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Modeling of EEG electrode artifacts and thermal ripples in human radiofrequency exposure studies.

No Effects Found

Murbach, M., Neufeld, E., Christopoulou, M., Achermann, P. and Kuster, N. · 2014

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This study confirms RF exposure changes brain activity but scientists still don't understand the biological mechanism behind these effects.

Plain English Summary

Summary written for general audiences

Researchers investigated why radiofrequency radiation from cell phones appears to affect brain activity patterns (EEG) during sleep studies. They tested three possible explanations using computer models and found that RF exposure doesn't significantly heat the brain or interfere with electrode measurements. While the study ruled out these technical artifacts, the actual mechanism behind RF's effects on brain activity remains unexplained.

Study Details

The effects of radiofrequency (RF) exposure on wake and sleep electroencephalogram (EEG) have been in focus since mobile phone usage became pervasive. It has been hypothesized that effects may be explained by (1) enhanced induced fields due to RF coupling with the electrode assembly, (2) the subsequent temperature increase around the electrodes, or (3) RF induced thermal pulsing caused by localized exposure in the head.

We evaluated these three hypotheses by means of both numerical and experimental assessments made wit...

Our results indicate that hypothesis 1 can be rejected, as the induced fields cause <20% increase in...

Cite This Study
Murbach, M., Neufeld, E., Christopoulou, M., Achermann, P. and Kuster, N. (2014). Modeling of EEG electrode artifacts and thermal ripples in human radiofrequency exposure studies. Bioelectromagnetics. 2014 . doi: 10.1002/bem.21837.
Show BibTeX
@article{murbach_2014_modeling_of_eeg_electrode_3260,
  author = {Murbach and M. and Neufeld and E. and Christopoulou and M. and Achermann and P. and Kuster and N. },
  title = {Modeling of EEG electrode artifacts and thermal ripples in human radiofrequency exposure studies.},
  year = {2014},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/24523224/},
}

Quick Questions About This Study

Researchers investigated why radiofrequency radiation from cell phones appears to affect brain activity patterns (EEG) during sleep studies. They tested three possible explanations using computer models and found that RF exposure doesn't significantly heat the brain or interfere with electrode measurements. While the study ruled out these technical artifacts, the actual mechanism behind RF's effects on brain activity remains unexplained.