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Nonlinear changes in brain electrical activity due to cell phone radiation

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Marino AA, Nilsen E, Frilot C · 2003

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Cell phone radiation increased randomness in rabbit EEG in nine of ten animals.

Plain English Summary

Summary written for general audiences

Researchers exposed rabbits to cell phone radiation (800 MHz, 600 mW) simulating normal human use and measured EEG changes using a nonlinear recurrence analysis. The EEG was significantly affected in nine of ten rabbits, with increased randomness beginning about 100 ms after field onset and lasting approximately 300 ms. Control experiments showed no effect after sacrifice or when the antenna was moved to the chest, indicating the effect required brain energy absorption.

Why This Matters

A control procedure ruled out the possibility that the observations were a product of the method of analysis. The authors concluded that cell phone fields in normal use can alter brain function due to energy absorption by the brain.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 800 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 800 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 800 MHz band cellular telephone

Study Details

We studied the effect of an electromagnetic field from a cellular telephone on brain electrical activity, using a novel analytical method based on a nonlinear model.

The electroencephalogram (EEG) from rabbits was embedded in phase space and local recurrence plots w...

When the rabbits were exposed to the radiation from a standard cellular telephone (800 MHz band, 600...

We conclude that, in normal use, the fields from a standard cellular telephone can alter brain function as a consequence of absorption of energy by the brain.

Cite This Study
Marino AA, Nilsen E, Frilot C (2003). Nonlinear changes in brain electrical activity due to cell phone radiation Bioelectromagnetics 24(5):339-346, 2003.
Show BibTeX
@article{aa_2003_nonlinear_changes_in_brain_2412,
  author = {Marino AA and Nilsen E and Frilot C},
  title = {Nonlinear changes in brain electrical activity due to cell phone radiation},
  year = {2003},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/12820291/},
}
PubMed: 12820291

Cited By (64 papers)

View all 64 citing papers on Semantic Scholar

Quick Questions About This Study

Rabbits were exposed to radiation from a standard cellular telephone (800 MHz band, 600 mW maximum radiated power) under conditions simulating normal human use.
The EEG was significantly affected in nine of ten animals studied.
The effect began about 100 ms after field onset, lasted approximately 300 ms, and increased randomness in the EEG.
No differences were found after the rabbits were sacrificed, and no effect occurred when the antenna was moved to the chest, showing the effect required brain energy absorption.
The authors concluded that cell phone fields in normal use can alter brain function as a consequence of absorption of energy by the brain.