Search research articles

Search research articles

Related Experiment Videos

NUTMEG: a neuromagnetic source reconstruction toolbox.

S S Dalal¹, J M Zumer, V Agrawal

¹University of California, San Francisco, CA 94143-0628, USA.

Neurology & Clinical Neurophysiology : NCN

|July 14, 2005

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

Retraction Note: Epithelial-to-mesenchymal transition based diagnostic and prognostic signature markers in non-muscle invasive and muscle invasive bladder cancer patients.

Molecular biology reports·2025

Same author

Papillary Carcinoma of Thyroglossal Duct Cyst- A Diagnostic and Therapeutic Conundrum.

Kathmandu University medical journal (KUMJ)·2023

Same author

Femoral Access-Site Complications with Tenecteplase versus Alteplase before Mechanical Thrombectomy for Large-Vessel-Occlusion Stroke.

AJNR. American journal of neuroradiology·2023

Same author

Bovine cerebral theileriosis: first molecular report in cross bred cattle calf in India.

Journal of parasitic diseases : official organ of the Indian Society for Parasitology·2023

Same author

ACR White Paper on Magnetoencephalography and Magnetic Source Imaging: A Report from the ACR Commission on Neuroradiology.

AJNR. American journal of neuroradiology·2022

Same author

EFFICACY OF AUTOLOGOUS STEM CELL TRANSPLANTATION IN ADULT BURKITT/BURKITT-LIKE LYMPHOMA: A SYSTEMATIC REVIEW.

Experimental oncology·2022

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

NUTMEG is a MATLAB toolbox for analyzing magnetoencephalography (MEG) data. It reconstructs neural activity spatiotemporally and visualizes it on MRI scans for neuroanatomy correspondence.

Area of Science:

Neuroscience
Biomedical Engineering
Medical Imaging

Background:

Magnetoencephalography (MEG) is crucial for understanding brain dynamics.
Accurate spatiotemporal reconstruction and visualization of neural activity are essential.
Integration with structural Magnetic Resonance Imaging (MRI) enhances anatomical localization.

Purpose of the Study:

To introduce NUTMEG (Neurodynamic Utility Toolbox for Magnetoencephalography), a novel analysis toolbox.
To enable the reconstruction of neural activation spatiotemporal dynamics.
To facilitate the overlay of MEG-derived activity onto structural MRI for improved visualization and interpretation.

Main Methods:

NUTMEG utilizes an eigenspace vector beamforming algorithm for tomographic reconstruction.

Related Experiment Videos

The toolbox coregisters the MEG coordinate frame with anatomical MRI using fiducial and head shape information.

It supports data from various MEG systems (4-D Neuroimaging, CTF, KIT) and runs on multiple platforms (Linux, Mac OS X, Windows) via MATLAB and SPM2.

Main Results:

Successful reconstruction of spatiotemporal magnetic source activity.
Superimposition of neural activity onto MRI scans for clear visual correspondence to neuroanatomy.
Interactive navigation through MR volumes to update time series of activation and generation of animations to visualize neural activity evolution.

Conclusions:

NUTMEG provides a comprehensive solution for advanced MEG data analysis and visualization.
The toolbox enhances the understanding of neural dynamics by integrating functional MEG data with structural MRI.
Its open-source nature and customizability foster further development and application in neuroscience research.