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Neuropsychological sequelae of digital mobile phone exposure in humans.

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Keetley V, Wood AW, Spong J, Stough C. · 2006

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Cell phone radiation at legal power levels measurably alters brain function, slowing reaction times while improving some memory tasks.

Plain English Summary

Summary written for general audiences

Researchers tested 120 people on cognitive tasks while exposed to cell phone radiation at maximum legal power levels. They found that phone radiation slowed down simple reaction times (how quickly people could respond to basic signals) but improved performance on complex memory tasks. This suggests cell phone radiation can alter brain function in measurable ways, though the effects varied depending on the type of mental task.

Why This Matters

This study reveals something crucial that the wireless industry rarely discusses: cell phone radiation measurably alters brain function even during brief exposures. The researchers used maximum permissible power output, which means these effects occurred at radiation levels your phone is legally allowed to emit. What makes this particularly significant is the mixed nature of the results. While some cognitive functions improved, reaction times became slower, suggesting that EMF exposure doesn't simply enhance or impair the brain uniformly. Instead, it appears to reorganize how our brains process information. The reality is that your brain is being influenced every time you hold a phone to your head, and we're only beginning to understand what these neurological changes mean for long-term health and cognitive performance.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

The aim of this study is to investigate Neuropsychological sequelae of digital mobile phone exposure in humans.

This study compares the performance of 120 volunteers on 8 neuropsychological tests during real or s...

When results were adjusted for known covariates (gender, age, or education), several alterations at ...

Cite This Study
Keetley V, Wood AW, Spong J, Stough C. (2006). Neuropsychological sequelae of digital mobile phone exposure in humans. Neuropsychologia. 44(10):1843-1848,2006.
Show BibTeX
@article{v_2006_neuropsychological_sequelae_of_digital_2264,
  author = {Keetley V and Wood AW and Spong J and Stough C.},
  title = {Neuropsychological sequelae of digital mobile phone exposure in humans.},
  year = {2006},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/16616941/},
}
PubMed: 16616941

Cited By (71 papers)

View all 71 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, research testing 120 people found that cell phone radiation at maximum legal power levels significantly slowed simple reaction times. However, the same radiation improved performance on complex memory tasks, showing that phone radiation affects different brain functions in opposite ways.
Yes, a 2006 study found that cell phone radiation improved performance on the Trail Making Task, which measures working memory processing speed. While the radiation slowed simple reactions, it enhanced the brain's ability to process information held in working memory.
Cell phone radiation at maximum legal power creates opposite effects on different cognitive tasks. Simple reaction times become slower, while complex memory tasks improve. This suggests phone radiation alters brain function in ways that depend on the specific mental process being used.
During cell phone radiation exposure, people show measurable changes in brain function including slower simple reaction times and faster processing of working memory tasks. These effects occur while the phone radiation is actively present, demonstrating real-time cognitive alterations.
Yes, cell phone radiation at maximum legal power levels produces statistically significant changes in brain performance. Research found both impaired simple reactions and improved complex memory processing, proving that legal radiation levels can measurably alter how the brain functions.