New protocol of non-invasive brain stimulation and its neural substrates
Project/Area Number |
25351000
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Brain biometrics
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Research Institution | Kyushu University |
Principal Investigator |
Ogata Katsuya 九州大学, 医学(系)研究科(研究院), 助教 (50380613)
|
Project Period (FY) |
2013-04-01 – 2016-03-31
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Project Status |
Completed (Fiscal Year 2015)
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Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
|
Keywords | 経頭蓋磁気刺激 / 経頭蓋交流電気刺激 / 脳波 / 周波数分析 / 運動誘発電位 / 周期活動 / ウェーブレット変換 / 位相 / 時間周波数解析 / ヒルベルト変換 |
Outline of Final Research Achievements |
We explored the neural substrates to regulate M1 excitability through EEG analysis and developed a new protocol for non-invasive brain stimulation. EEGs were recorded during TMS over left M1. MEPs were also recorded and EEG powers were compared between trials of higher MEP amplitudes and ones of lower amplitudes. We found that higher α and β power of C3, which was closest to TMS coil, were related to higher MEP amplitudes. The relationship was also dependent on TMS intensity. TMS intensity would influence the cortical area affected by TMS, thus higher TMS intensity would reflect the excitability of larger cortical area compared with lower TMS intensity. Transcranial alternating current stimulation (tACS) was performed over M1 to modulate M1 excitability. It was revealed that the MEP amplitudes were modulated dependent on its frequency and also its phase. tACS would entrain cortical oscillations and modulate M1 excitability depending on its phase.
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Report
(4 results)
Research Products
(22 results)
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[Journal Article] Neuromagnetic evidence for hippocampal modulation of auditory processing.2016
Author(s)
Chatani, H., Hagiwara, K., Hironaga, N., Ogata, K., Shigeto, H., Morioka, T., Sakata, A., Hashiguchi, K., Murakami, N., Uehara, T., Kira, J., Tobimatsu, S.
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Journal Title
NeuroImage
Volume: 124
Pages: 256-266
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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[Journal Article] Neural substrates of species-dependent visual processing of faces: Use of morphed faces.2015
Author(s)
Yamada E., Ogata, K., Kishimoto, J., Tanaka, M., Urakawa, T., Yamasaki, T., Tobimatsu, S.
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Journal Title
Physiological Reports
Volume: 13
Issue: 5
Pages: 1-16
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Proposal for a new MEG-MRI co-registration: A 3D laser scanner system.2014
Author(s)
Hironaga, N., Hagiwara, K., Ogata, K., Hayamizu, M., Urakawa, T., Tobimatsu, S
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Journal Title
Clinical Neurophysiology
Volume: 125
Issue: 12
Pages: 2404-2412
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Age-related changes across the primary and secondary somatosensory areas: An analysis of neuromagnetic oscillatory activities.2014
Author(s)
Hagiwara, K., Ogata, K., Okamoto, T., Uehara, T., Hironaga, N., Shigeto, H., Kira, J-I, Tobimatsu, S
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Journal Title
Clinical Neurophysiology
Volume: 125
Issue: 5
Pages: 1021-1029
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Rapid maturation of voice and linguistic processing systems in preschool children: A near-infrared spectroscopic study2013
Author(s)
Yamasaki, T., Ogata, K., Maekawa, T., Ijichi, I., Katagiri, M., Mitsudo, T., Kamio, Y., Tobimatsu, S.
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Journal Title
Experimental Neurology
Volume: 250
Pages: 313-320
DOI
Related Report
Peer Reviewed
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