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磁気刺激および電流分布イメージングによる脳機能ダイナミックスの研究

Research Project

Project/Area Number 12002002
Research Category

Grant-in-Aid for Specially Promoted Research

Allocation TypeSingle-year Grants
Review Section Physics
Research InstitutionThe University of Tokyo

Principal Investigator

上野 照剛  東京大学, 大学院・医学系研究科, 教授 (00037988)

Co-Investigator(Kenkyū-buntansha) 伊良皆 啓治  東京大学, 大学院・医学系研究科, 助教授 (20211758)
岩坂 正和  千葉大学, 工学部, 助教授 (90243922)
湯本 真人  東京大学, 医学部附属病院, 助手 (30240170)
Project Period (FY) 2000 – 2004
Project Status Completed (Fiscal Year 2004)
Budget Amount *help
¥450,800,000 (Direct Cost: ¥386,000,000、Indirect Cost: ¥64,800,000)
Fiscal Year 2004: ¥45,500,000 (Direct Cost: ¥35,000,000、Indirect Cost: ¥10,500,000)
Fiscal Year 2003: ¥71,500,000 (Direct Cost: ¥55,000,000、Indirect Cost: ¥16,500,000)
Fiscal Year 2002: ¥89,700,000 (Direct Cost: ¥69,000,000、Indirect Cost: ¥20,700,000)
Fiscal Year 2001: ¥74,100,000 (Direct Cost: ¥57,000,000、Indirect Cost: ¥17,100,000)
Fiscal Year 2000: ¥170,000,000 (Direct Cost: ¥170,000,000)
KeywordsfMRI / 電流分布MRI / 脳磁図 / 経頭蓋磁気刺激 / インピーダンスMRI / 脳機能ダイナミックス計測 / 生体磁場影響 / f MRI / 脳機能計測 / 磁気刺激
Research Abstract

本研究は、脳神経の局所的磁気刺激による脳神経活動の制御、及び新しい手法による神経電流活動の電流分布イメージングや脳磁図・脳波計測により、高時間分解能、高空間分解を有する新しい脳機能ダイナミックスイメージング法を構築することである。
本年度は、研究最終年度として、磁気刺激時の脳波計測システムの確立、脳磁図計測により、認知活動、記憶活動の脳活動を調べること、及び、MRIを用いた電気情報イメージング技術の確立を目指した。また、同時に強磁場、およびパルス磁気刺激の安全性、および磁気刺激の治療効果の検証も行った。
脳神経磁気刺激においては、磁気刺激時の脳波計測システムを確立し、磁気刺激時の活動の伝搬をとらえることが出来た。脳磁図、脳波計測においては、注意反応に関わる脳内処理が、刺激後約200msに後側頭部及び前頭部にある知見を得た。また、ワーキングメモリに関する脳内活動をイメージングした。MRIを用いて、体内の導電率分布を画像化する方法として、拡散強調MRIを応用した方法を提案し、ラット脳、ヒト脳の導電率分布を画像化することに成功した。
また、定常磁場の生体影響に関し、再生医学の基礎技術のひとつとして細胞の磁場配向制御法を開発し、シュワン細胞で磁場による細胞配向制御を実現するなど、強磁場の積極的な医学応用においても成果を得ることができた。さらに、神経系に対する静磁場の影響を、ウシガエルの坐骨神経を用いて調べた。その結果、静磁場曝露により伝導速度の変化は認めなかったが、相対不応期における活動電位振幅に影響を認め、強磁場が神経膜イオンチャネルになんらかの影響を与えることが示唆された。パルス磁気刺激の医療応用に関しては、免疫効果を高め、ガン細胞の成長抑制に効果が見られた。

Report

(5 results)
  • 2004 Annual Research Report
  • 2003 Annual Research Report
  • 2002 Annual Research Report
  • 2001 Annual Research Report
  • 2000 Annual Research Report

Research Products

(98 results)

All 2005 2004 Other

All Journal Article (24 results) Publications (74 results)

  • [Journal Article] Accelerated recognition of left oblique views of faces2005

    • Author(s)
      Yamamoto M, et al.
    • Journal Title

      Experimental Brain Research 161・1

      Pages: 27-33

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Short term exposure to 1439 MHz pulsed TDMA field does not alter melatonin synthesis in rats2005

    • Author(s)
      Hata K, et al.
    • Journal Title

      Bioelectromagnetics 26・1

      Pages: 2982-2984

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Dielectric resonance in magnetic resonance imaging : signal inhomogeneities in samples of high permittivity2005

