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

EEG and implanted sources in the brain.

M van Burik1, M Peters

  • 1Low Temperature Division, Faculty of Applied Physics, University of Twente, Twente, The Netherlands.

Archives of Physiology and Biochemistry
|August 1, 2000
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

The role of nuclear medicine in the diagnosis of cancer of unknown origin.

The quarterly journal of nuclear medicine and molecular imaging : official publication of the Italian Association of Nuclear Medicine (AIMN) [and] the International Association of Radiopharmacology (IAR), [and] Section of the Society of...·2004
Same author

Glial cell dysfunction in schizophrenia indicated by increased S100B in the CSF.

Molecular psychiatry·2004
Same author

[Diagnostic image (177). A lifeless infant. Shaken baby syndrome].

Nederlands tijdschrift voor geneeskunde·2004
Same author

Hyperglycemia is associated with increased morbidity and mortality rates in neonates with necrotizing enterocolitis.

Journal of pediatric surgery·2004
Same author

Does handedness influence the strength of phantom limb illusions in the virtual reality box?

Brain and cognition·2004
Same author

Scintigraphic measurement of tracheal mucus velocity in vivo.

The European respiratory journal·2004
Same journal

Correction.

Archives of physiology and biochemistry·2026
Same journal

Protein cotargeting of mechanotransduction pathways improves functional orthopedic repair while enhancing anesthetic physiological stability.

Archives of physiology and biochemistry·2026
Same journal

Protective effect of quercetin on ulcerative colitis via p38 MAPK-MK2/MK3 signalling pathway: mechanism of anti-inflammatory cellular action.

Archives of physiology and biochemistry·2026
Same journal

The therapeutic effect of phytochemicals on aflatoxin B1-induced intestinal injury: the roles of oxidative stress and inflammation.

Archives of physiology and biochemistry·2026
Same journal

The role of SOST protein (osteocalcin) regulatory mechanism in enhancing bone strength during endurance training: Wnt/β-catenin pathway.

Archives of physiology and biochemistry·2026
Same journal

Influence of placental lipid transport dysfunction on maternal brain inflammation during pregnancy complications.

Archives of physiology and biochemistry·2026
See all related articles

Validating electroencephalography (EEG) source localization models is crucial. This study used implanted current dipoles in epilepsy patients to evaluate EEG models, confirming Ohmic currents and dipole validity.

Area of Science:

  • Neuroscience
  • Biophysics
  • Medical Imaging

Background:

  • Electroencephalography (EEG) source localization relies on simplified models with potential inaccuracies.
  • Validating these EEG models is essential for reliable clinical application.
  • Implanted electrodes in epilepsy patients offer a unique opportunity for direct model validation.

Purpose of the Study:

  • To evaluate different volume conductor models for EEG source localization.
  • To validate key assumptions in EEG modeling using in-vivo data.
  • To assess the accuracy of localizing current dipoles within the brain.

Main Methods:

  • Utilized data from implanted intracerebral and subdural electrodes in epileptic patients.
  • Modeled current dipoles using adjacent electrodes as source and sink.

Related Experiment Videos

  • Compared scalp potential distributions from measurements with forward computations.
  • Focused on accurate skull modeling due to large trephine holes.

    • Main Results:

    • Validated that electric currents within the head are Ohmic.
    • Confirmed that a dipole model accurately represents activity from electrode pairs.
    • Demonstrated the utility of implanted dipole data for evaluating EEG volume conductor models.

    Conclusions:

    • The study provides crucial validation for EEG source localization models.
    • Findings support the use of Ohmic current assumptions and dipole models in EEG analysis.
    • This research enhances the reliability of EEG for pre-surgical evaluation in epilepsy.