Medical/biological Study (experimental study)

Short-term effects of GSM mobiles phones on spectral components of the human electroencephalogram. med./biol.

PubMed Entry

Journal web site

Aim of study (according to author)
This in vivo study was performed to investigate whether GSM signals affect the electrical activity of the human brain.
Background/further details:
Nine healthy subjects and six epileptic patients participated. Each participant was exposed and sham-exposed.

Endpoint

• effects on the neurological system: brain activity

Exposure
General category: mobile communication system, digital mobile phone, GSM

Field characteristics	Parameters
900 MHz pulsed (PW) exposure duration: continuous for 250 s?

Exposed system:
human

Methods
Endpoint/Measurement parameters/Methodology

• effects on the neurological system: brain activity (EEG, power spectral density)

Main outcome of study (according to author)
Under radiofrequency irradiation the spectral arrangement of the EEG activity was altered for healthy subjects as well as epileptic patients. For the healthy subjects, a significant decrease of the EEG signal was observed for all frequency bands and more precisely on occipital electrodes for the alpha wave. For the epileptic patients, it was the opposite since the GSM exposure produced an increase of EEG signal energy in all frequency bands and without any local difference.
These results suggest that GSM mobile phones may have a biological effect on EEG signals.

(Study character: medical/biological study, experimental study, full/main study)

Study funded by

• Ministère délégué à l'Enseignement supérieur et à la Recherche (Ministry of National Education and Research), France

• Papageorgiou CC et al. (2011): Effects of Wi-Fi signals on the P300 component of event-related potentials...
• Maganioti AE et al. (2010): Principal component analysis of the P600 waveform: RF and gender effects.
• Croft RJ et al. (2010): Effects of 2G and 3G mobile phones on human alpha rhythms: Resting EEG in...
• Vecchio F et al. (2010): Mobile phone emission modulates inter-hemispheric functional coupling of EEG...
• Hinrikus H et al. (2008): Effect of 7, 14 and 21 Hz modulated 450 MHz microwave radiation on human...
• Croft RJ et al. (2008): The effect of mobile phone electromagnetic fields on the alpha rhythm of human...
• Vecchio F et al. (2007): Mobile phone emission modulates interhemispheric functional coupling of EEG...
• Bardasano JL et al. (2007): EEG bioeffects on cochlear deaf from cellular phones.
• Inomata-Terada S et al. (2007): Effects of high frequency electromagnetic field (EMF) emitted by mobile phones...
• Ferreri F et al. (2006): Mobile phone emissions and human brain excitability.
• Maby E et al. (2006): Scalp localization of human auditory cortical activity modified by GSM...
• Hinrichs H et al. (2006): High frequency GSM-1800 fields with various modulations and field strengths: No...
• Maby E et al. (2005): Effects of GSM signals on auditory evoked responses.
• Bachmann M et al. (2005): Effect of 450 MHz Microwave Modulated with 217 Hz on Human EEG in Rest
• Maby E et al. (2004): Analysis of auditory evoked potential parameters in the presence of...
• de Seze R et al. (2001): Evaluation of the Health Impact of the Radio-Frequency Fields from Mobile...
• Krause CM et al. (2000): Effects of electromagnetic field emitted by cellular phones on the EEG during a...
• Borbely AA et al. (1999): Pulsed high-frequency electromagnetic field affects human sleep and sleep...
• Roschke J et al. (1997): No short-term effects of digital mobile radio telephone on the awake human...
• Reiser H et al. (1995): The influence of electromagnetic fields on human brain activity.