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

Tri-polar concentric ring electrode development for laplacian electroencephalography.

Walter G Besio1, Kanthaiah Koka, Rajesh Aakula

  • 1Biomedical Engineering Department, Louisiana Tech University, Ruston, LA 71270, USA. walterb@latech.edu

IEEE Transactions on Bio-Medical Engineering
|May 12, 2006
PubMed
Summary

A novel tri-polar electrode configuration significantly enhances spatial resolution in electroencephalography (EEG) for improved brain activity localization. This advancement offers better signal-to-noise ratio and accuracy in diagnosing neurological conditions.

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

Multi-Frequency Electrocochleography Results in Fewer Drop Alarms During Cochlear Implant Insertion.

The Laryngoscope·2026
Same author

Intraoperative Electrocochleography Audiogram: Correlation With Postoperative Audiometric Results in Patients With Residual Hearing.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2025
Same author

Development of a Novel Algorithm for Tip Fold-Over Detection in Cochlear Implants and Evaluation on Bench and Multiple Clinical Data Bases.

Audiology research·2025
Same author

Detection of Extracochlear Electrodes Using Electrical Field Imaging (EFI).

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2025
Same author

A Novel Algorithm to Analyze Multi-Frequency Electrocochleography Measurements to Monitor Electrode Placement During Cochlear Implant Surgery.

Brain sciences·2024
Same author

Using Stapes Velocity to Estimate the Efficacy of Mechanical Stimulation of the Round Window With an Active Middle Ear Implant.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2023

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Signal Processing

Background:

  • Electroencephalography (EEG) is crucial for diagnosing brain disorders but suffers from low spatial resolution.
  • Existing methods like bipolar and quasi-bipolar configurations aim to improve spatial selectivity.
  • Accurate localization of brain activity remains a challenge in EEG.

Purpose of the Study:

  • To introduce and evaluate a tri-polar concentric electrode configuration for approximating the analytical Laplacian.
  • To enhance the spatial resolution and accuracy of EEG measurements.
  • To compare the performance of the tri-polar configuration against existing methods.

Main Methods:

  • Development of a nine-point finite difference method (NPM) for Laplacian approximation.

Related Experiment Videos

  • Utilizing computer models with a 400x400 mesh for simulation.
  • Conducting tank experiments and recording movement-related potential (MRP) signals in human subjects.

    • Main Results:

    • The tri-polar configuration with NPM demonstrated significantly improved accuracy in Laplacian estimation and localization.
    • Computer models and tank experiments validated the superiority of the tri-polar method.
    • EEG recordings showed a superior signal-to-noise ratio and spatial selectivity with the tri-polar configuration.

    Conclusions:

    • The tri-polar concentric electrode configuration represents a significant advancement in EEG spatial resolution.
    • This technique offers enhanced accuracy for localizing brain activity and improving diagnostic capabilities.
    • Further research can leverage this method for more precise neurological assessments.