Observation on Effect of Optical Stimulation to Human Using Optical Topography
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概要
- 論文の詳細を見る
We have observed the time course features of cerebral response while a subject is performing the visual tracking task or visual tracking plus finger tapping task using Optiocal Topography (OT). The distribution maps of both oxygenated and deoxygenated hemoglobins are demonstrated in contrast with the time course diagram. The response of the cerebrum differs, depending on whether the optical stimulation is static or dynamic, even when the overall nature of the pattern and intensity of the stimulation is the same. The cerebral response to a dynamic optical stimulation is very rapid and clear, and greater in magnitude than that to static optical stimulation, but it is suppressed when an auxiliary finger tapping task is also performed. From these results, it was confirmed that OT is sensitive to both static and dynamic optical stimulations.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-08-15
著者
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市川 祝善
日立メディコ
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Fujii Kan-ichi
Ibaraki University
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Ichikawa Noriyoshi
Application Development Hitachi Medical Corporation
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Yamamoto Etsuji
Research And Development Center Hitachi Medical Corporation
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Yamamoto Etsuji
Research and Development Center, Hitachi Medical Corporation, 2-10 Toyofuta, Kashiwa, Chiba 277-0872, Japan
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Yanai Hiro-Fumi
Ibaraki University Graduate School of Science and Technology, 4-12-1 Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan
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Yorimoto Akiyoshi
Ibaraki University Graduate School of Science and Technology, 4-12-1 Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan
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Kubota Toshio
Ibaraki University Graduate School of Science and Technology, 4-12-1 Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan
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Kawaguchi Fumio
Research and Development Center, Hitachi Medical Corporation, 2-10 Toyofuta, Kashiwa, Chiba 277-0872, Japan
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Koshino Yoshihumi
Kanazawa University Graduate School of Medical Science, 13 Takara-cho, Kanazawa 920-0934, Japan
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Ichikawa Noriyoshi
Application Development, Hitachi Medical Corporation, 2-10 Toyofuta, Kashiwa, Chiba 277-0872, Japan
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Fujii Kan-ichi
Ibaraki University Graduate School of Science and Technology, 4-12-1 Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan
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