8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Brain & Nervous System

Behavior and memory evaluation of Wistar rats exposed to 1·8 GHz radiofrequency electromagnetic radiation

Bioeffects Seen

Júnior LC, Guimarães ED, Musso CM, Stabler CT, Garcia RM, Mourão-Júnior CA, Andreazzi AE. · 2014

View Original Abstract
Share:

Cell phone radiation triggered stress behaviors in rats after just three days of exposure, even without memory or anxiety changes.

Plain English Summary

Summary written for general audiences

Brazilian researchers exposed rats to cell phone radiation (1.8 GHz) for three days using simulated phone calls and then tested their behavior and memory. While the rats showed no memory problems or anxiety, they did exhibit stress-related behaviors when exposed to the radiation. This suggests that even short-term cell phone radiation exposure may trigger stress responses in the brain, even when other cognitive functions appear normal.

Why This Matters

This study adds to growing evidence that radiofrequency radiation affects the nervous system in ways we're still discovering. What's particularly noteworthy is that stress behaviors emerged even without detectable memory or anxiety changes, suggesting EMF exposure may trigger biological stress responses before we see obvious cognitive impacts. The 1.8 GHz frequency used matches GSM cell phone networks, making these findings directly relevant to everyday phone use. The research reinforces that our brains respond to EMF exposure even when we don't consciously notice effects. While this was a short-term animal study, it supports the broader pattern of research showing that RF radiation isn't biologically inert as wireless industry claims suggest.

Exposure Details

Electric Field
2 and 0.1 V/m
Source/Device
1·8 GHz GSM Cell Phone
Exposure Duration
3 days (25 s phone calls every 2 min)
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 8 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 8 GHzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Study Details

To verify potential effects of mobile phone radiation on the central nervous system (CNS) in an animal model.

Male Wistar rats (60 days old) were exposed to RF-EMR from a Global System for Mobile (GSM) cell pho...

Our results showed that exposed animals did not present anxiety patterns or working memory impairmen...

Given the results of the present study, we speculate that RF-EMR does not promote CNS impairment, but suggest that it may lead to stressful behavioral patterns.

Cite This Study
Júnior LC, Guimarães ED, Musso CM, Stabler CT, Garcia RM, Mourão-Júnior CA, Andreazzi AE. (2014). Behavior and memory evaluation of Wistar rats exposed to 1·8 GHz radiofrequency electromagnetic radiation Neurol Res 2014; 36 (9): 800-803.
Show BibTeX
@article{lc_2014_behavior_and_memory_evaluation_113,
  author = {Júnior LC and Guimarães ED and Musso CM and Stabler CT and Garcia RM and Mourão-Júnior CA and Andreazzi AE.},
  title = {Behavior and memory evaluation of Wistar rats exposed to 1·8 GHz radiofrequency electromagnetic radiation},
  year = {2014},
  doi = {10.1179/1743132813Y.0000000276},
  url = {https://www.tandfonline.com/doi/abs/10.1179/1743132813Y.0000000276},
}
DOI: 10.1179/1743132813Y.0000000276

Cited By (23 papers)

Quick Questions About This Study

Yes, Brazilian researchers found that rats exposed to 1.8 GHz GSM radiation for three days showed stress-related behaviors. While the rats maintained normal memory function and showed no anxiety, they exhibited clear behavioral signs of stress during radiation exposure periods.
Research shows that three days of 1.8 GHz cell phone radiation exposure can trigger stress behaviors in rats while leaving memory and learning abilities completely intact. This suggests radiation may cause behavioral changes before affecting cognitive function.
Rats exposed to simulated 1.8 GHz phone calls for three days developed stress-related behaviors but maintained normal working memory and showed no anxiety patterns. The study suggests radiofrequency radiation triggers behavioral stress responses in the nervous system.
No, rats exposed to 1.8 GHz GSM radiation for three days showed no working memory impairment according to Brazilian researchers. However, the same animals did exhibit stress behaviors, indicating radiation affects behavior differently than cognitive function.
Research found that three days of 1.8 GHz GSM radiation exposure did not cause anxiety patterns in rats. While the animals showed stress behaviors during exposure, they did not develop lasting anxiety or memory problems from the radiation.