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The alpha band of the resting electroencephalogram under pulsed and continuous radio frequency exposures

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Perentos N, Croft RJ, McKenzie RJ, Cosic I · 2013

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Pulsed modulated RF exposure suppressed global alpha band activity compared to sham, and this effect did not differ from continuous RF exposure, while extremely low frequency fields showed no effect.

Plain English Summary

Summary written for general audiences

Seventy-two healthy volunteers underwent eyes-open resting EEG recording during four 20-minute exposure intervals (sham, pulsed modulated RF, continuous RF, and pulsed low frequency) in a counterbalanced, double-blind crossover design. Compared to sham, a suppression of the global alpha band activity was observed under the pulsed modulated RF exposure, and this did not differ from the continuous RF exposure. No effect was seen in the extremely low frequency condition. The results support the view that alpha is altered by RF electromagnetic fields, but suggest that the pulsing nature of the fields is not essential for this effect to occur.

Why This Matters

The study tested whether pulsed RF exposure would affect alpha activity while continuous RF would not, and whether GSM-like pulsed low frequency fields would affect alpha. The finding that pulsed RF and continuous RF had similar effects on alpha does not support the hypothesis that pulsing is required for EEG effects.

Exposure Information

Specific exposure levels were not quantified in this study. Duration: 20 min

Study Details

The effect of GSM-like electromagnetic fields with the resting electroencephalogram (EEG) alpha band activity was investigated in a double-blind cross-over experimental paradigm, testing the hypothesis that pulsed but not continuous radio frequency (RF) exposure would affect alpha activity, and the hypothesis that GSM-like pulsed low frequency fields would affect alpha.

Seventy-two healthy volunteers attended a single recording session where the eyes open resting EEG a...

No effect was seen in the extremely low frequency condition. That there was an effect of pulsed RF t...

The results support the view that alpha is altered by RF electromagnetic fields, but suggest that the pulsing nature of the fields is not essential for this effect to occur.

Cite This Study
Perentos N, Croft RJ, McKenzie RJ, Cosic I (2013). The alpha band of the resting electroencephalogram under pulsed and continuous radio frequency exposures IEEE Trans Biomed Eng. 60(6):1702-1710, 2013.
Show BibTeX
@article{n_2013_the_alpha_band_of_1526,
  author = {Perentos N and Croft RJ and McKenzie RJ and Cosic I},
  title = {The alpha band of the resting electroencephalogram under pulsed and continuous radio frequency exposures},
  year = {2013},
  
  url = {https://ieeexplore.ieee.org/abstract/document/6417999},
}

Quick Questions About This Study

Seventy-two healthy volunteers underwent eyes-open resting EEG recording during four 20-minute exposure intervals (sham, pulsed modulated RF, continuous RF, and pulsed low frequency) in a counterbalanced, double-blind crossover design.
Compared to sham, pulsed modulated RF exposure suppressed global alpha band activity.
The suppression of alpha band activity under pulsed modulated RF did not differ significantly from the effect of continuous RF exposure.
No effect was seen in the extremely low frequency condition.
The results support the view that alpha is altered by RF electromagnetic fields, but suggest that the pulsing nature of the fields is not essential for this effect.