Reliability of magnetoencephalography beta desynchronization for language lateralization in a subsequent memory effect paradigm.
Overview
- Department of Neurosurgery, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
- Department of Neuroradiology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
- Department of Neurology, Epilepsy Center, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
- Full Member of ERN EpiCARE, Germany
- Department of Neurosurgery University Hospital Halle (Saale), Germany
Abstract
Objective: Verb generation is associated with significant lateralized beta desynchronization in language but also motor related areas. Subsequent Memory Effect (SME) paradigms comprise receptive language and memory tasks. The current study examined whether lateralized beta patterns in language and/
Methods: MEG was recorded in 20 healthy right-handed adults during encoding and recognition phases of a word SME task. Measurements were repeated after 7–10 days to assess reliability. Post-stimulus beta (13–35 Hz) decrease was analyzed, and lateralization indices (LI > 0.1 indicating left dominance) were evaluated. Regions of interest (ROI) included IFG pars opercularis and triangularis (IFGO, IFGT), supramarginal gyrus, angular gyrus, superior temporal gyrus, and precentral gyrus (PreCG). An exploratory analysis included additional AAL regions.
Results: Significant beta desynchronization within the ROIs was observed in 65–90% of participants. Lateralization was successful in up to 79% in the IFGT during encoding, 76% during recognition and 100% in the IFGO in encoding-recognition concordant cases. Exploratory analyses showed strong left lateralization in frontal, temporal and especially parietal areas. Initial reliability was limited, yet within-session concordance showed robust dominance with up to 100% concordance. Significant lateralized beta desynchronization was observed in the PreCG in 70–90% of participants.
Conclusion: The SME paradigm shows promise in healthy participants, warranting investigation in patients with atypical language organization.
Significance: Language related beta desynchronization is also observed in a receptive SME-task. Lateralized beta desynchronization in motor areas however suggest their contribution in verbal working memory and semantic control.
Reproduced under the paper's license (CC BY), from the paper cited above.
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The datasets generated and analyzed during the current study are not publicly available due to the requirement for a formal data sharing agreement but are available from the corresponding author on reasonable request.
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Versions
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Version 1, 27 September 2026: the first record
Recorded: type, language, journal, volume, pages, dates, 9 authors, 4 keywords, 2 funders, 49 references.
Cite
This paper
Müller, E., Vergara, P. R., Müller-Voggel, N., Kaltenhäuser, M., Doerfler, A., Hamer, H., Delev, D., Schnell, O., & Rampp, S. (2026). Reliability of magnetoencephalography beta desynchronization for language lateralization in a subsequent memory effect paradigm. Clinical neurophysiology practice, 11, 472-482. https://
BibTeX
@article{muller2026relia
author = {Müller, Emilie and Vergara, Paulina Riegler and Müller-Voggel, Nadia and Kaltenhäuser, Martin and Doerfler, Arnd and Hamer, Hajo and Delev, Daniel and Schnell, Oliver and Rampp, Stefan},
title = {{Reliability of magnetoencephalography beta desynchronization for language lateralization in a subsequent memory effect paradigm}},
journal = {Clinical neurophysiology practice},
year = {2026},
month = jun,
volume = {11},
pages = {472--482},
publisher = {Elsevier},
issn = {2467-981X},
doi = {10.1016/
url = {https://
pmid = {42389228},
pmcid = {PMC13320422}
}
RIS
TY - JOUR
AU - Müller, Emilie
AU - Vergara, Paulina Riegler
AU - Müller-Voggel, Nadia
AU - Kaltenhäuser, Martin
AU - Doerfler, Arnd
AU - Hamer, Hajo
AU - Delev, Daniel
AU - Schnell, Oliver
AU - Rampp, Stefan
TI - Reliability of magnetoencephalography beta desynchronization for language lateralization in a subsequent memory effect paradigm
T2 - Clinical neurophysiology practice
J2 - Clin Neurophysiol Pract
PY - 2026
DA - 2026/
VL - 11
SP - 472
EP - 482
SN - 2467-981X
PB - Elsevier
DO - 10.1016/
UR - https://
LA - en
ER -
CSL-JSON
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