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Spatial memory and learning performance and its relationship to protein synthesis of Swiss albino mice exposed to 10 GHz microwaves

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Sharma A, Sisodia R, Bhatnagar D, Saxena VK · 2013

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Mice exposed to microwave radiation showed impaired learning and memory alongside reduced brain proteins, suggesting cognitive risks from wireless frequencies.

Plain English Summary

Summary written for general audiences

Researchers exposed mice to 10 GHz microwave radiation for two hours daily over 30 days, then tested their memory using a water maze. Exposed mice took significantly longer to learn and remember locations, with reduced brain protein levels, suggesting microwave exposure may impair learning and memory.

Why This Matters

This study adds to mounting evidence that radiofrequency radiation can affect cognitive function, even at relatively low exposure levels. The 0.179 W/kg SAR used here is well below current safety limits and comparable to levels from some wireless devices during extended use. What makes this research particularly concerning is that it demonstrates measurable learning deficits alongside biological changes in brain protein synthesis. The science demonstrates that EMF effects aren't just theoretical - they translate into real functional impairments. While this was an animal study, the findings align with growing research showing cognitive effects in humans from wireless radiation exposure. The reality is that our brains are constantly bathed in similar frequencies from WiFi, cell towers, and wireless devices, often for far longer than the 2 hours daily used in this experiment.

Exposure Details

SAR
0.179 W/kg
Power Density
0.25 µW/m²
Source/Device
10 GHz
Exposure Duration
2h/day for 30 days.

Exposure Context

This study used 0.25 µW/m² for radio frequency:

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 ContextStudy Exposure Level in ContextThis study: 0.25 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the Slight Concern rangeFCC limit is 40,000,000x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 10 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 10 GHzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHzLogarithmic scale

Study Details

To study the possible role of microwave (MW) exposure on spatial memory of Swiss albino mice and its relationship to protein concentration in whole brain.

Mice were exposed to 10 GHz (Giga Hertz) microwaves with the power density of 0.25 mW/cm2 (milliwatt...

Both sham-exposed and microwaves-exposed animals showed a significant decrease in escape time with t...

It can be concluded from the current study that exposure to microwave radiation caused decrements in the ability of mice to learn the special memory task, this may be due to simultaneous decrease in protein levels in the brain of mice.

Cite This Study
Sharma A, Sisodia R, Bhatnagar D, Saxena VK (2013). Spatial memory and learning performance and its relationship to protein synthesis of Swiss albino mice exposed to 10 GHz microwaves Int J Radiat Biol. 2013 Aug 19.DOI: 10.3109/09553002.2013.835883.
Show BibTeX
@article{a_2013_spatial_memory_and_learning_181,
  author = {Sharma A and Sisodia R and Bhatnagar D and Saxena VK},
  title = {Spatial memory and learning performance and its relationship to protein synthesis of Swiss albino mice exposed to 10 GHz microwaves},
  year = {2013},
  doi = {10.3109/09553002.2013.835883},
  url = {https://www.tandfonline.com/doi/abs/10.3109/09553002.2013.835883},
}
DOI: 10.3109/09553002.2013.835883

Cited By (21 papers)

Quick Questions About This Study

Yes, a 2013 study found that mice exposed to 10 GHz microwave radiation for two hours daily over 30 days showed significantly impaired spatial memory performance. The exposed mice took longer to learn and remember locations in water maze tests compared to unexposed mice.
Research shows that mice exposed to 10 GHz microwave radiation for 30 days experienced decreased protein levels in their brains. This protein reduction occurred alongside impaired learning performance, suggesting the radiation may interfere with normal brain protein synthesis necessary for memory formation.
Daily two-hour exposure to 10 GHz microwave radiation significantly impaired learning ability in laboratory mice. The exposed animals required more time to learn spatial memory tasks and showed reduced performance in navigating to target locations compared to control animals.
Chronic 10 GHz microwave exposure over 30 days caused measurable decrements in spatial learning and memory function. Researchers observed both behavioral impairments in maze navigation and biochemical changes including reduced brain protein levels in exposed mice.
Yes, mice exposed to 10 GHz microwave radiation showed significantly worse water maze performance. They had higher mean latency times to reach target quadrants compared to unexposed mice, indicating impaired spatial memory and navigation abilities after the radiation exposure period.