    • Author(s)
      Sekino M, et al.
    • Journal Title

      Journal of Applied Physics (In press)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Imaging of the dielectric resonance effect in high field MRI2005

    • Author(s)
      Mihara H, et al.
    • Journal Title

      Journal of Applied Physics (In press)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] A novel method for an accurate T1 relaxation time measurement compensating B1 field inhomogeneity in MR imaging2005

    • Author(s)
      Mihara H, et al.
    • Journal Title

      Journal of Applied Physics (In press)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] FEM-based calculation of the theoretical limit of sensitivity for detecting weak magnetic fields in the human brain using magnetic resonance imaging2005

    • Author(s)
      Hatada T, et al.
    • Journal Title

      Journal of Applied Physics (In press)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Magnetic resonance imaging of mean values and anisotropy of electrical conductivity in the human brain2005

    • Author(s)
      Sekino M, et al.
    • Journal Title

      Neurology and Clinical Neurophysiology (In press)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Dependence of the spin-spin relaxation time of collagen gels on collagen fiber directions2005

    • Author(s)
      Takeuchi M, et al.
    • Journal Title

      Magnetic Resonance in Medical Sciences (In press)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 経皮的磁気刺激の印加がマウス腫瘍および免疫機能に与える影響2005

    • Author(s)
      山口さち子, 他
    • Journal Title

      日本応用磁気学会誌 29・3

      Pages: 360-363

    • Related Report
      2004 Annual Research Report
  • [Journal Article] FEMに基づいたMRI撮像時の脳内RF電磁界分布2005

    • Author(s)
      畑田寛久, 他
    • Journal Title

      日本応用磁気学会誌 29・3

      Pages: 364-367

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Topography of EEG responses evoked by transcranial magnetic stimilation to the cerebellum2004

    • Author(s)
      Iramina K, et al.
    • Journal Title

      IEEE Transactions on Magnetics 40・4

      Pages: 2982-2984

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Spin-spin relaxation and apparent diffusion coefficient of magnetically oriented collagen gels2004

    • Author(s)
      Takeuchi M, et al.
    • Journal Title

      IEEE Transactions on Magnetics 40・4

      Pages: 2976-2978

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Magnetic cell orientation depends on cell type and cell density2004

    • Author(s)
      Ogiue-Ikeda M, et al.
    • Journal Title

      IEEE Transactions on Magnetics 40・4

      Pages: 3024-3026

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Destruction of targeted cancer cells using magnetizable beads and pulsed magnetic force2004

    • Author(s)
      Ogiue-Ikeda M, et al.
    • Journal Title

      IEEE Transactions on Magnetics 40・4

      Pages: 3018-3020

    • Related Report
      2004 Annual Research Report
  • [Journal Article] The effect of repetitive magnetic stimulation on the tumor generation and growth2004

    • Author(s)
      Yamaguchi S, et al.
    • Journal Title

      IEEE Transactions on Magnetics 40・4

      Pages: 3021-3023

    • Related Report
      2004 Annual Research Report
  • [Journal Article] High-resolution magnetic resonance angiography of the rat brain : Detection of cerebral vasospasms in subarachnoid hemorrhage models2004

    • Author(s)
      Sekino M, et al.
    • Journal Title

      IEEE Transactions on Magnetics 40・4

      Pages: 2973-2975

    • Related Report
      2004 Annual Research Report
  • [Journal Article] A method for NMR imaging of a magnetic field generated by electric current2004

    • Author(s)
      Sekino M, et al.
    • Journal Title

      IEEE Transactions on Magnetics 40・4

      Pages: 2188-2190

    • Related Report
      2004 Annual Research Report
  • [Journal Article] FEM based determination of optimum current distribution in transcranial magnetic stimulation as an alternative to electroconvulsive therapy2004

    • Author(s)
      Sekino M et al.
    • Journal Title

      IEEE Transactions on Magnetics 40・4

      Pages: 2167-2169

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Dominance of the left oblique view in activating the cortical network for face recognition2004

    • Author(s)
      Kowatari Y, et al.
    • Journal Title

      Neuroscience Research 50・4

      Pages: 475-480

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Strong static magnetic field effects on yeast proliferation and distribution2004

    • Author(s)
      Iwasaka M, et al.
    • Journal Title

      Bioelectrochemistry 65・1

      Pages: 59-68

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 拡散テンソルMRIによるひずみ推定の可能性の検討2004

    • Author(s)
      金子晃久, 他
    • Journal Title

      日本応用磁気学会誌 28・3

      Pages: 449-453

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Diffusion MRIを用いた生体内水分子の制限拡散に関する研究2004

