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Alsaeed I et al, (October 2014) Autism-relevant social abnormalities in mice exposed perinatally to extremely low frequency electromagnetic fields, Int J Dev Neurosci. 2014 Oct;37:58-64. doi: 10.1016/j.ijdevneu.2014.06.010

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Authors not listed · 2014

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Male mice exposed to power-line frequency EMF during pregnancy and early life developed autism-like social deficits.

Plain English Summary

Summary written for general audiences

Researchers exposed pregnant mice and newborn pups to extremely low frequency electromagnetic fields (the type from power lines) during critical brain development periods. The exposed male mice later showed autism-like behaviors including reduced social interaction and less interest in exploring new environments. This study suggests EMF exposure during pregnancy and early life may contribute to autism spectrum disorders.

Why This Matters

This research adds concerning evidence to the growing body of science linking EMF exposure to neurodevelopmental disorders. The timing of exposure in this study is particularly significant - during the last week of pregnancy and first week after birth, when brain development is most vulnerable. The behavioral changes observed mirror core features of autism spectrum disorders: impaired social interaction and reduced exploratory behavior. What makes this especially relevant is that extremely low frequency EMFs are everywhere in our daily environment. These are the fields generated by power lines, household wiring, and electrical appliances. Pregnant women and infants are exposed to these fields constantly, often at levels comparable to or higher than what caused effects in this study. The researchers themselves concluded their findings support a causal link between ELF-EMF and autism spectrum disorders, though they appropriately call for replication studies.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2014). Alsaeed I et al, (October 2014) Autism-relevant social abnormalities in mice exposed perinatally to extremely low frequency electromagnetic fields, Int J Dev Neurosci. 2014 Oct;37:58-64. doi: 10.1016/j.ijdevneu.2014.06.010.
Show BibTeX
@article{alsaeed_i_et_al_october_2014_autism_relevant_social_abnormalities_in_mice_exposed_perinatally_to_extremely_low_frequency_electromagnetic_fields_int_j_dev_neurosci_2014_oct3758_64_doi_101016jijdevneu20_ce2056,
  author = {Unknown},
  title = {Alsaeed I et al, (October 2014) Autism-relevant social abnormalities in mice exposed perinatally to extremely low frequency electromagnetic fields, Int J Dev Neurosci. 2014 Oct;37:58-64. doi: 10.1016/j.ijdevneu.2014.06.010},
  year = {2014},
  doi = {10.1016/j.ijdevneu.2014.06.010},
  
}
DOI: 10.1016/j.ijdevneu.2014.06.010PubMed: 24970316

Quick Questions About This Study

This mouse study found that exposure to extremely low frequency electromagnetic fields during the last week of pregnancy and first week after birth caused autism-relevant behavioral changes including reduced social interaction and decreased exploratory behavior in male offspring.
The exposed mice showed lack of normal sociability, reduced preference for social novelty, and decreased exploratory activity. However, they maintained normal anxiety levels, movement patterns, motor coordination, and sense of smell, indicating specific rather than generalized impairment.
This study exposed mice during the last week of gestation and first 7 days after birth, suggesting the perinatal period when brain development is most active may be a critical window of vulnerability to electromagnetic field effects.
This study only tested male mice, so the effects on females remain unknown. The focus on males reflects the fact that autism spectrum disorders are diagnosed approximately four times more frequently in boys than girls.
The researchers concluded their findings support a causal link between extremely low frequency EMF and autism spectrum disorders, but emphasized that replication studies with additional behavioral tests are needed to strengthen the evidence base.