報告 114(514(MBE2014 116-179)) 239-244 Mar 2015

Conference Activities & Talks

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Developments and perspectives of innovative neuroimaging technologies with optically pumped atomic magnetometers [Invited]

Tetsuo Kobayashi

Basic and Clinical Multimodal Imaging: BaCI2017 10 Aug 2017

Compact atomic magnetometer modules and their biomagnetic applications [Invited]

Tetsuo Kobayashi

Symposium ”New Biomagnetic Sensors” in Biomagnetic Sendai 2017 23 May 2017

Optically pumped atomic magnetometer [Invited]

Tetsuo Kobayashi

Satellite Symposium ”The Latest Sensor Technology and Expectation for Biomagnetic Field Measurement” in Biomagnetic Sendai 2017 22 May 2017

Optically Pumped Atomic Magnetometer and Ultra-low field MRI [Invited]

Tetsuo Kobayashi

14 Apr 2017

Optically pumped atomic magnetometer and its application to neuroimaging [Invited]

Tetsuo Kobayashi

International Symposium on Applied Brain Science 9 Dec 2016

Atomic magnetometer: Advancements and Perspectives for Optical Biomagnetic Imaging Systems [Invited]

Tetsuo Kobayashi

International Workshop on Magnetic Bio-Sensing 12 Oct 2016

Development of compact OPMs towards innovative biomagnetic imaging systems [Invited]

Tetsuo Kobayashi

Biomag2016 Satellite Meeting on Optically-Pumped Magnetometers for Biomedical Applications 1 Oct 2016

Developments and perspectives of optical biomagnetic imaging systems [Invited]

Tetsuo Kobayashi

CiNet Seminer 15 Apr 2016

Optically pumped atomic magnetometer: Advancements and perspectives for biomagnetic imaging [Invited]

Tetsuo Kobayashi

CME2015 satellite symposium 18 Jun 2015

Development of Atomic Magnetometers towards New Biomagnetic Imaging Systems [Invited]

Tetsuo Kobayashi

Biomag2014 Satellite Workshop 24 Aug 2014

Toward advanced bioimaging technologies with super-sensitive optically pumped atomic magnetometers [Invited]

Tetsuo Kobayashi

13 Sep 2013

Cortical neural activities associated with intrinsic perceptual alternation in binocular rivalry: A high-density EEG source imaging study [Invited]

Tetsuo Kobayashi

35th Annual Internationa Conference of the EEE Engineering in Medicine and Biology Society 4 Jul 2013

Binocular Rivalry: A key phenomenon to explore brain mechanisms of consciousness [Invited]

Tetsuo Kobayashi

Santa Fe/Kyoto Symposumy on “Integrated Complex System Sciences” 19 Oct 2012

Toward ultra-low-field multimodal MRI with atomic magnetometer [Invited]

Tetsuo Kobayashi

2012 IEEE/ICME International Conference on Complex Medical Engineering 3 Jul 2012

Binocular Rivalry: A key phenomenon to understand temporal dynamics of conscious perception [Invited]

Tetsuo Kobayashi

2011 International Symposium on Nonlinear Theory and its Applications: NOLTA2011 Sep 2011

Optically pumped atomic magnetometer toward ultra-low field MRI systems [Invited]

Tetsuo Kobayashi

International Workshop on Magnetic Resonance Microsystems Jul 2011

Development of an ultra-sensitive optically pumped atomic magnetometer toward non-invasive human brain imaging [Invited]

Tetsuo Kobayashi

Fundamental Physics using Atoms 2010 Aug 2010

An integrative fMRI-MEG neuroimaging method analyzing dynamic activations of multiple cortical areas [Invited]

Tetsuo Kobayashi

The 2009 International Symposium on Early Detection and Rehabilitation Technology of Dementia Dec 2009

fMRI-MEG integrative neuroimaging in an apparent visual motion perception task [Invited]

Tetsuo Kobayashi

2007 IEEE/ICME International Conference on Complex Medical Engineering May 2007

Neocortical dynamics detected by steady-state multisensory evoked neuromagnetic fields [Invited]

Tetsuo Kobayashi

2004 International Symposium on Nonlinear Theory and its Applications Nov 2004

Association Memberships

ISBET(1) , HBM(1) , ISMRM(7) , IEEE(2176)

Research Grants & Projects

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Numerical electromagnetic field analysis in human head models composed of millimeter size cubic voxels for Magnetoencephalography

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))

Project Year: 2007 - 2008 Investigator(s): Shoji HAMADA

High Speed Electric and Magnetic Field calculation Algorithm for fMRI-MEG Integrative Analysis of Neural Activity

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))

Project Year: 2005 - 2006 Investigator(s): Shoji HAMADA

1.We have developed an 'equivalent multipole moment method with polar translations (EMMM-PT)'. This method enables us to numerically calculate exact solution described by Laplace's equation in multi spheres model. We also have developed a 'fast-mu...

Noninvasive studies on intrinsic alternation of perceived images in binocular rivalry based on high-resolution EE

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(A))

Project Year: 1998 - 1999 Investigator(s): Tetsuo KOBAYASHI

In an attempt to detect the neural processes related to endogenous alternation of perceived images in binocular rivalry (BR), we have studied ERPs in ten healthy subjects. Vertical and/or horizontal gratings were presented to the left and right ey...

Analysis of intelligent visual processes by behavioral observation and MEG measurement

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))

Project Year: 1996 - 1997 Investigator(s): Shinya KURIKI

The objective of this research project is to delineate the intelligent visual processes to perceive and recognize Japanese characters and symbols, based on the behavioral observation and the measurement of brain activity. For the bbehavioral obser...

Neiuromagnetic study on speech sound processing in human auditory cortex

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(一般研究(B))

Project Year: 1991 - 1992 Investigator(s): 栗城真也, Shinya KURIKI

We have been studied the neural activities in the human auditory cortex concerning with the speech sound processing by measuring neuromagnetic fields. Obtained results are summarized as follows.1. Background noises in the auditory evoked magnetic ...

Analysis and Measurement of Neuromagnetic Fields Elicited by Stimulations of Sensory Nerves

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(一般研究(C))

Project Year: 1986 - 1987 Investigator(s): Shinya KURIKI

We have studied the neuromagnetic fields which are evoked by peripheral nerve and auditory stimulations. The measurement system we have developed consists of a mapping apparatus which includes a 2nd-order gradiometer and SQUID, a somatosensory and...