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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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Both pulsed and continuous radio frequency radiation suppressed brain wave activity in healthy volunteers, showing RF affects the brain regardless of signal type.

Plain English Summary

Summary written for general audiences

Researchers exposed 72 healthy volunteers to different types of cell phone-like radio frequency signals while measuring their brain waves (EEG) during rest. They found that both pulsed and continuous RF exposures reduced alpha brain wave activity compared to no exposure. This challenges the common assumption that only pulsed signals (like those from cell phones) affect brain activity.

Why This Matters

This study adds important evidence to the growing body of research showing that radio frequency radiation directly affects brain activity in measurable ways. The finding that both pulsed and continuous RF exposures suppressed alpha brain waves is significant because it suggests the biological effects aren't limited to the specific pulsing patterns used by cell phones and other wireless devices. Alpha waves are associated with relaxed, alert states of consciousness, so their suppression indicates RF radiation is influencing fundamental brain function even during passive exposure. What this means for you is that any RF-emitting device, regardless of whether it pulses or transmits continuously, may be affecting your brain's electrical activity. While we don't yet know the long-term health implications of chronic alpha wave suppression, this research demonstrates that our brains are clearly responding to RF radiation at a biological level.

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

Yes, a 2013 study found both pulsed and continuous radio frequency signals reduced alpha brain wave activity equally in 72 healthy volunteers. This challenges the assumption that only pulsed signals from cell phones affect brain activity, showing continuous RF exposure produces similar effects.
Alpha brain wave activity decreases during both pulsed and continuous radio frequency exposure compared to no exposure. Researchers measured EEG activity in 72 volunteers and found significant reductions in alpha waves, which are associated with relaxed, wakeful states.
No, pulsing doesn't make RF radiation more harmful to brain activity. The 2013 Perentos study found pulsed and continuous RF exposures produced statistically similar effects on alpha brain waves, suggesting the pulsing nature isn't essential for brain wave changes.
Yes, continuous RF signals change brain wave patterns similarly to pulsed cell phone signals. Research with 72 participants showed both exposure types reduced alpha brain wave activity equally, indicating continuous RF fields affect brain function without requiring pulsed modulation.
No, extremely low frequency fields did not affect resting brain waves in this study. While both pulsed and continuous radio frequency exposures reduced alpha brain wave activity, the ELF condition showed no significant effects on brain wave patterns.