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DUNEuro-A software toolbox for forward modeling in bioelectromagnetism.

Sophie Schrader¹, Andreas Westhoff^1,2,3, Maria Carla Piastra^1,2,4

¹Institute for Biomagnetism and Biosignalanalysis, University of Münster, Munster, Germany.

|June 4, 2021

Summary

DUNEuro is a new open-source software for accurate electroencephalography and magnetoencephalography source analysis. It uses advanced numerical methods for efficient and user-friendly bioelectromagnetism forward solutions.

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Area of Science:

Bioelectromagnetism
Computational Neuroscience
Medical Physics

Background:

Accurate source analysis in electroencephalography (EEG) and magnetoencephalography (MEG) is crucial for understanding brain activity.
Sophisticated, realistic head geometries necessitate advanced numerical methods for precise bioelectromagnetic modeling.

Purpose of the Study:

To introduce DUNEuro, a free, open-source C++ software toolbox for computing forward solutions in bioelectromagnetism.
To provide efficient implementations of finite element methods for EEG and MEG forward problems.
To offer user-friendly and extendable interfaces for seamless integration into existing analysis pipelines.

Main Methods:

Development of DUNEuro based on the DUNE framework.
Implementation of modern fitted and unfitted finite element methods.
Integration of various source models and interfaces for Python and MATLAB.

Main Results:

DUNEuro enables efficient and accurate numerical computation of bioelectromagnetic forward solutions.
The software supports diverse source models and realistic head geometries.
Demonstrated practical application in somatosensory evoked potential analysis using a realistic head model.

Conclusions:

DUNEuro offers a powerful, accessible tool for advanced EEG/MEG source analysis.
Its open-source nature and flexible interfaces promote wider adoption and integration in neuroscience research.
Facilitates more precise brain activity localization through sophisticated numerical modeling.