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

Jitter correction: a computer algorithm for reduction of the velocity recovery function artifact.

G R Davis1, D A Ingram, W F Fincham

  • 1Department of Electrical and Electronic Engineering, Queen Mary College, London, England.

Muscle & Nerve
|June 1, 1988
PubMed
Summary

A new algorithm corrects for interdischarge interval (IDI)-dependent jitter in single fiber electromyography, enhancing the reliability of neuromuscular jitter measurements. This correction ensures that previous estimates of normal neuromuscular jitter are likely accurate and unaffected by the velocity recovery function (VRF).

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

Assembling a physical model helps students grasp human somatosensory pathways.

Advances in physiology education·2024
Same author

Effects of silver diammine fluoride with/without potassium iodide on enamel and dentin carious lesions in primary teeth.

Frontiers in oral health·2024
Same author

Composite 3D printing of biomimetic human teeth.

Scientific reports·2022
Same author

Reduction of fibrillar strain-rate sensitivity in steroid-induced osteoporosis linked to changes in mineralized fibrillar nanostructure.

Bone·2019
Same author

Comparison of the Efficacy of Different Fluoride Varnishes on Dentin Remineralization During a Critical pH Exposure Using Quantitative X-Ray Microtomography.

Operative dentistry·2018
Same author

Approaches to 3D printing teeth from X-ray microtomography.

Journal of microscopy·2018

Area of Science:

  • Neurology
  • Biomedical Engineering
  • Electrophysiology

Background:

  • Neuromuscular jitter measurement in single fiber electromyography can be affected by artifacts.
  • The velocity recovery function (VRF) in muscle fibers can introduce interdischarge interval (IDI)-dependent jitter, artifactually increasing measured jitter values.

Purpose of the Study:

  • To develop and validate a computer algorithm for on-line mathematical correction of IDI-dependent jitter.
  • To improve the reliability of neuromuscular jitter estimates in single fiber electromyography.

Main Methods:

  • Development of a computer algorithm for real-time correction of IDI-dependent jitter.
  • Validation using intramuscular stimulation with regular (IDI-excluded) and pseudorandom (IDI-included) stimulation protocols.

Related Experiment Videos

  • Analysis of corrected jitter values in 10 normal subjects during voluntary activity.

    • Main Results:

    • The developed algorithm effectively corrects for IDI-dependent jitter.
    • In normal subjects, corrected jitter values showed no significant difference from measured values.
    • This suggests that the VRF effect has minimal influence on previously reported normal jitter values.

    Conclusions:

    • The new algorithm enhances the accuracy of neuromuscular jitter measurements.
    • Previously published values for normal neuromuscular jitter are considered reliable and not significantly influenced by the VRF effect.
    • This work improves diagnostic capabilities in neuromuscular disorders.