Extremely low-frequency magnetic fields effects on the snail single neurons.
Partsvania B, Sulaberidze T, Modebadze Z, Shoshiashvili L. · 2008
View Original AbstractEMF exposure disrupted basic learning processes in brain cells, suggesting electromagnetic fields may interfere with neural function.
Plain English Summary
Researchers exposed isolated snail brain cells to extremely low-frequency magnetic fields at the same frequencies used in cell phones (8.34 and 217 Hz) and measured how the neurons responded to electrical signals. They found that EMF exposure disrupted the normal learning process in these nerve cells, causing them to lose their ability to filter out repeated stimuli. This suggests that EMF exposure can interfere with basic neural functions that are fundamental to learning and memory.
Why This Matters
This study provides direct evidence that extremely low-frequency magnetic fields can disrupt fundamental neurological processes at the cellular level. The researchers used magnetic field strengths between 1 and 6 milliTesla, which are significantly higher than typical environmental exposures but within the range of some occupational settings and certain consumer devices. What makes this research particularly significant is that it demonstrates EMF effects on habituation, a basic form of learning where neurons normally reduce their response to repeated stimuli. The fact that EMF exposure caused 'dehabituation' suggests these fields can interfere with the brain's ability to process and filter information efficiently. While this study used snail neurons rather than human brain cells, the basic mechanisms of neural function are remarkably similar across species, making these findings relevant to understanding potential EMF effects on human cognition and learning.
Exposure Details
- Magnetic Field
- 1 and 6 mG
- Source/Device
- 8.34 and 217 Hz
Exposure Context
This study used 1 and 6 mG for magnetic fields:
- 50Kx above the Building Biology guideline of 0.2 mG
- 10Kx 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 present work is to explore the influence of extremely low-frequency electromagnetic fields (8.34 and 217 Hz) utilized in cell phones on habituation of the mollusk single neuron to intracellular stimuli.
The isolated nervous system of the mollusk Helix Pomatia was used in the experiments. Helmholtz coil...
Exposure of the neuron to the low-frequency electromagnetic fields caused dehabituation to intracell...
Show BibTeX
@article{b_2008_extremely_lowfrequency_magnetic_fields_282,
author = {Partsvania B and Sulaberidze T and Modebadze Z and Shoshiashvili L.},
title = {Extremely low-frequency magnetic fields effects on the snail single neurons.},
year = {2008},
url = {https://europepmc.org/article/med/19037790},
}