The Effect of 5G Mobile Phone Electromagnetic Exposure on Corticospinal and Intracortical Excitability in Healthy Adults: A Randomized Controlled Pilot Study
Research
RF Safe Research Library
Oct 22, 2025
This randomized controlled pilot study examined whether short-term 5G mobile phone exposure (3.6 GHz; 0.0030 W/m2) affects corticospinal and intracortical excitability in 19 healthy adults. No significant exposure-by-time interactions were found for CSE, ICF, SICI, or LICI when comparing 5-minute, 20-minute, and sham…
Millimeter-wave high frequency 5G (26 GHz) electromagnetic fields do not modulate human brain electrical activity
Research
RF Safe Research Library
Jan 1, 2025
This randomized, triple-blind crossover study examined whether 26 GHz (5G millimeter-wave) exposure affects human EEG activity. Thirty-one healthy young adults completed real and sham 26.5-minute exposures at 2 V/m, with EEG recorded before, during, and after exposure. The study reports no significant effects of…
Impact of expectancy on fatigue by exposure to the fifth generation of mobile communication signals
Research
RF Safe Research Library
Jan 1, 2025
This randomized sham-controlled study in 21 healthy participants tested whether routine-level 5G RF-EMF exposure affects fatigue and EEG power, while manipulating expectancy via correct, false, or no information about exposure order. The study reports no change in EEG power with real versus sham exposure. However,…
Effects of electromagnetic field emitted by a 90 kHz WPT system on the cognitive functions and neuronal excitation of mice.
Research
RF Safe Research Library
Jan 1, 2025
This animal study examined whether EMF from a 90 kHz magnetic-coupling resonant wireless power transfer (WPT) system affects mouse cognition and hippocampal neuronal excitability. Mice were exposed for 2, 4, or 8 weeks and assessed with a Novel Object Recognition test and dentate gyrus patch-clamp recordings. The…
The Use of Induction Sensors and Helmet-Based Shielding Technology to Identify Differences in Electromagnetic Fields in Patients With Cranial Neurological Disease Versus Healthy Controls.
Research
RF Safe Research Library
Jan 1, 2023
This observational study used induction sensors with a Mu-metal and copper mesh shielded helmet to measure cortically generated EMFs in patients with cranial neurological disease and compare patterns to previously obtained healthy control data. Fourteen patients (ages 14–81) were analyzed and compared with four…
A Swine Model of Changes in the Neuronal Electromagnetic Field After Traumatic Brain Injury: A Pilot Study.
Research
RF Safe Research Library
Jan 1, 2023
This pilot swine study evaluated whether non-contact proprietary induction sensors in a Mu-metal/copper mesh helmet can measure endogenous neuronal EMF signals before and after controlled cortical impact traumatic brain injury. The authors report that swine EMF recordings were distinguishable from room noise and…
Measuring the Electromagnetic Field of Human Subjects Using Induction Sensors and a Shielded Helmet Without the Need for a Shielded Room.
Research
RF Safe Research Library
Jan 1, 2022
This study evaluated whether a lightweight Mu-metal and copper mesh shielded helmet with EMF channels could reduce external electromagnetic interference enough to measure cortically generated EMF using non-contact induction sensors without a shielded room. In five volunteers performing motor, verbalization, and…
Measuring the Electromagnetic Field of the Human Brain at a Distance Using a Shielded Electromagnetic Field Channel.
Research
RF Safe Research Library
Jan 1, 2022
This study describes a non-contact, non-invasive method to measure electromagnetic activity attributed to the human brain using a lightweight helmet and a shielded EMF channel around a sensor. Volunteers performed metronome-synchronized tasks intended to elicit movement, thoughts of movement, and emotional thought.…
After-effect induced by microwave radiation in human electroencephalographic signal: a feasibility study.
Research
RF Safe Research Library
Jan 1, 2018
This feasibility study tested whether microwave radiation (450 MHz, 40 Hz modulation; 1 g peak spatial average SAR 0.3 W/kg) can induce detectable event-related potentials in EEG. In one subject across four sessions, EEG responses time-locked to exposure offset showed increased alpha-band signal and about a twofold…
Long-Term Evolution Electromagnetic Fields Exposure Modulates the Resting State EEG on Alpha and Beta Bands.
Research
RF Safe Research Library
Jan 1, 2017
This study evaluated whether exposure to EMF from an LTE system (described as equivalent to maximum LTE mobile phone emission) alters resting-state EEG. The abstract reports reduced spectral power and reduced interhemispheric coherence in alpha and beta bands in frontal and temporal regions. It also reports no…
Effect Of Electromagnetic Waves Emitted From Mobile Phone On Brain Stem Auditory Evoked Potential In Adult Males.
Research
RF Safe Research Library
Jan 1, 2015
This study examined whether electromagnetic waves from a mobile phone affect brainstem auditory evoked potentials (BAEP) in adult males aged 20–40 years. The right ear was exposed for about 10 minutes and BAEP measures were compared before and after exposure. The abstract reports significant changes in several BAEP…
Sensory transduction of weak electromagnetic fields: role of glutamate neurotransmission mediated by NMDA receptors.
Research
RF Safe Research Library
Jan 1, 2014
This rat EEG study reports that weak electromagnetic fields elicited evoked potentials in awake animals but not under anesthesia that included ketamine. Xylazine anesthesia did not eliminate EMF-evoked potentials, whereas ketamine (an NMDA receptor antagonist) was associated with absence of both EMF-evoked and…
Effect of Bluetooth headset and mobile phone electromagnetic fields on the human auditory nerve.
Research
RF Safe Research Library
Jan 1, 2014
This randomized trial assessed short-term effects of electromagnetic fields from a mobile phone versus a Bluetooth headset on cochlear nerve activity during vestibular neurectomy in 12 patients. Bluetooth headset exposure showed no significant change in CNAP amplitude or latency. Direct mobile phone exposure was…
[The problem of participation of different brain regions in the reactions to the low-intensity magnetic and electromagnetic field exposure].
Research
RF Safe Research Library
Jan 1, 2012
This animal experiment assessed integral and pulsed bioelectric activity across rabbit brain regions during exposure to low-intensity magnetic and electromagnetic fields. The authors report that brain-region participation in CNS reactions varied across exposure parameters and conditions and depended strongly on…
[Dependence of the non-thermal radiofrequency electromagnetic field bioeffects on the typological features of electroencephalogram in humans].
Research
RF Safe Research Library
Jan 1, 2010
This volunteer study examined short-term non-thermal RF EMF exposure and reported changes in EEG spectra. The main reported effect was amplification of alpha-range energy, with the magnitude depending on baseline EEG typological features. The abstract also reports that combining RF EMF exposure with monotonous…
The effect of GSM-like ELF radiation on the alpha band of the human resting EEG.
Research
RF Safe Research Library
Jan 1, 2008
This double-blind, counterbalanced cross-over study investigated whether extremely low frequency (DC to at least 40 kHz) fields emitted by GSM handsets affect resting EEG. In 72 healthy volunteers, the authors report a decrease in the alpha band during 20 minutes of ELF exposure in the exposed hemisphere only. They…