Investigation of EEG changes during exposure to extremely low-frequency magnetic field to conduct brain signals.
Shafiei SA, Firoozabadi SM, Tabatabaie KR, Ghabaee M. · 2014
View Original AbstractELF magnetic fields at household appliance levels measurably alter brain wave patterns, confirming the brain's electromagnetic sensitivity.
Plain English Summary
Researchers exposed different areas of the brain to extremely low-frequency magnetic fields (3-45 Hz) at various intensities and measured changes in brain wave patterns using EEG. They found significant alterations in brain electrical activity, particularly reductions in alpha waves in frontal and central brain regions. The findings suggest these magnetic fields can measurably alter brain function, which the researchers propose could be developed into therapeutic protocols.
Why This Matters
This study provides direct evidence that ELF magnetic fields can alter brain electrical activity at exposure levels well within the range of everyday sources. The magnetic field intensities tested (100-360 microTesla) are comparable to what you might experience near household appliances, power lines, or electrical wiring. What makes this research particularly significant is that it demonstrates measurable neurological effects across multiple frequency ranges, not just at specific resonant frequencies. The researchers' focus on therapeutic applications shouldn't obscure the broader implication: if these fields can be used to deliberately modify brain function, they're also capable of causing unintended neurological effects during routine exposure. The science demonstrates that our brains are electromagnetically sensitive organs, responding to field exposures that regulatory agencies have long dismissed as biologically irrelevant.
Exposure Details
- Magnetic Field
- 0, 0.1, 0.24, 0.36 mG
- Source/Device
- 3, 5, 10, 17, and 45 Hz
Exposure Context
This study used 0, 0.1, 0.24, 0.36 mG for magnetic fields:
- 5Kx above the Building Biology guideline of 0.2 mG
- 1Kx above the BioInitiative Report recommendation of 1 mG
Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.
Where This Falls on the Concern Scale
Study Details
The aim of the present study was to investigate changes in EEG power spectrum due to localized exposure in different parts of the brain by extremely low-frequency magnetic fields (ELF-MFs) to extract some protocols for treatment of some psychological disorders.
In addition, regular effects were investigated by increasing intensity of ELF-MF. Therefore, EEG rel...
Significant changes were observed in different EEG bands caused by locally exposing to ELF-MF in dif...
Based on the findings in this study, some protocols can be designed using a combination of various MFs exposures to conduct the brain signals that is necessary to evaluate clinically.
Show BibTeX
@article{sa_2014_investigation_of_eeg_changes_299,
author = {Shafiei SA and Firoozabadi SM and Tabatabaie KR and Ghabaee M.},
title = {Investigation of EEG changes during exposure to extremely low-frequency magnetic field to conduct brain signals.},
year = {2014},
doi = {10.1007/s10072-014-1819-0},
url = {https://link.springer.com/article/10.1007/s10072-014-1819-0},
}