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Increased Theta Activity in Quantitative Electroencephalographic (QEEG) Measurements During Exposure to Complex Weak Magnetic Fields
Electromagnetic Biology and Medicine ( IF 1.6 ) Pub Date : 2008-01-01 , DOI: 10.1080/15368370802493719
J N Booth 1 , S A Koren , M A Persinger
Affiliation  

Previous research has shown that exposure to circumcerebral weak magnetic fields with different rates of acceleration applied in a counterclockwise rotation around the head was associated with increased estimations of subjective time and as much as a 30% increase in power within the theta range within quantitative electroencephalographic (QEEG) recordings. The largest effect was associated with magnetic fields applied with 20 ms rates of change through each of the successively stimulated, equally spaced, 8 circumcerebral solenoids. The purpose of the present study was to compare the intracerebral power spectra associated with the rotation of the same patterns in either the clockwise or counterclockwise direction. The results generally replicated previous reports and showed enhanced power over regions of the left hemisphere during clockwise rotations and over the right hemisphere during counterclockwise rotations. These results were considered congruent with the creation of “interference patterns” between the rostral-caudal generation of endogenous cerebral magnetic fields putatively associated with consciousness and the spatial direction of the applied rotating magnetic fields.

中文翻译:

暴露于复杂弱磁场期间定量脑电图 (QEEG) 测量中的 Theta 活性增加

先前的研究表明,暴露于具有不同加速度的环绕脑弱磁场,以围绕头部逆时针旋转的方式与主观时间的估计增加有关,并且在定量脑电图的 theta 范围内,功率增加多达 30%。 QEEG) 录音。最大的影响与通过每个连续刺激的、等距的 8 个环绕大脑螺线管施加 20 毫秒变化率的磁场有关。本研究的目的是比较与顺时针或逆时针方向旋转相同模式相关的脑内功率谱。结果通常重复了之前的报告,并显示在顺时针旋转期间对左半球区域和在逆时针旋转期间对右半球区域的功率增强。这些结果被认为与推定与意识相关的内源性脑磁场的头尾端生成与所施加旋转磁场的空间方向之间的“干扰模式”一致。
更新日期:2008-01-01
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