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Short-term memory in mice is affected by mobile phone radiation

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Ntzouni MP, Stamatakis A, Stylianopoulou F, Margaritis LH. · 2011

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Cell phone radiation at typical usage levels impaired memory formation in mice, particularly during critical brain consolidation periods.

Plain English Summary

Summary written for general audiences

Researchers exposed mice to cell phone radiation at human-level intensities and tested their memory recognition abilities. Mice showed significant memory problems, especially when exposed during the 17-day period when memories form. This suggests mobile phone radiation may interfere with the brain's memory formation processes.

Why This Matters

This study provides compelling evidence that mobile phone radiation can disrupt memory formation at exposure levels well within current safety limits. The SAR level of 0.22 W/kg is actually lower than the maximum allowed for cell phones in many countries (2.0 W/kg), meaning the effects occurred at radiation levels people regularly experience during phone calls. What makes this research particularly significant is the timing-dependent effect the researchers discovered. The most severe memory impairment occurred when mice were exposed during the consolidation phase, when the brain transfers information from short-term to long-term storage. This suggests EMF radiation may specifically target the neural pathways between brain regions critical for memory processing. The science demonstrates that even brief daily exposures can accumulate into measurable cognitive effects, raising important questions about the long-term impact of our constant connectivity on brain function.

Exposure Details

SAR
0.22 W/kg
Electric Field
17 V/m
Source/Device
1,800 MHz
Exposure Duration
90 min/day for 3 days (acute exposure), 17 days (chronic exposure-I) or 31 days (chronic exposure-II)

Exposure Context

This study used 17 V/m for electric fields:

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 Exposure Level in ContextA logarithmic scale showing exposure levels relative to Building Biology concern thresholds and regulatory limits.Study Exposure Level in ContextThis study: 0.22 W/kgExtreme Concern0.1 W/kgFCC Limit1.6 W/kgEffects observed in the Extreme Concern range (Building Biology)FCC limit is 7x higher than this exposure level

Study Details

To study the Short-term memory in mice is affected by mobile phone radiation.

The effects of mobile phone electromagnetic fields (EMFs) were studied on a non-spatial memory task ...

One day later the ORT test was performed without irradiation present in any of the sessions. The ORT...

Cite This Study
Ntzouni MP, Stamatakis A, Stylianopoulou F, Margaritis LH. (2011). Short-term memory in mice is affected by mobile phone radiation Pathophysiology. 18(3):193-199, 2011.
Show BibTeX
@article{mp_2011_shortterm_memory_in_mice_162,
  author = {Ntzouni MP and Stamatakis A and Stylianopoulou F and Margaritis LH.},
  title = {Short-term memory in mice is affected by mobile phone radiation},
  year = {2011},
  
  url = {https://www.sciencedirect.com/science/article/abs/pii/S092846801000060X},
}

Quick Questions About This Study

Researchers exposed mice to cell phone radiation at human-level intensities and tested their memory recognition abilities. Mice showed significant memory problems, especially when exposed during the 17-day period when memories form. This suggests mobile phone radiation may interfere with the brain's memory formation processes.