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

An EEG forward solution using second-order anisotropic FEM.

Yingchun Zhang1, Shanan Zhu, Bin He

  • 1College of Electrical Engineering, Zhejiang University, Hangzhou, China.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 3, 2007
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

Resilience of precuneus neurotrophic signaling pathways despite amyloid pathology in prodromal Alzheimer's disease.

Biological psychiatry·2014
Same author

Magnetoacoustic tomography with magnetic induction for high-resolution bioimepedance imaging through vector source reconstruction under the static field of MRI magnet.

Medical physics·2014
Same author

Hollow superparamagnetic PLGA/Fe3O4 composite microspheres for lysozyme adsorption.

Nanotechnology·2014
Same author

[A bird's eye view of the algorithms and software packages for reconstructing phylogenetic trees].

Dong wu xue yan jiu = Zoological research·2014
Same author

Functional and biodegradable dendritic macromolecules with controlled architectures as nontoxic and efficient nanoscale gene vectors.

Biotechnology advances·2014
Same author

[Effects of artificial vegetation on the spatial heterogeneity of soil moisture and salt in coastal saline land of Chongming Dongtan, Shanghai].

Ying yong sheng tai xue bao = The journal of applied ecology·2014
Same journal

Highly Articulated Robotic Probe for Minimally Invasive Surgery.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2010
Same journal

Combined peripheral and cortical neural stimulation in motor neurorehabilitation.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Embedded assessment algorithms within home-based cognitive computer game exercises for elders.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Digital signal processing of the wideband external pulse recorded during cuff deflation: a new way to measure blood pressure.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Immune cells detection of the in vivo rejecting heart in USPIO-enhanced magnetic resonance imaging.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

wHospital: a web-based application with digital signature for drugs dispensing management.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2007
See all related articles

A new second-order finite element method (FEM) algorithm improves accuracy and efficiency for solving anisotropic electroencephalogram (EEG) forward problems. This advanced FEM approach offers better computational performance than first-order methods.

Area of Science:

  • Computational neuroscience
  • Biomedical engineering
  • Electrophysiology

Background:

  • The electroencephalogram (EEG) forward problem is crucial for understanding brain activity.
  • Accurate modeling of anisotropic conductivity in the head is essential for precise EEG source localization.
  • Existing numerical methods, like first-order FEM, face limitations in accuracy and efficiency.

Purpose of the Study:

  • To develop and evaluate a second-order finite element method (FEM) algorithm for the anisotropic EEG forward problem.
  • To compare the numerical accuracy and computational efficiency of the second-order FEM against the first-order FEM.
  • To validate the algorithm using analytic solutions in a multi-sphere head model.

Main Methods:

  • Development of a second-order finite element method (FEM) algorithm.

Related Experiment Videos

  • Implementation of the FEM algorithm to solve the anisotropic EEG forward problem.
  • Validation through comparison with analytic solutions in a concentric multi-sphere head model.

    • Main Results:

    • The second-order FEM algorithm demonstrated substantially enhanced numerical accuracy compared to the first-order FEM.
    • For equivalent numbers of tetrahedron elements, the second-order FEM offered improved computational efficiency.
    • The simulation study confirmed the effectiveness of the developed algorithm.

    Conclusions:

    • The second-order FEM is a superior numerical approach for solving the anisotropic EEG forward problem.
    • This method provides a significant advancement in accuracy and computational efficiency for EEG modeling.
    • The developed algorithm holds promise for more precise brain activity analysis using EEG data.