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Brain & Nervous System

Effects of Radiofrequency Electromagnetic Fields on Cognitive Function in Elderly Subjects (60+ years) - Results of an Experimental Randomized Sham Controlled Double- Blind Cross- Over Study in Women and in Men

No Effects Found

Sauter C, Dorn H, Bueno-Lopez A, Eggert T, Schmid G, Danker-Hopfe H · 2025

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Older adults showed minimal cognitive effects from cell phone radiation, with only women displaying slight performance changes.

Plain English Summary

Summary written for general audiences

German researchers tested whether older adults (ages 60-80) show greater cognitive vulnerability to cell phone radiation than younger people typically studied. Sixty healthy participants performed attention tasks while exposed to GSM 900 MHz and TETRA 385 MHz signals in a controlled lab setting. The study found minimal effects, with only 2 out of 16 performance measures showing statistically significant changes, and only in women.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz, 385 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHz, 385 MHzPower lines50/60 HzWiFi2.4 GHz5G mm28 GHzLogarithmic scale
Cite This Study
Sauter C, Dorn H, Bueno-Lopez A, Eggert T, Schmid G, Danker-Hopfe H (2025). Effects of Radiofrequency Electromagnetic Fields on Cognitive Function in Elderly Subjects (60+ years) - Results of an Experimental Randomized Sham Controlled Double- Blind Cross- Over Study in Women and in Men.
Show BibTeX
@article{sauter_c_dorn_h_bueno_lopez_a_eggert_t_schmid_g_danker_hopfe_h_ce3472,
  author = {Sauter C and Dorn H and Bueno-Lopez A and Eggert T and Schmid G and Danker-Hopfe H},
  title = {Effects of Radiofrequency Electromagnetic Fields on Cognitive Function in Elderly Subjects (60+ years) - Results of an Experimental Randomized Sham Controlled Double- Blind Cross- Over Study in Women and in Men},
  year = {2025},
  doi = {10.1016/j.envres.2025.122479},
  
}
DOI: 10.1016/j.envres.2025.122479PubMed: 40744201

Quick Questions About This Study

This study found that healthy adults aged 60-80 showed minimal cognitive effects from GSM and TETRA radiation exposure, similar to findings in younger populations. Only 2 out of 16 performance measures were significantly affected, suggesting age alone doesn't dramatically increase vulnerability to short-term EMF exposure.
The study found that women's accuracy decreased on memory tasks under both GSM 900 MHz and TETRA 385 MHz exposure, while men showed no significant effects. This suggests potential sex differences in EMF sensitivity, though researchers note this needs further investigation to understand the underlying mechanisms.
TETRA (Terrestrial Trunked Radio) at 385 MHz is used by emergency services and professional radio systems. It operates at a lower frequency than typical cell phones (900-1800 MHz) but showed similar minimal cognitive effects in this elderly population study.
No, this study only examined short-term exposure effects during single sessions. The researchers specifically note they cannot draw conclusions about long-term exposure effects or impacts on older adults with existing health conditions or cognitive disorders.
The effects were statistically significant but small in magnitude, affecting only accuracy on specific memory tasks (n-back tests). Out of 16 different performance measures tested, only 2 showed significant changes, suggesting the practical impact on daily cognitive function would likely be minimal.