    • Author(s)
      佐野真人, 他
    • Journal Title

      日本応用磁気学会誌 28・3

      Pages: 458-462

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 磁場配向したフィブリン繊維を取り巻く水分子のT_2緩和時間2004

    • Author(s)
      竹内道広, 他
    • Journal Title

      日本応用磁気学会誌 28・3

      Pages: 468-471

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 拡散テンソル磁気共鳴画像法による脳内導電率のイメージング2004

    • Author(s)
      関野正樹, 他
    • Journal Title

      日本応用磁気学会誌 28・4

      Pages: 649-656

    • Related Report
      2004 Annual Research Report
  • [Publications] Iramina K.: "Measurement of evoked electroencephalography induced by transcranial magnetic stimulation"Journal of Applied Physics. 93・10. 6718-6720 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Sekino M: "Magnetic resonance imaging of convection in an electrolyte solution and extracellular fluid associated with stationary electric currents"Journal of Applied Physics. 94・8. 5359-5366 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Yamaguchi K: "Current distribution image of the rat brain using diffusion weighted magnetic resonance imaging"Journal of Applied Physics. 93・10. 6739-6741 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Sekino M: "Conductivity tensor imaging of the rat brain using diffusion-weighted magnetic resonance imaging"Journal of Applied Physics. 93・10. 6730-6732 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Takeuchi M: "Multicomponent proton spin-spin relaxation of fibrin gels with magnetically oriented and randomly oriented fibrin fiber structures"Journal of Applied Physics. 93・10. 6736-6738 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Iwasaka M: "Polarized light transmission of smooth muscle cells during magnetic field exposures"Journal of Applied Physics. 93・10. 6701-6703 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Iwasaka M: "Verification of magnetic field gradient effects on medium convection and cell adhesion"Journal of Applied Physics. 93・10. 6715-6717 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Ikehata M: "Effects of intense magnetic fields on sedimentation pattern and gene expression profile in budding yeast"Journal of Applied Physics. 93・10. 6724-6726 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Yaoita M: "Magnetosensitive enzyme electrode for hydrogen peroxide sensing"Journal of Applied Physics. 93・10. 6727-629 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Eguchi Y: "Nerve excitation and recovery processes under strong static magnetic fields"Journal of Applied Physics. 93・10. 6742-6744 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Ogiue-Ikeda M: "The effect of repetitive transcranial magnetic stimulation on long-term potentiation in rat hippocampus depends on stimulus intensity"Brain Research. 993・1-2. 222-226 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Ogiue-Ikeda M: "A new method to destruct targeted cells using magneizable beads and pulsed magnetic force"IEEE Transactions on Nanobioscience. 2・4. 262-265 (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] Eguchi Y: "Control of orientation of rat Schwann cells using an 8T static magnetic field"Neuroscience Letters. 351・2. 130-132 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Iwasaka M: "Detection of intracellular macromolecule behavior under strong magnetic fields by linearly polarized light"Bioelectromagnetics. 24・8. 564-570 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Iwasaka M: "Magnetic field effects on assembly pattern of smooth muscle cells"In Vitro Cell Dev Biol Anim. 39・3. 20-123 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] K.Hata: "1439 MHz pulsed TDMA fields affect performance of rats in a T-maze task only when body temperature is elevated"Bioelectromagnetics. 24・4. 223-230 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Ichioka S: "Skin temperature changes induced by strong static magnetic field exposure"Bioelectromagnetics. 24・6. 380-386 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Huang SF: "Measurement of visually evoked magnetic fields associated with pattern recognition"IEEE Transactions on Magnetics. 39・5. 3331-3333 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Maeno T: "Source modeling of the P300 event-related response using magnetoencephalography and electroencephalography measurements"IEEE Transactions on Magnetics. 39・5. 3396-3398 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Ogiue-Ikeda M: "The effect of transcranial magnetic stimulation on long-term potentiation in rat hippocampus"IEEE Transactions on Magnetics. 39・5. 3390-3392 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Sekino M: "Magnetic resonance imaging of fluid motion with electrodeposition processes"IEEE Transactions on Magnetics. 