Effect of modulated microwave radiation on human EEG asymmetry

Anna Suhhova (), Maie Bachmann, Jaanus Lass, Deniss Karai and Hiie Hinrikus
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Anna Suhhova: Technomedicum of Tallinn University of Technology
Maie Bachmann: Technomedicum of Tallinn University of Technology
Jaanus Lass: Technomedicum of Tallinn University of Technology
Deniss Karai: Technomedicum of Tallinn University of Technology
Hiie Hinrikus: Technomedicum of Tallinn University of Technology

Environment Systems and Decisions, 2009, vol. 29, issue 2, 210-214

Abstract: Abstract This study is aimed to investigation of the effect of modulated 450 MHz microwave radiation on the EEG inter-hemispheric asymmetry. Ten cycles of the microwave exposure (1 min off and 1 min on) at fixed modulation frequency were applied on two groups of healthy volunteers. The first group of 13 subjects was exposed to microwave radiation modulated at 14 Hz and the second group of 15 subjects at 40 Hz frequency. The peak specific absorption rate (SAR) average over 1 g was 0.303 W/kg. Differences in SAR between hemispheres were up to 20 dB. Rod antenna was located from the left side of the head. Differences of relative changes in EEG energy between symmetric channels FP1–FP2, T3–T4, P3–P4 and O1–O2 in exposed and sham conditions were analysed. The results showed increase in EEG energy from the left side caused by microwave exposure. Statistical analysis done for the whole group of subjects didn’t reveal significant differences in inter-hemispheres asymmetry between exposed and sham conditions. However, statistical analysis performed for individual subjects detected significant differences in asymmetry caused by exposure for 15–35% of individuals.

Keywords: Microwave radiation; Modulation; EEG analysis; Inter-hemispheric asymmetry; Individual sensitivity (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1007/s10669-009-9214-8

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