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 Concept Videos

Electrical Conductivity01:13

Electrical Conductivity

1.6K
In perfect conductors, the electric field inside is always zero due to the abundance of free electrons, which nullify any field by flowing. As a result, any residual charge resides on the surface.
In a practical conductor, an applied electric field may be sustained, causing a flow of electrons, which produce a current. The differential form of the current, the current density, is related to the electric field.
More generally, it is related to the force per unit charge, which involves the...
1.6K
Theory of Metallic Conduction01:17

Theory of Metallic Conduction

1.6K
The conduction of free electrons inside a conductor is best described by quantum mechanics. However, a classical model makes predictions close to the results of quantum mechanics. It is called the theory of metallic conduction.
In this theory, Newton's second law of motion is used to determine the acceleration of an electron in the presence of an applied electric field. Then, its velocity is expressed via this acceleration.
An electron moves through the crystal, containing positive ions,...
1.6K
Resistivity01:22

Resistivity

4.2K
When a voltage is applied to a conductor, an electrical field is generated, and charges in the conductor feel the force due to the electrical field. The current density that results depends on the electrical field and the properties of the material. In some materials, including metals at a given temperature, the current density is approximately proportional to the electrical field. In these cases, the current density can be modeled as:
4.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Next generation developments in electrical impedance tomography (EIT).

Physiological measurement·2025
Same author

Contrast-free visualization of distal trigeminal nerve segments using MR neurography.

Journal of neuroimaging : official journal of the American Society of Neuroimaging·2024
Same author

Progress in electrical impedance tomography and bioimpedance.

Physiological measurement·2024
Same author

A Cationic Amphiphilic AIE Polymer for Mitochondrial Targeting and Imaging.

Pharmaceutics·2023
Same author

De novo genome assembly and analyses of 12 founder inbred lines provide insights into maize heterosis.

Nature genetics·2023
Same author

Robo4 inhibits gamma radiation-induced permeability of a murine microvascular endothelial cell by regulating the junctions.

Cellular & molecular biology letters·2023

Related Experiment Video

Updated: Dec 7, 2025

Electrophysiological Recordings of Single-cell Ion Currents Under Well-defined Shear Stress
07:17

Electrophysiological Recordings of Single-cell Ion Currents Under Well-defined Shear Stress

Published on: August 2, 2019

6.5K

Low frequency conductivity reconstruction based on a single current injection via MREIT.

Yizhuang Song1,2, Saurav Z K Sajib3, Haiyang Wang1

  • 1School of Mathematics and Statistics, Shandong Normal University, Jinan, Shandong, 250014, People's Republic of China.

Physics in Medicine and Biology
|September 28, 2020
PubMed
Summary

This study introduces a new single-current injection method for magnetic resonance electrical impedance tomography (MREIT), significantly reducing scan times. This innovation enables high-quality electrical conductivity imaging, compatible with neurostimulation protocols.

More Related Videos

In vitro Functional Characterization of Mouse Colorectal Afferent Endings
14:09

In vitro Functional Characterization of Mouse Colorectal Afferent Endings

Published on: January 21, 2015

10.0K
Performing In Vivo and Ex Vivo Electrical Impedance Myography in Rodents
05:44

Performing In Vivo and Ex Vivo Electrical Impedance Myography in Rodents

Published on: June 8, 2022

3.3K

Related Experiment Videos

Last Updated: Dec 7, 2025

Electrophysiological Recordings of Single-cell Ion Currents Under Well-defined Shear Stress
07:17

Electrophysiological Recordings of Single-cell Ion Currents Under Well-defined Shear Stress

Published on: August 2, 2019

6.5K
In vitro Functional Characterization of Mouse Colorectal Afferent Endings
14:09

In vitro Functional Characterization of Mouse Colorectal Afferent Endings

Published on: January 21, 2015

10.0K
Performing In Vivo and Ex Vivo Electrical Impedance Myography in Rodents
05:44

Performing In Vivo and Ex Vivo Electrical Impedance Myography in Rodents

Published on: June 8, 2022

3.3K

Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Electrical Engineering

Background:

  • Conventional magnetic resonance electrical impedance tomography (MREIT) requires multiple current injections, leading to prolonged scanning durations.
  • This limitation hinders the integration of MREIT with electrical neuromodulation techniques.

Purpose of the Study:

  • To develop a novel isotropic conductivity reconstruction algorithm for MREIT utilizing only a single current injection.
  • To reduce MREIT scanning time by 50% and facilitate its use with neurostimulation protocols.

Main Methods:

  • An iterative algorithm, a single-current adaptation of the harmonic Bz algorithm, was developed and tested.
  • Forward modeling of electric potentials was employed to detect conductivity changes typically missed with single-current data.

Main Results:

  • The proposed algorithm successfully reconstructed isotropic conductivity images with high accuracy.
  • Computational and experimental results demonstrated good agreement with exact conductivity distributions and two-current MREIT reconstructions in terms of L2 error and structural similarity.

Conclusions:

  • High-quality electrical conductivity images can be reconstructed using MREIT with a single current injection.
  • This single-current approach offers a faster and more adaptable MREIT method, suitable for integration with neurostimulation.