39・5. 3393-3395 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Umeno A: "Quantitative analysis of adherent cell orientation influenced by strong magnetic fields"IEEE Transactions on Nanobioscience. 2・1. 26-28 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] 金子 晃久: "拡散テンソルMRIによる,ひずみ推定の可能性の検討"日本応用磁気学会誌. 28・3. 449-453 (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] 佐野 真人: "Diffusion MRI を用いた生体内水分子の制限拡散に関する研究"日本応用磁気学会誌. 28・3. 458-462 (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] 竹内 道弘: "磁場配向したフィブリン繊維を取り巻く水分子のT2緩和時間"日本応用磁気学会誌. 28・3. 468-471 (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] 江口 和: "静磁場による神経再生足場の制御"日本応用磁気学会誌. 27・4. 443-446 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Iramina K: "Effects of transcranial magnetic stimulation on EEG activity"IEEE Transactions on Magnetics. 38・5. 3347-3349 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Huang SF: "Visual-evoked magnetic fields associated with geometric and phonetic discrimination"IEEE Transactions on Magnetics. 38・5. 3341-3343 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Iwasaka M: "Cleavage pattern modulation of frog's egg under magnetic fields of 10 tesla order"International Journal of Applied Electromagnetics and Mechanics. 14・1-4. 327-330 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Iwasaka M: "Manipulation of cells by diamagnetic energy"International Journal of Applied Electromagnetics and Mechanics. 14・1-4. 391-396 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Huang SF: "Visually evoked magnetic fields associated with geometric and phonetic discrimination"International Journal of Applied Electromagnetics and Mechanics. 14・1-4. 341-346 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Kotani H: "Strong static magnetic field stimulates bone formation to a definite orientation in vitro and in vivo"Journal of Bone and Mineral Research. 17・10. 1814-1821 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Hong B: "Changes in blood pressure and heart rate by repetitive transcranial magnetic stimulation in rats"Neuroscience Letters. 329・1. 57-60 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Sekino M: "Comparison of current distributions in electroconvulsive therapy and transcranial magnetic stimulation"Journal of Applied Physics. 91・10. 8730-8732 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Epstin C.: "Asymmetries of prefrontal cortex in human episodic memory : Effects of transcranial magnetic stimulation on learning abstract patterns"Neuroscience Letters. 320・1-2. 5-8 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Uchida S: "Magnetocardiogrphic imaging for ischemic myocardial muscles on rats"IEICE Transactions on Information and Systems. 65・D(1). 30-35 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Niijima S: "MEG source estimation using the fourth order MUSIC method"IEICE Transactions on Information and Systems. 65・D(1). 167-164 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Iwaki S: "Visualization of the brain activity during mental rotation processing using MUSIC-weighted lead-field synthetic filtering"IEICE Transactions on Information and Systems. 65・D(1). 175-183 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] 岩坂正和: "強磁場下での細胞内骨格再配置のリアルタイム偏光検出"日本応用磁気学会誌. 26・4. 593-596 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Testof MF: "Melanophore aggregation in strong static magnetic fields"Bioelectromagnetics. 23. 444-449 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Iramina K: "Measurement of evoked electroencephalography induced by transcranial magnetic dtimulation"Journal of Applied Physics. (In press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Iwasaka M: "Verification of magnetic field gradient effects on medium convection and cell adhesion"Journal of Applied Physics. (In press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Nakahira A: "Effect of a high magnetic field on the bioactivity of apatite-based biomaterials"Journal of Applied Physics. (In press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Ikehata M: "Effects of Intense Magnetic Fields on Sedimentation Pattern and Gene Expression Profile in Budding Yeast"Journal of Applied Physics. (In press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Yaoita M: "Magneto-sensitive enzyme electrode for hydrogen peroxide sensing"Journal of Applied Physics. (In press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Iwasaka M: "Polarized light transmission of smooth muscle cells during magnetic field exposures"Journal of Applied Physics. (In press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] (分担執筆): "磁気科学(北澤宏一監修、尾関、谷本、山口編)"アイピーシー出版部. 550(20) (2002)

