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The effect of pulsed electromagnetic radiation from mobile phone on the levels of monoamine neurotransmitters in four different areas of rat brain

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Aboul Ezz HS, Khadrawy YA, Ahmed NA, Radwan NM, El Bakry MM · 2013

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Exposing adult rats to 1800 MHz electromagnetic radiation produced significant changes in dopamine, norepinephrine, and serotonin levels across four brain regions.

Plain English Summary

Summary written for general audiences

Researchers investigated the effect of electromagnetic radiation on concentrations of dopamine, norepinephrine, and serotonin in the hippocampus, hypothalamus, midbrain, and medulla oblongata of adult rats. Adult rats were exposed daily to electromagnetic radiation at 1800 MHz, with a specific absorption rate of 0.843 W/kg and power density of 0.02 mW/cm2, modulated at 217 Hz. Measurements were taken after 1, 2, and 4 months of daily exposure, and also after stopping exposure for 1 month following 4 months of daily exposure. The exposure resulted in significant changes in dopamine, norepinephrine, and serotonin in all four brain areas studied.

Why This Matters

Monoamines were measured using high performance liquid chromatography coupled with fluorescence detection. The researchers suggested that the exposure may cause disturbances in monoamine neurotransmitters. The authors suggested this may underlie adverse effects on memory, learning, and stress reported after electromagnetic radiation exposure.

Exposure Details

SAR
0.843 W/kg
Power Density
0.02 mW/cm²
Source/Device
1800 MHz EMR
Exposure Duration
24h for 1,2 and 4 months

Exposure Context

This study used 0.02 mW/cm² for radio frequency:

This study used 0.843 W/kg for SAR (device absorption):

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: 0.02 mW/cm²Extreme Concern - 1,000 µW/m²FCC Limit - 10M µW/m²Effects observed in the Extreme Concern range (Building Biology)FCC limit is 50 times higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.80 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.80 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

The aim of the present study was to investigate the effect of EMR on the concentrations of dopamine (DA), norepinephrine (NE) and serotonin (5-HT) in the hippocampus, hypothalamus, midbrain and medulla oblongata of adult rats.

Adult rats were exposed daily to EMR (frequency 1800 MHz, specific absorption rate 0.843 W/kg, power...

The exposure to EMR resulted in significant changes in DA, NE and 5-HT in the four selected areas of...

The exposure of adult rats to EMR may cause disturbances in monoamine neurotransmitters and this may underlie many of the adverse effects reported after EMR including memory, learning, and stress

Cite This Study
Aboul Ezz HS, Khadrawy YA, Ahmed NA, Radwan NM, El Bakry MM (2013). The effect of pulsed electromagnetic radiation from mobile phone on the levels of monoamine neurotransmitters in four different areas of rat brain Eur Rev Med Pharmacol Sci. 17(13):1782-1788, 2013.
Show BibTeX
@article{hs_2013_the_effect_of_pulsed_58,
  author = {Aboul Ezz HS and Khadrawy YA and Ahmed NA and Radwan NM and El Bakry MM},
  title = {The effect of pulsed electromagnetic radiation from mobile phone on the levels of monoamine neurotransmitters in four different areas of rat brain},
  year = {2013},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/23852905},
}
PubMed: 23852905

Cited By (45 papers)

Quick Questions About This Study

The study examined the hippocampus, hypothalamus, midbrain, and medulla oblongata.
Dopamine, norepinephrine, and serotonin were measured.
The exposure was at a frequency of 1800 MHz, a specific absorption rate of 0.843 W/kg, a power density of 0.02 mW/cm2, and was modulated at 217 Hz.
The exposure resulted in significant changes in dopamine, norepinephrine, and serotonin in all four selected brain areas.
Rats were also assessed after stopping electromagnetic radiation exposure for 1 month, following 4 months of daily exposure.