8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.

Analysis of emotionality and locomotion in radio-frequency electromagnetic radiation exposed rats.

Bioeffects Seen

Narayanan SN, Kumar RS, Paval J, Kedage V, Bhat MS, Nayak S, Bhat PG · 2013

View Original Abstract
Share:

Cell phone radiation at typical usage levels increased anxiety behaviors in young rats after just 28 days of exposure.

Plain English Summary

Summary written for general audiences

Young rats exposed to cell phone radiation (900 MHz) for 28 days showed increased anxiety behaviors in maze tests, avoiding open spaces and showing more stress signs like increased defecation. This suggests cell phone radiation may affect emotional development in young brains.

Why This Matters

This study adds to growing evidence that radiofrequency radiation affects brain function beyond simple heating effects. The researchers used a power density of 146.6 μW/cm² - roughly comparable to what you might experience during a phone call held close to your head. What makes this research particularly concerning is that it focused on adolescent rats, whose developing nervous systems may be more vulnerable to EMF exposure, similar to concerns about children's increased susceptibility. The finding that EMF exposure increased anxiety-like behaviors without affecting general movement suggests the radiation is specifically targeting emotional processing centers in the brain. This aligns with human studies reporting increased anxiety and mood changes among heavy cell phone users, though more research is needed to establish definitive causation.

Exposure Details

Power Density
0.1466 µW/m²
Source/Device
900 MHz Mobile Phone
Exposure Duration
28 days

Exposure Context

This study used 0.1466 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: 0.1466 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the Slight Concern rangeFCC limit is 68,212,824x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

In the current study the modulatory role of mobile phone radio-frequency electromagnetic radiation (RF-EMR) on emotionality and locomotion was evaluated in adolescent rats.

Male albino Wistar rats (6–8 weeks old) were randomly assigned into the following groups having 12 a...

Elevated plus maze (EPM) test revealed that, percentage of entries into the open arm, percentage of ...

Results indicate that mobile phone radiation could affect the emotionality of rats without affecting the general locomotion.

Cite This Study
Narayanan SN, Kumar RS, Paval J, Kedage V, Bhat MS, Nayak S, Bhat PG (2013). Analysis of emotionality and locomotion in radio-frequency electromagnetic radiation exposed rats. Neurol Sci. 34(7):1117-1124, 2013.
Show BibTeX
@article{sn_2013_analysis_of_emotionality_and_150,
  author = {Narayanan SN and Kumar RS and Paval J and Kedage V and Bhat MS and Nayak S and Bhat PG},
  title = {Analysis of emotionality and locomotion in radio-frequency electromagnetic radiation exposed rats.},
  year = {2013},
  doi = {10.1007/s10072-012-1189-4},
  url = {https://link.springer.com/article/10.1007/s10072-012-1189-4},
}

Cited By (31 papers)

Quick Questions About This Study

A 2013 study found that young rats exposed to 900 MHz cell phone radiation for 28 days showed increased anxiety behaviors, avoiding open spaces and displaying more stress signs. This suggests cell phone radiation may affect emotional development in developing brains.
Research indicates mobile phone radiation can impact emotional development without affecting general movement. Young rats exposed to 900 MHz radiation showed increased anxiety behaviors and stress responses, suggesting potential effects on the developing nervous system.
A study exposing young rats to 900 MHz radiation for 28 days found increased anxiety-like behaviors, including avoidance of open spaces and elevated stress markers. The radiation affected emotional responses without impacting overall physical activity levels.
Research shows 28 days of cell phone radiation exposure increased anxiety behaviors in young rats, who avoided open areas and showed more stress signs like increased defecation. The study suggests potential emotional effects from mobile phone radiation exposure.
Cell phone radiation exposure appears to increase stress responses based on rat studies. Animals exposed to 900 MHz radiation for 28 days showed heightened anxiety behaviors and stress markers while maintaining normal movement patterns and activity levels.