ArticleHuman brain mapping2022
Magnetoencephalography can reveal deep brain network activities linked to memory processes.
Article in Human brain mapping, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 25 citations in OpenAlex.
- Assessing Strengths and Limitations of Magnetoencephalography Source Imaging With Intracerebral EEG.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Selective Modulation of Evidence Accumulation by Hippocampal Theta Oscillations During Mnemonic Decision-Making.Human brain mapping · 2026Article
- Potential ofEpilepsia open · 2025Article
- Exploring Deep Magnetoencephalography via Thalamo-Cortical Sleep Spindles.Human brain mapping · 2025Article
- Article
- Association between theta-band resting-state functional connectivity and declarative memory abilities in children.Imaging neuroscience (Cambridge, Mass.) · 2025Article
- Different sustained and induced alpha oscillations emerge in the human auditory cortex during sound processing.Communications biology · 2024Article
- Simultaneous invasive and non-invasive recordings in humans: A novel Rosetta stone for deciphering brain activity.Journal of neuroscience methods · 2024Review
- EEG/MEG source imaging of deep brain activity within the maximum entropy on the mean framework: Simulations and validation in epilepsy.Human brain mapping · 2024Article
- Neural correlates of retrospective memory confidence during face-name associative learning.Cerebral cortex (New York, N.Y. : 1991) · 2024Article
- Identification of Early Hippocampal Dynamics during Recognition Memory with Independent Component Analysis.eNeuro · 2024Article
- Combining independent component analysis and source localization for improving spatial sampling of stereoelectroencephalography in epilepsy.Scientific reports · 2024Article
- Cortical and Subcortical Changes in MEG Activity Reflect Parkinson's Progression over a Period of 7 Years.Brain topography · 2023Article
- Age-related changes of deep-brain neurophysiological activity.Cerebral cortex (New York, N.Y. : 1991) · 2023Article
- Studying memory processes at different levels with simultaneous depth and surface EEG recordings.Frontiers in human neuroscience · 2023Article
- Magnetoencephalography can reveal deep brain network activities linked to memory processes.Human brain mapping · 2022Article
Corrections and comments
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Authors and funding
11 authors at 5 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recording from deep neural structures such as hippocampus noninvasively and yet with high temporal resolution remains a major challenge for human neuroscience. Although it has been proposed that deep neuronal activity might be recordable during cognitive tasks using magnetoencephalography (MEG), this remains to be demonstrated as the contribution of deep structures to MEG recordings may be too small to be detected or might be eclipsed by the activity of large-scale neocortical networks. In the present study, we disentangled mesial activity and large-scale networks from the MEG signals thanks to blind source separation (BSS). We then validated the MEG BSS components using intracerebral EEG signals recorded simultaneously in patients during their presurgical evaluation of epilepsy. In the MEG signals obtained during a memory task involving the recognition of old and new images, we identified with BSS a putative mesial component, which was present in all patients and all control subjects. The time course of the component selectively correlated with stereo-electroencephalography signals recorded from hippocampus and rhinal cortex, thus confirming its mesial origin. This finding complements previous studies with epileptic activity and opens new possibilities for using MEG to study deep brain structures in cognition and in brain disorders.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.