Basic Studies on Mechanism of Biological Effects of Extremely Low Frequency Electric Fields
极低频电场生物效应机制的基础研究
基本信息
- 批准号:10837014
- 负责人:
- 金额:$ 1.02万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:1998
- 资助国家:日本
- 起止时间:1998 至 1999
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Using electric field exposure equipment that it receives the authorization of Ministry of Health and Welfare and has already confirmed of the safety, EEG, ECG, blood pressure, peripheral skin temperature in exposing ELF( Extremely Low Frequency) electric field on human body were measured simultaneously and analyzed.The EEG was measured and the variation of each spectral power of σ, θ, α, β rhythm was analyzed, and thereafter the variation of arousal level was evaluated. The result was obtained as follows. The arousal level dropped in amplitude index of the BEG analysis because of the low-frequency-component of the BEG increasing after the electric field exposure.When a electric field was exposed to a subject, the body hair was vibrating. Hence the subject would detected the vibration as a field exposure, and therefore psychological effect might affect the subject. To verify the possibility of this effect, the following experiment was introduced. To covering the sense of vibrating hair by field exposure and maintaining the arousal level long time, fluctuating wind and white noise sound were presented to the subject in the same experiments. As a result, the arousal level tended to rise under electric field exposure, and it returns in original level after the exposure.Next, hand skin temperature, BEG, ECG and blood pressure were analyzed. Although hand skin temperature was upward trend before electric field exposure, it was changed to the declining tendency during the field exposure, and it intensified the declining tendency still more after the field exposure. The activity of sympathetic and parasympathetic nerve systems were analyzed based on the spectrum analyses of heart rate variability. During and after the electric field exposure, the parasympathetic nerve activity was weakened but the sympathetic nerve activity was activated.
使用它获得卫生和福利部授权的电场暴露设备,并且已经证实了在暴露EEG(极低的ELF(极低频率))电场中的安全性,EEG,EEG,ECG,血压,外周的皮肤温度。被评估。结果如下。由于电场暴露后BEG的低频组件增加,BEG分析的放大器指数的唤醒水平下降。当电场暴露于受试者时,体毛正在振动。因此,受试者将检测到振动为现场暴露,因此心理影响可能会影响受试者。为了验证这种效果的可能性,引入了以下实验。为了覆盖通过现场暴露并长时间维持唤醒水平的振动感,在同一实验中向受试者展示了风和白噪声声音。结果,分析了在电场暴露下的唤醒水平,并在暴露后的原始水平上恢复了原始水平。分析了次要,手动温度,beg,ecg和血压。尽管在电场暴露之前,手动皮肤温度趋势是向上趋势,但在电场暴露之前,它在现场暴露期间更改为现场暴露趋势的下降趋势,并在现场暴露趋势下降。根据心率变异性的光谱分析,分析了交感神经和副交感神经系统的活性。在电场暴露期间和之后,副交感神经活动被削弱,但会激活交感神经活动。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Masaji Yamamoto: "Effects of a strong Elf Electric Field on the Human Electroencephalogram"Proc. Of the International Symposium on Electromagnetic Compatibility. 1. 159-164 (1998)
山本正治:“强精灵电场对人类脑电图的影响”Proc。
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- 影响因子:0
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M.Yamashita,K.Osaki and K.Shimizu: "Effects of a Strong ELF Electric Field on the Human Electroencephalogram" Proceedings of International Symposium on Electromagnetic Compatibility. Volume 1. 159-164 (1998)
M.Yamashita、K.Osaki 和 K.Shimizu:“强 ELF 电场对人体脑电图的影响”国际电磁兼容性研讨会论文集。
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- 影响因子:0
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山下政司、清水孝一: "ELF電界中での生体信号の計測と解析" 電気関係学会北海道支部連合大会講演論文集. 346 (1998)
Masashi Yamashita,Koichi Shimizu:“ELF电场中生物信号的测量和分析”电气工程学会北海道分会会议记录346(1998)。
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- 影响因子:0
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山下政司、大崎和夫、清水孝一: "強電界環境中での生体信号の計測と解析" 医用電子と生体工学. 36巻特別号. 361 (1998)
Masashi Yamashita、Kazuo Osaki、Koichi Shimizu:“强电场环境中生物信号的测量和分析”《医疗电子与生物工程》第 36 卷特刊(1998 年)。
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