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

Transforming electrocortical mapping data into standardized common space.

E K Ritzl1, A M Wohlschlaeger, N E Crone

  • 1Department of Neurology, Johns Hopkins University, School of Medicine, Johns Hopkins Epilepsy Center, Baltimore, Maryland 21287, USA. eritzl1@jhmi.edu

Clinical EEG and Neuroscience
|September 12, 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

The effect of perceived auditory feedback on speech Brain-Computer Interface decoding performance.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2025
Same author

Quantifying physical degradation alongside recording and stimulation performance of 980 intracortical microelectrodes chronically implanted in three humans for 956-2246 days.

medRxiv : the preprint server for health sciences·2024
Same author

Differential Sources for 2 Neural Signatures of Target Detection: An Electrocorticography Study.

Cerebral cortex (New York, N.Y. : 1991)·2017
Same author

Ictal propagation of high frequency activity is recapitulated in interictal recordings: effective connectivity of epileptogenic networks recorded with intracranial EEG.

NeuroImage·2014
Same author

Abstracts of Presentations at the International Conference on Basic and Clinical Multimodal Imaging (BaCI), a Joint Conference of the International Society for Neuroimaging in Psychiatry (ISNIP), the International Society for Functional Source Imaging (ISFSI), the International Society for Bioelectromagnetism (ISBEM), the International Society for Brain Electromagnetic Topography (ISBET), and the EEG and Clinical Neuroscience Society (ECNS), in Geneva, Switzerland, September 5-8, 2013.

Clinical EEG and neuroscience·2013
Same author

EEG analysis reveals widespread directed functional interactions related to a painful cutaneous laser stimulus.

Journal of neurophysiology·2013
Same journal

Isolated Paroxysmal Right Upward Eye Deviation as the Sole Semiology of Childhood Occipital Epilepsy: An Electroclinical Case Report.

Clinical EEG and neuroscience·2026
Same journal

Hyperkinetic Seizures in Insular and Insulo-Opercular Seizure Onset: A Systematic Review.

Clinical EEG and neuroscience·2026
Same journal

Aperiodic Correction of Posterior Theta/Alpha Ratio Reduces Arousal-State Dependency in Routine EEG-Based Dementia Screening.

Clinical EEG and neuroscience·2026
Same journal

QEEG Guided Neurofeedback to Enhance Intellectual Functioning in Children with Intellectual Disability.

Clinical EEG and neuroscience·2026
Same journal

Brain Activity Changes Induced by Transcranial Direct Current Stimulation in Post-Stroke Motor Recovery: A Narrative Review.

Clinical EEG and neuroscience·2026
Same journal

EEG Profile Associated with the Developmental Outcomes of Preschool Children Born Very Preterm.

Clinical EEG and neuroscience·2026
See all related articles

This study developed a method to standardize subdural grid electrode locations from CT scans into common stereotactic space. This improves cross-patient comparisons for epilepsy pre-surgical workups.

Area of Science:

  • Neurosurgery
  • Medical Imaging
  • Epilepsy Research

Background:

  • Subdural grid electrodes are crucial for pre-surgical epilepsy evaluation.
  • Current methods of visualizing electrode placement lack cross-patient comparability.
  • Co-registering pre-operative MRI with post-implantation CT is standard but limited.

Purpose of the Study:

  • To develop and validate a method for transforming subdural electrode positions into standardized stereotactic space.
  • To enable accurate comparison of electrode locations across different epilepsy patients.
  • To enhance pre-surgical planning and research in epilepsy.

Main Methods:

  • Volumetric CT and MRI images from twelve epilepsy patients were co-registered.
  • Images were normalized into a common stereotactic space.

Related Experiment Videos

  • Electrode locations were statistically verified using anatomical landmarks.

    • Main Results:

    • The developed method successfully transformed electrode positions into standardized space.
    • Statistical verification confirmed the accuracy of the co-registration and normalization process.
    • The method allows for reliable comparison of electrode locations across patients.

    Conclusions:

    • A validated method exists for standardizing subdural electrode positions.
    • This standardization facilitates cross-patient analysis in epilepsy research.
    • The technique improves the utility of imaging in pre-surgical epilepsy workups.