Influence of the Interaction of a 900 MHz Signal with Gender on EEG Energy: Experimental Study on the Influence of 900 MHz Radiation on EEG

Eleni Nanou (), Vassilis Tsiafakis, E. Kapareliotis, Charalabos Papageorgiou, Andreas Rabavilas and Christos Capsalis
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Eleni Nanou: National Technical University of Athens
Vassilis Tsiafakis: National Technical University of Athens
E. Kapareliotis: National Technical University of Athens
Charalabos Papageorgiou: University of Athens
Andreas Rabavilas: University of Athens
Christos Capsalis: National Technical University of Athens

Environment Systems and Decisions, 2005, vol. 25, issue 2, 173-179

Abstract: Summary The effects of electromagnetic fields (EMF) emitted by cellular phones on human electroencephalogram (EEG) were studied during an auditory memory task. The experimental method and the experimental setup are introduced as a credible measurement method of EEG. 19 normal subjects (10 women and 9 men) performed the memory task both with and without exposure to a 900 MHz signal, emitted by a dipole antenna placed near the subjects' head. The energy of the EEG signals was calculated at the time domain. A Fourier transform of the EEG signals was done and the EEG energy was also calculated at the frequency domain. As the Parseval's theorem anticipates the energies were identical. The EEG energy was found concentrated at the four basic bands (α (8–13 Hz), β(14–30 Hz), δ (0–4 Hz) and θ(5–7 Hz)). The primary concern of the present study was the gender related influence of EMF on the spectral energy of EEG. The results show evidence of a strong gender—radiation interaction effect on the EEG energy and on the peak amplitudes within each of the four rhythms. Without radiation the spectral power of males is greater than of females, while under exposure the situation is reversed. Under the influence of EMF the spectral power of the males EEG is decreased while that of the females is increased. In conclusion both the baseline EEG and the changes effected to the EEG power spectrum under the influence of EMF seem to be gender dependent.

Keywords: EEG; Frequency Bands; Gender; Mobile phone; Brain; Cognitive function (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s10669-005-4280-z

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