EEG bioeffects on cochlear deaf from cellular phones

J. L. Bardasano (), J. Álvarez-Ude, I. Gutiérrez, M. Raposo and R. Goya
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J. L. Bardasano: University of Alcalá
J. Álvarez-Ude: University of Alcalá
I. Gutiérrez: University of Alcalá
M. Raposo: University of Alcalá
R. Goya: University of Alcalá

Environment Systems and Decisions, 2007, vol. 27, issue 4, 519-523

Abstract: Abstract Objectives This paper aims to provide evidence of an inductive electromagnetic bioeffect on the human brain, which is independent from sound waves and produced by mobile phones, in proximal field, through correlating the EEG data obtained from electrodes placed on both normal and cochlear deaf individuals. Methods Two groups of subjects are placed under controlled electromagnetic conditions inside a Faraday chamber, 12 healthy and another 12 suffering from cochlear deafness). Each is sitting on a chair, fitted with additional support, and holding a cellular phone 2 cm away form the right auricular, in order to avoid a thermal effect as much as possible. All of them, relaxed and with their eyes closed, are EEG recorded in a basal state with their mobile phones off. Then, each of them is again recorded under the same conditions but with the mobile on and listening to the same conversation. In order to assess the observed EEG changes, a statistical analysis by means of the FFT (Fast Fourier Transform) was carried out. Results For both, healthy and cochlear deaf, assimilation or integration of the mobile phone signal by some electrodes is to be found. This is due to the increase of amplitudes for alpha and theta waves, whereas the signal is not integrated in other electrodes. By correlating the spectra of frequencies of corresponding EEG records for the same brain areas, we have not observed significative differences for both groups. Conclusions A possible electromagnetic direct inductive, non-thermal, bioeffect on the human brain is observed. This effect is produced by the use of mobile phones and it bears no relation to the sound waves.

Keywords: Electromagnetic field; Bioeffects; Electroencephalogram; Mobile phone; Cochlear deaf (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1007/s10669-007-9066-z

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