Human short-term exposure to electromagnetic fields emitted by mobile phones decreases computer-assisted visual reaction time.
Mortazavi SM, Rouintan MS, Taeb S, Dehghan N, Ghaffarpanah AA, Sadeghi Z, Ghafouri F · 2012
View Original AbstractTen minutes of cell phone exposure measurably altered brain function, making students react 9 milliseconds faster in visual tests.
Plain English Summary
Researchers tested 160 university students to see how 10 minutes of cell phone exposure affected their visual reaction time using a computer test. They found that students responded 9 milliseconds faster after real phone exposure compared to fake exposure, suggesting that cell phone radiation may temporarily sharpen reflexes. The authors suggest this faster reaction time could potentially reduce accidents and human errors.
Why This Matters
This study adds to the growing body of evidence that EMF exposure from mobile phones produces measurable biological effects on the nervous system, even during short-term exposure. At 1.23 W/kg SAR, the exposure level was within the range of typical cell phone use, making these findings directly relevant to daily phone usage. While the researchers frame faster reaction times as potentially beneficial, the key point is that cell phone radiation demonstrably altered brain function in just 10 minutes. The science demonstrates that our nervous systems respond to these exposures whether we perceive it or not. What this means for you is that your brain is being affected every time you use your phone, and we still don't fully understand the long-term implications of these repeated neurological changes.
Exposure Details
- SAR
- 1.23 W/kg
- Exposure Duration
- 5 x 10 min. (in random order with sham exposure and 30 min. rest in between)
Exposure Context
This study used 1.23 W/kg for SAR (device absorption):
- 3.1x above the Building Biology guideline of 0.4 W/kg
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 this study was to assess both the acute and chronic effects of electromagnetic fields emitted by mobile phones on reaction time in university students.
Visual reaction time (VRT) of young university students was recorded with a simple blind computer-as...
The age of students did not significantly alter the reaction time either in talk or in standby mode....
It can be concluded that these exposures cause decreased reaction time, which may lead to a better response to different hazards. In this light, this phenomenon might decrease the chances of human errors and fatal accidents.
Show BibTeX
@article{sm_2012_human_shortterm_exposure_to_148,
author = {Mortazavi SM and Rouintan MS and Taeb S and Dehghan N and Ghaffarpanah AA and Sadeghi Z and Ghafouri F},
title = {Human short-term exposure to electromagnetic fields emitted by mobile phones decreases computer-assisted visual reaction time.},
year = {2012},
url = {https://link.springer.com/article/10.1007%2Fs13760-012-0044-y},
}