LONG-TERM LOW-LEVEL ELECTROMAGNETIC RADIATION CAUSES CHANGES IN THE EEG OF FREELY-MOVING RATS

H.S. MOHAMMED; N.M. RADWAN; NAWAL A. AHMED

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LONG-TERM LOW-LEVEL ELECTROMAGNETIC RADIATION CAUSES CHANGES IN THE EEG OF FREELY-MOVING RATS

机译：长期低水平电磁辐射会引起自由运动大鼠脑电图的变化

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In the present study the effect of long-term exposure (1 hour/day for 4 months) to electromagnetic radiation field (EMF) (900 MHz, 0.02 mW/cm2, SAR: 1.165 W/kg) on the EEG of freely moving rat is investigated. The spectral analysis of the EEG bands was done after 1, 2 and 4 months of daily EMF irradiation and after 1 month of stopping irradiation that extended daily for 4 months. The quantitative analysis of EEG revealed a clear shift from high frequency (beta) to lower frequency (delta) in irradiated animals as compared to unexposed animals, which indicated the change in the animal arousal. The cumulative effect of non-thermal EMF has been suggested for chronic exposure to radiation. It could be suggested that EMF cause changes in central cholinergic system that change the cortical excitability that reflected in slowing down of the EEG frequencies.

机译：在本研究中，长期暴露（每天1小时/每天，为期4个月）对电磁场（900 MHz，0.02 mW / cm2，SAR：1.165 W / kg）的电磁场的影响被调查。在每天EMF照射1、2和4个月后以及每天停止延长4个月的停止照射1个月后，对EEG谱带进行光谱分析。脑电图的定量分析显示，与未暴露的动物相比，受辐照的动物从高频（β）明显转移到低频（δ），这表明动物觉醒的变化。非热电动势的累积效应已被建议用于长期暴露于辐射。可以认为，EMF会导致中枢胆碱能系统发生变化，从而改变皮层兴奋性，这反映了EEG频率的降低。

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《Romanian Journal of Biophysics》 |2011年第1期|共9页
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H.S. MOHAMMED; N.M. RADWAN; NAWAL A. AHMED;
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LONG-TERM LOW-LEVEL ELECTROMAGNETIC RADIATION CAUSES CHANGES IN THE EEG OF FREELY-MOVING RATS

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