8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Brain & Nervous System

Effects of GSM signals during exposure to event related potentials (ERPs).

Bioeffects Seen

Bak M, Dudarewicz A, Zmyślony M, Sliwinska-Kowalska M. · 2010

View Original Abstract
Share:

Cell phone radiation temporarily reduces brain wave strength during exposure, showing your brain function changes in real time during calls.

Plain English Summary

Summary written for general audiences

Polish researchers measured brain waves in 15 volunteers while they were exposed to GSM cell phone radiation. They found that a specific brain wave called P300, which reflects cognitive processing, showed reduced amplitude (strength) during EMF exposure but returned to normal when the exposure stopped. This suggests that cell phone radiation can temporarily alter brain function during active use.

Why This Matters

This study adds to mounting evidence that cell phone radiation affects brain activity in real time. The P300 wave is particularly important because it reflects how well your brain processes information and makes decisions. What makes this research compelling is that the effect was immediate and reversible - brain wave changes occurred only during exposure and disappeared when the EMF was turned off. This pattern suggests a direct biological response rather than a delayed or cumulative effect. The reality is that your brain is being measurably altered every time you hold a phone to your head. While we don't yet know the long-term implications of these temporary changes, the science demonstrates that EMF exposure is not biologically neutral as wireless industry safety standards assume.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

The primary aim of this work was to assess the effect of electromagnetic field (EMF) from the GSM mobile phone system on human brain function. The assessment was based on the assay of event related potentials (ERPs).

The study group consisted of 15 volunteers, including 7 men and 8 women. The test protocol comprised...

The statistical analysis revealed an effect of EMF on P300 amplitude. In the experiment with EMF exp...

The results suggest that exposure to GSM EMF exerts some effects on CNS, including effects on long latency ERPs.

Cite This Study
Bak M, Dudarewicz A, Zmyślony M, Sliwinska-Kowalska M. (2010). Effects of GSM signals during exposure to event related potentials (ERPs). Int J Occup Med Environ Health. 23(2):191-199, 2010.
Show BibTeX
@article{m_2010_effects_of_gsm_signals_1864,
  author = {Bak M and Dudarewicz A and Zmyślony M and Sliwinska-Kowalska M.},
  title = {Effects of GSM signals during exposure to event related potentials (ERPs).},
  year = {2010},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/20682490/},
}
PubMed: 20682490

Cited By (17 papers)

Quick Questions About This Study

Yes, GSM cell phone signals can temporarily affect P300 brain waves. A 2010 Polish study found that P300 amplitude (strength) decreased during GSM exposure but returned to normal when exposure stopped, suggesting temporary changes in cognitive processing during phone use.
Research shows cell phone radiation can temporarily change specific brain wave patterns during active use. The P300 brain wave, which reflects cognitive processing, showed reduced amplitude during GSM exposure but normalized immediately after exposure ended in laboratory testing.
Brain waves return to normal levels when you stop using your phone. Polish researchers found that P300 brain wave amplitude, which decreased during GSM exposure, returned to baseline values immediately after cell phone radiation exposure was discontinued.
Yes, cognitive brain waves recover after cell phone exposure ends. The P300 wave, which processes cognitive information, showed reduced strength only during active GSM exposure and returned to normal levels once the radiation source was removed.
Yes, event-related brain potentials can detect cell phone radiation effects on the nervous system. Researchers using ERP measurements found that GSM signals specifically affected P300 amplitude while leaving other brain wave components like N1, N2, and P2 unchanged.