Theta band brainwaves in human resting EEG modulated by mobile phone radiofrequency

Abstract

Overview

Wireless communication devices such as mobile phones are ubiquitous. This study focuses on how the electromagnetic fields (EMFs) emitted by these devices affect human brain activities, specifically the theta brainwaves in resting EEG conditions.

Materials and Methods

• Participants: The study included 21 healthy volunteers.
• Procedure: Participants were exposed to GSM signals at 900 MHz with measures of Specific Absorption Rate (SAR) for both 10g and 1g of tissue at 0.49 W/kg and 0.70 W/kg respectively.

Findings

The study found that while other brain rhythms like delta and beta were unaffected, the theta brainwaves showed significant modulation when exposed to RF-EMF from mobile phones. Interestingly, this modulation varied depending on whether the participants' eyes were open or closed.

Conclusion

This research suggests a notable alteration in EEG theta rhythm caused by acute exposure to RF-EMF. The study emphasizes the need for further investigation into the long-term effects of such exposure, particularly in potentially sensitive or high-risk groups.