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Republished review: systematic review and meta-analysis of psychomotor effects of mobile phone electromagnetic fields.

No Effects Found

Valentini E, Ferrara M, Presaghi F, De Gennaro L, Curcio G. · 2011

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Mobile phone radiation showed no cognitive effects in this analysis, but industry-funded studies were biased toward finding no harm.

Plain English Summary

Summary written for general audiences

Italian researchers analyzed 24 studies to determine if mobile phone radiation affects thinking skills and reaction times. Their meta-analysis found no significant cognitive or psychomotor effects from mobile phone-like electromagnetic fields. However, they discovered that studies funded by the wireless industry were more likely to show no effects, while studies with mixed funding sources sometimes found small impacts on working memory tasks.

Study Details

The aim of this study is to investigate systematic review and meta-analysis of psychomotor effects of mobile phone electromagnetic fields.

PubMed, Biomed, Medline, Biological Sciences, PsychInfo, PsycARTICLES, Environmental Sciences and Po...

Only three tasks (2-back, 3-back and simple reaction time (SRT)) displayed significant heterogeneity...

Mobile phone-like EMF do not seem to induce cognitive and psychomotor effects. Nonetheless, the existence of sponsorship and publication biases should encourage WHO intervention to develop official research standards and guidelines. In addition, future research should address critical and neglected issues such as investigation of repeated, intensive and chronic exposures, especially in highly sensitive populations such as children.

Cite This Study
Valentini E, Ferrara M, Presaghi F, De Gennaro L, Curcio G. (2011). Republished review: systematic review and meta-analysis of psychomotor effects of mobile phone electromagnetic fields. Postgrad Med J. 87(1031):643-651, 2011.
Show BibTeX
@article{e_2011_republished_review_systematic_review_3462,
  author = {Valentini E and Ferrara M and Presaghi F and De Gennaro L and Curcio G.},
  title = {Republished review: systematic review and meta-analysis of psychomotor effects of mobile phone electromagnetic fields.},
  year = {2011},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/21862503/},
}
PubMed: 21862503

Cited By (18 papers)

View all 18 citing papers on Semantic Scholar

Quick Questions About This Study

Italian researchers analyzed 24 studies and found no significant effects of mobile phone radiation on cognitive abilities or psychomotor skills like reaction time. Their 2011 meta-analysis concluded that mobile phone-like electromagnetic fields do not impair thinking skills or mental performance.
The 2011 Italian meta-analysis discovered that wireless industry-funded studies were more likely to report no effects from mobile phone radiation. Studies with mixed funding sources sometimes found small impacts on working memory tasks, suggesting potential sponsorship bias in EMF research.
The Italian researchers found significant publication bias in mobile phone EMF studies, particularly for simple reaction time and subtraction tasks. This means studies showing certain results may be more likely to get published than others, skewing the overall scientific picture.
The 2011 meta-analysis initially found some variation in 2-back and 3-back working memory tests with mobile phone radiation exposure. However, after removing studies with extreme results, these apparent effects disappeared, suggesting no real cognitive impact from phone EMF.
The Italian researchers recommended WHO intervention to develop official research standards for mobile phone EMF studies. They cited sponsorship bias and publication bias as reasons why standardized guidelines are needed to ensure more reliable and unbiased research results.