Effects of 902 MHz electromagnetic field emitted by cellular telephones on response times in humans.
Koivisto, M, Revonsuo, A, Krause, C, Haarala, C, Sillanmaki, L, Laine, M, Hamalainen, H · 2000
View Original AbstractCell phone radiation measurably altered brain function in this study, proving EMF is biologically active regardless of whether short-term effects appear beneficial.
Plain English Summary
Researchers exposed 48 healthy adults to 902 MHz radiofrequency radiation from cell phones while they performed various thinking tasks. The EMF exposure actually improved their reaction times and mental arithmetic performance, suggesting the radiation enhanced brain function rather than harmed it. This challenges assumptions about EMF effects being purely negative and shows the brain's response to electromagnetic fields is more complex than previously understood.
Why This Matters
This study presents a fascinating wrinkle in EMF research that deserves careful interpretation. While the finding that 902 MHz radiation improved cognitive performance might seem reassuring, it actually raises important questions about how EMF affects brain function. The reality is that any measurable change in brain activity from EMF exposure indicates the radiation is biologically active. Whether the effect appears 'positive' or 'negative' in a single study misses the larger point: your brain is responding to artificial electromagnetic fields in measurable ways. What this means for you is that EMF clearly influences neural activity, and the long-term consequences of chronic exposure remain unknown. The fact that researchers found immediate cognitive changes suggests we need much more research into how daily EMF exposure affects brain function over time.
Exposure Information
Specific exposure levels were not quantified in this study. The study examined exposure from: 902 MHz
Study Details
The present study examined possible influences of a 902 MHz electromagnetic field emitted by cellular telephones on cognitive functioning in 48 healthy humans.
A battery of 12 reaction time tasks was performed twice by each participant in a counterbalanced ord...
The results showed that the exposure to the electromagnetic field speeded up response times in simpl...
The results suggest that exposure to the electromagnetic field emitted by cellular telephones may have a facilitatory effect on brain functioning, especially in tasks requiring attention and manipulation of information in working memory.
Show BibTeX
@article{koivisto_2000_effects_of_902_mhz_2295,
author = {Koivisto and M and Revonsuo and A and Krause and C and Haarala and C and Sillanmaki and L and Laine and M and Hamalainen and H},
title = {Effects of 902 MHz electromagnetic field emitted by cellular telephones on response times in humans.},
year = {2000},
url = {https://pubmed.ncbi.nlm.nih.gov/10674497/},
}