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

Calibration of a vector-MEG helmet system.

A Pasquarelli1, M De Melis, L Marzetti

  • 1Division for Biosignals and Imaging Technologies, ZIBMT, University of Ulm, Germany.

Neurology & Clinical Neurophysiology : NCN
|July 14, 2005
PubMed
Summary

Calibration of the Argos 500 magnetoencephalography (MEG) system is crucial for accurate clinical measurements. This study details a novel calibration process to ensure optimal performance of the 163-sensor array for routine patient investigations.

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

Investigating the impact of the regularization parameter on EEG resting-state source reconstruction and functional connectivity using real and simulated data.

NeuroImage·2024
Same author

Functionalization of boron-doped nanocrystalline diamond with N3 dye molecules.

ACS applied materials & interfaces·2014
Same author

Optical multichannel room temperature magnetic field imaging system for clinical application.

Biomedical optics express·2014
Same author

Third order spectral analysis robust to mixing artifacts for mapping cross-frequency interactions in EEG/MEG.

NeuroImage·2014
Same author

The neuroanatomy of subthreshold depressive symptoms in Huntington's disease: a combined diffusion tensor imaging (DTI) and voxel-based morphometry (VBM) study.

Psychological medicine·2013
Same author

Adding dynamics to the Human Connectome Project with MEG.

NeuroImage·2013

Area of Science:

  • Biophysics
  • Medical Imaging
  • Neuroscience Instrumentation

Background:

  • The Argos 500 magnetoencephalography (MEG) system is designed for high-throughput clinical use.
  • Accurate calibration is essential for reliable MEG data acquisition in routine patient studies.
  • The system features a 163-vector magnetometer array for comprehensive head coverage.

Purpose of the Study:

  • To detail the calibration system and process for the Argos 500 MEG system.
  • To determine the actual geometry and sensor sensitivity of the magnetometer array.
  • To ensure high performance and reliability for clinical MEG investigations.

Main Methods:

  • Development and implementation of a calibration procedure for the Argos 500 MEG system.
  • Utilized a calibrating source comprising 31 coils arranged on a dodecahedron.

Related Experiment Videos

  • Determined deviations in sensor array geometry and individual sensor sensitivities.

    • Main Results:

    • The calibration process successfully addressed potential deviations from design specifications.
    • Actual sensor geometry and individual sensitivities were accurately determined.
    • Established a reliable method for optimizing MEG system performance.

    Conclusions:

    • The presented calibration method is vital for the clinical application of the Argos 500 MEG system.
    • Accurate calibration ensures the reliability and sensitivity required for routine patient investigations.
    • This work facilitates high-performance MEG diagnostics in a clinical setting.