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Effects of high frequency electromagnetic field (EMF) emitted by mobile phones on the human motor cortex

No Effects Found

Inomata-Terada S, Okabe S, Arai N, Hanajima R, Terao Y, Frubayashi T, Ugawa Y. · 2007

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Thirty minutes of mobile phone exposure showed no immediate effects on brain motor function in this small study of 12 people.

Plain English Summary

Summary written for general audiences

Researchers exposed 10 healthy volunteers and 2 multiple sclerosis patients to mobile phone radiation for 30 minutes, then measured brain activity in the motor cortex (the brain region controlling movement) using magnetic stimulation. They found no changes in brain function or nerve signal transmission after the exposure compared to fake exposure sessions. The study suggests that short-term mobile phone use doesn't immediately impair motor cortex function, though the small sample size limits the ability to detect subtle effects.

Study Details

We investigated whether the pulsed high frequency electromagnetic field (EMF) emitted by a mobile phone has short term effects on the human motor cortex.

We measured motor evoked potentials (MEPs) elicited by single pulse transcranial magnetic stimulatio...

MEPs to single pulse TMS were also recorded in two patients with multiple sclerosis showing temperat...

Cite This Study
Inomata-Terada S, Okabe S, Arai N, Hanajima R, Terao Y, Frubayashi T, Ugawa Y. (2007). Effects of high frequency electromagnetic field (EMF) emitted by mobile phones on the human motor cortex Bioelectromagnetics. 28(7):553-561, 2007.
Show BibTeX
@article{s_2007_effects_of_high_frequency_2764,
  author = {Inomata-Terada S and Okabe S and Arai N and Hanajima R and Terao Y and Frubayashi T and Ugawa Y. },
  title = {Effects of high frequency electromagnetic field (EMF) emitted by mobile phones on the human motor cortex},
  year = {2007},
  doi = {10.1002/bem.20318},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/bem.20318},
}

Quick Questions About This Study

Researchers exposed 10 healthy volunteers and 2 multiple sclerosis patients to mobile phone radiation for 30 minutes, then measured brain activity in the motor cortex (the brain region controlling movement) using magnetic stimulation. They found no changes in brain function or nerve signal transmission after the exposure compared to fake exposure sessions. The study suggests that short-term mobile phone use doesn't immediately impair motor cortex function, though the small sample size limits the ability to detect subtle effects.