Jove
Visualize
Contact Us
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

Related Experiment Videos

Differential entrainment of electroencephalographic activity by weak complex electromagnetic fields

M A Persinger1, P M Richards, S A Koren

  • 1Department of Psychology, Laurentian University, Sudbury, Ontario, Canada.

Perceptual and Motor Skills
|April 1, 1997
PubMed
Summary

Normal subjects showed compensatory susceptibility to electroencephalographic (EEG) driving and entrainment from complex magnetic fields. Those experiencing these effects reported more fear and unusual tastes during stimulation.

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

Increased photon emission from the head while imagining light in the dark is correlated with changes in electroencephalographic power: support for Bókkon's biophoton hypothesis.

Neuroscience letters·2012
Same author

Correlated cerebral events between physically and sensory isolated pairs of subjects exposed to yoked circumcerebral magnetic fields.

Neuroscience letters·2010
Same author

10-20 Joules as a neuromolecular quantum in medicinal chemistry: an alternative approach to myriad molecular pathways?

Current medicinal chemistry·2010
Same author

Emerging synergisms between drugs and physiologically-patterned weak magnetic fields: implications for neuropharmacology and the human population in the twenty-first century.

Current neuropharmacology·2009
Same author

Prenatal exposures to LTP-patterned magnetic fields: quantitative effects on specific limbic structures and acquisition of contextually conditioned fear.

The International journal of neuroscience·2009
Same author

Insidious weight gain in prepubertal seized rats treated with an atypical neuroleptic: the role of food consumption, fluid consumption, and spontaneous ambulatory activity.

Epilepsy & behavior : E&B·2008

Area of Science:

  • Neuroscience
  • Electrophysiology
  • Biophysics

Background:

  • The brain's electrical activity, measured by electroencephalography (EEG), can be influenced by external stimuli.
  • Understanding how the brain responds to weak, time-varying magnetic fields is crucial for exploring non-invasive brain stimulation techniques.

Purpose of the Study:

  • To investigate whether normal subjects exhibit compensatory susceptibility to EEG driving and entrainment following successive stimulation by complex magnetic fields.
  • To identify characteristics that differentiate individuals who show EEG driving and entrainment from those who do not.

Main Methods:

  • Volunteers were exposed to weak (1 microT) time-varying complex magnetic fields.
  • EEG recordings were used to assess brain activity during and after magnetic field stimulation.

Related Experiment Videos

  • Participants reported subjective experiences, including fear, taste alterations, and sense of presence.

    • Main Results:

    • 43% of volunteers demonstrated EEG driving during magnetic field application and entrainment post-cessation.
    • Individuals exhibiting driving and entrainment were more likely to report fear and odd tastes.
    • A history of a sense of presence and experiencing intense meaningfulness were associated with these responses.

    Conclusions:

    • Compensatory susceptibility to magnetic field-induced EEG driving and entrainment occurs in a subset of normal subjects.
    • Subjective experiences during stimulation may serve as indicators of susceptibility.
    • Further research is needed to elucidate the neural mechanisms underlying these phenomena.