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Updated: Jun 12, 2026

Functional Mapping with Simultaneous MEG and EEG

Functional Mapping with Simultaneous MEG and EEG

Published on: June 14, 2010

Functional Mapping with Simultaneous MEG and EEG.

Hesheng Liu¹, Naoaki Tanaka, Steven Stufflebeam

¹Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, MA, USA.

Journal of Visualized Experiments : Jove

|June 23, 2010

Summary

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This study uses magnetoencephalography (MEG) and electroencephalography (EEG) to map brain activity for sensory processing. These techniques help identify functional areas in the brain for both clinical and research applications.

Area of Science:

Neuroscience
Neuroimaging
Brain Mapping

Background:

Functional mapping of the brain is crucial for understanding sensory processing and for clinical applications in patients with neurological conditions.
Magnetoencephalography (MEG) and electroencephalography (EEG) are advanced neuroimaging techniques used to study brain activity with high temporal resolution.

Purpose of the Study:

To precisely locate and determine the temporal dynamics of brain areas involved in processing somatosensory, auditory, and visual stimuli.
To demonstrate the utility of combined MEG/EEG for functional brain mapping in both clinical and basic neuroscience research.

Main Methods:

Utilized somatosensory, auditory, and visual stimuli to evoke responses in specific brain regions.
Employed magnetoencephalography (MEG) and electroencephalography (EEG) for high temporal resolution data acquisition.

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Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

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Published on: October 24, 2012

Recording Human Electrocorticographic (ECoG) Signals for Neuroscientific Research and Real-time Functional Cortical Mapping

Recording Human Electrocorticographic (ECoG) Signals for Neuroscientific Research and Real-time Functional Cortical Mapping

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Last Updated: Jun 12, 2026

Functional Mapping with Simultaneous MEG and EEG

Functional Mapping with Simultaneous MEG and EEG

Published on: June 14, 2010

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

Recording Human Electrocorticographic (ECoG) Signals for Neuroscientific Research and Real-time Functional Cortical Mapping

Recording Human Electrocorticographic (ECoG) Signals for Neuroscientific Research and Real-time Functional Cortical Mapping

Published on: June 26, 2012

Integrated anatomical Magnetic Resonance Imaging (MRI) data for accurate source localization and visualization.

Main Results:

Successfully mapped somatosensory hand areas, auditory cortices, and early visual areas using evoked-response data.
Demonstrated the application of equivalent current dipole (ECD) and cortically-constrained minimum-norm estimates (MNE) for data analysis.
Validated the combined MEG/EEG approach for detailed functional brain analysis.

Conclusions:

Combined MEG/EEG provides a robust method for detailed functional brain mapping of sensory pathways.
This approach is valuable for identifying eloquent cortices in clinical populations and for advancing basic neuroscience research on cortical orchestration.