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

Method to reduce blur distortion from EEG's using a realistic head model

J Le1, A Gevins

  • 1EEG Systems Laboratory and SAM Technology, San Francisco, CA 94107.

IEEE Transactions on Bio-Medical Engineering
|June 1, 1993
PubMed
Summary
This summary is machine-generated.

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

Evaluating a Tobacco-free Policy Intervention in Residential Substance Use Disorder Programs.

Journal of drug issues·2026
Same author

[Long-term hypomethylating agents in patients with myelodysplastic syndromes: a multi-center retrospective study].

Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi·2024
Same author

High glucose inhibits the survival of HRMCs and its mechanism.

European review for medical and pharmacological sciences·2022
Same author

[Establishment of an auxiliary diagnosis system of newborn screening for inherited metabolic diseases based on artificial intelligence technology and a clinical trial].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2021
Same author

Corrigendum to: Outcomes in patients with severe COVID-19 disease treated with tocilizumab: a case-controlled study.

QJM : monthly journal of the Association of Physicians·2021
Same author

Outcomes in patients with severe COVID-19 disease treated with tocilizumab: a case-controlled study.

QJM : monthly journal of the Association of Physicians·2020
Same journal

Fast Prospective Motion Correction for MRI Based on Electromagnetic Induction Coils with Low Footprint and In-place Calibration.

IEEE transactions on bio-medical engineering·2026
Same journal

Digital Twin Modeling of MR Gradient Coils for Accurate Gradient Safety Evaluation of Implantable Medical Devices.

IEEE transactions on bio-medical engineering·2026
Same journal

A Method for Improving Human Joint Moment Estimation during Lower Limb Rehabilitation Training Based on sEMG Signals.

IEEE transactions on bio-medical engineering·2026
Same journal

Assessment of skin stiffness in systemic sclerosis using optical coherence elastography: A comparative study with histology and clinical parameters.

IEEE transactions on bio-medical engineering·2026
Same journal

Modeling Dyadic Interdependence in Endocrine Functioning: A Multilevel Machine Learning Study of Adults with Cancer and Their Caregivers.

IEEE transactions on bio-medical engineering·2026
Same journal

A Kalman Filter-Based Framework for Granger Causality Assessment: Application in Tracking Maternal-Fetal Heart Rate Coupling.

IEEE transactions on bio-medical engineering·2026
See all related articles

A new Deblurring method reduces spatial distortion in scalp-recorded brain potentials (EEG). This technique improves the accuracy of brain activity measurements by estimating cortical surface potentials from skull-transmitted signals.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Medical Imaging

Background:

  • Scalp-recorded electroencephalography (EEG) signals are distorted by the skull and tissues.
  • Accurate localization of brain activity from EEG is challenging due to this spatial blur.

Purpose of the Study:

  • To develop a mathematical procedure, termed
  • Deblurring,
  • to reduce spatial blur distortion in scalp-recorded brain potentials.
  • To estimate brain potentials at the cerebral cortical surface from scalp EEG.

Main Methods:

  • Developed a
  • Deblurring
  • mathematical procedure.
  • Utilized finite element models of individual scalp, skull, and cortical surfaces derived from MRI scans.

Related Experiment Videos

  • Validated the method through numerical simulations and comparison with direct cortical recordings.

    • Main Results:

    • Simulations confirmed the numerical stability of the Deblurring procedure.
    • Comparison with direct cortical recordings in a neurosurgery patient indicated the procedure's validity.
    • Application to somatosensory evoked potentials showed a significant enhancement in spatial detail.

    Conclusions:

    • The Deblurring method effectively reduces spatial distortion in EEG signals.
    • The technique provides a valid and promising approach for improving the spatial resolution of scalp-recorded brain potentials.
    • Further development of Deblurring is warranted for enhanced brain activity analysis.