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  • [Publications] 上野照剛, 重光司, 岩坂正和(共同編集・分担執筆): "生体と電磁界"(株)学会出版センター. 350 (2003)

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      2002 Annual Research Report
  • [Publications] C.M.Epstin, et al.: "Asymmetries of prefrontal cortex in human episodic memory : Effects of transcranial magnetic stimulation on learning abstract patterns"Neurosci Lett.. Vol.320. 5-8 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] K.Iramina, et al.: "Effects of repetation rate of electric stimulation on MEG and fMRI signals"IEEE Transactions on Magnetics. Vol.37 No.4. 2918-2920 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] M.Iwasaka, et al.: "Optical absorbance of hemoglobin and red blood cell suspensions under magnetic fields"IEEE Transactions on Magnetics. Vol.37 No.4. 2906-2908 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] M.Iwasaka, et al.: "Magnetophoresis of diamagnetic cells and microorganisms in a culture medium"IEEE Transactions on Magnetics. Vol.37 No.4. 2644-2908 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] M.Ogiue-Ikeda, et al.: "Inhibition of leukemia cell growth under magnetic fields of up to 8T"IEEE Transactions on Magnetics. Vol.37 No.4. 2912-2914 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] A.Umeno, et al.: "Quantification of adherent cell orientation and morphology under strong magnetic fields"IEEE Transactions on Magnetics. Vol.37 No.4. 2909-2911 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] M.Iwasaka, et al.: "Magnetically disturbed activity of immobilized catalase on an electrode in hydrogen-peroxide buffer"IEEE Transactions on Magnetics. Vol.37 No.4. 2941-2943 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] R.Hayashi, et al.: "Elicitation of N400m in sentence comprehension due to lexical prosody incongruity"NeuroReport. Vol.12 No.8. 1753-1756 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] K.Kasai, et al.: "Brain lateralization for mismatch response to across-and within-category change of vowels"NeuroReport. Vo.12 no.11. 2467-2471 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] S.Uchida, et al.: "Magnetocardiographic Imaging for Ischemic Myocardial Muscles on Rats"IEICE Transactions. Vol.E 85D No.1. 30-35 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] S.Iwaki, et al.: "Visualization of the Brain Activity during Mental Rotation Processing Using MUSIC-Weighted Lead-Field Synthetic Filtering"IEICE Transactions. Vol.E 85D No.1. 175-183 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] S.Niijima, et al.: "Source Estimation Using the Fourth Order MUSIC Method"IEICE Transactions. Vol.E 85D No.1. 167-174 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] 内田誠也, et al.: "最小ノルム法を用いた心筋虚血ラットの電流源の推定"日本応用磁気学会誌. Vol.25 No.4-2. 1123-1126 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] B.Hong, et al.: "パルス磁気刺激によるラットの自律神経及び動脈圧受容器への影響"日本応用磁気学会誌. Vol.25 No.4-2. 1135-1138 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 小谷 博子, et al.: "直流磁場による骨芽細胞の配向制御"日本応用磁気学会誌. Vol.25 No.4-2. 1167-1170 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] S.Ueno: "Principle and horizons of magnetic resonance imaging"Advances in Electromagnetic Fields in Living System. Vol.3. 39-71 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] K.Iramina: "Effects of repetation rate of electric stimulation on MEG and fMRI signals"IEEE Transactions on Magnetics. Vol.37(In Press). (2001)

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      2000 Annual Research Report
  • [Publications] R.Liu: "Calculating the activating function of nerve excitation in inhomogeneous volume conductor during magnetic stimulation using the finite element method"IEEE Transactions on Magnetics. Vol.36 No.4. 1796-1799 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] G.Tsurita: "Biological and morphological effects on the brain after exposure of rats to a 1439 MHz TDMA Field"Bioelectromagnetics. Vol.21. 364-371 (2000)

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      2000 Annual Research Report
  • [Publications] M.Iwasaka: "Aggregation of blood platelets in static magnetic fields"IEEE Transactions on Magnetics. Vol.36 No.5(In press). (2000)

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      2000 Annual Research Report
  • [Publications] S.Uchida: "Current Source Imaging for High Spatial Resolution Magnetocardiography in Normal and Abnormal Rat Cardiac Muscles"Journal of Applied Physics. Vol.87,NO.9. 6205-6207 (2000)

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      2000 Annual Research Report
  • [Publications] S.Uchida: "A comparison of iterative minimum norm estimation and current dipole estimation for magnetic field measurements from small animals"IEEE Transactions on Magnetic. Vol.3,No5(In press). (2000)

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      2000 Annual Research Report
  • [Publications] M.Iwasaka: "Magnetically distributed activity of immobilized catalase on an electrode in Hydrogen-Peroxide buffer"IEEE Transactions on Magnetics. Vol.37(In Press). (2001)

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      2000 Annual Research Report
  • [Publications] 伊良皆啓治: "FMRIおよび脳磁図による体性感覚誘発反応計測-電気刺激の刺激強度の違いによる影響-"日本応用磁気学会誌. 24. 931-934 (2000)

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      2000 Annual Research Report
  • [Publications] 吉村裕: "ラット頭部の酸素化・脱酸素化ヘモグロビンに対する直流磁場効果"日本生体磁気学会論文誌. Vol.12 No.2. 39-46 (2000)

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      2000 Annual Research Report
  • [Publications] 内田誠也: "左冠状動脈閉塞モデルラットの心磁図と心ベクトルについて"日本応用磁気学会誌. 24. 935-938 (2000)

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Published: 2000-03-31   Modified: 2018-03-28  

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