Jove
Visualize
Contact Us

Related Experiment Videos

Changes in human EEG caused by low level modulated microwave stimulation.

Hiie Hinrikus1, Maie Parts, Jaanus Lass

  • 1Biomedical Engineering Centre, Tallinn Technical University, Tallinn, Estonia. hiie@bmt.cb.ttu.ee

Bioelectromagnetics
|August 10, 2004
PubMed
Summary

Low-level microwave radiation exposure showed subtle effects on human EEG alpha and theta rhythms, particularly in frontal regions after repeated stimulation. While not statistically significant for the group, individual responses varied, indicating potential subject-specific sensitivities.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A time-scale representation of EEG Higuchi fractal dimension.

Scientific reports·2026
Same author

Identifying EEG Connections Associated with the Balance Between Alpha Functional Connectivity and Small-Worldness.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Temporal Stability of Higuchi's Fractal Dimension in EEG Signals of Healthy Individuals<sup></sup>.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Individual stability of single-channel EEG measures over one year in healthy adults.

Scientific reports·2025
Same author

Assessing Parkinson's Rest Tremor from the Wrist with Accelerometry and Gyroscope Signals in Patients with Deep Brain Stimulation: An Observational Study.

Journal of clinical medicine·2025
Same author

Correlation Between EEG Functional Connectivity and Fasting Blood Glucose in Healthy Subjects.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Area of Science:

  • Neuroscience
  • Biophysics
  • Electromagnetics

Background:

  • Human electroencephalography (EEG) is crucial for understanding brain activity.
  • Investigating the biological effects of non-ionizing radiation, such as microwaves, is an emerging area of research.
  • Understanding the impact of electromagnetic fields on neural rhythms is important for public health and safety.

Purpose of the Study:

  • To investigate the effects of low-level microwave radiation on human EEG alpha and theta rhythms.
  • To analyze changes in EEG energy levels in response to microwave stimulation.
  • To explore individual variability in EEG responses to microwave exposure.

Main Methods:

  • Twenty healthy volunteers participated in the study.
  • Exposure to 450 MHz microwaves with 7 Hz on-off modulation at 0.16 mW/cm2 power density.

Related Experiment Videos

  • EEG signals were recorded from multiple channels (FP1, FP2, P3, P4, T3, T4, O1, O2) during photic and microwave stimulation protocols.

    • Main Results:

    • Microwave stimulation primarily affected EEG activity in the frontal region, while photic stimulation influenced the occipital region.
    • Observed changes in EEG energy levels were more regular on the alpha rhythm.
    • Effects of microwave stimulation became apparent from the third stimulation cycle, with significant individual variations in response.

    Conclusions:

    • Low-level microwave exposure did not induce statistically significant changes in overall EEG activity across the group.
    • Individual responses to microwave stimulation varied considerably, suggesting personalized sensitivity.
    • Further research is needed to understand the mechanisms and implications of observed individual EEG changes.