NDLI: TMS-Induced Modulation of EEG Functional Connectivity Is Affected by the E-Field Orientation.

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TMS-Induced Modulation of EEG Functional Connectivity Is Affected by the E-Field Orientation.

Content Provider	Europe PMC
Author	Pieramico, Giulia Guidotti, Roberto Nieminen, Aino E. D’Andrea, Antea Basti, Alessio Souza, Victor H. Nieminen, Jaakko O. Lioumis, Pantelis Ilmoniemi, Risto J. Romani, Gian Luca Pizzella, Vittorio Marzetti, Laura
Editor	Ferreri, Florinda
Copyright Year	2023
Abstract	Coregistration of transcranial magnetic stimulation (TMS) and electroencephalography (EEG) allows non-invasive probing of brain circuits: TMS induces brain activation due to the generation of a properly oriented focused electric field (E-field) using a coil placed on a selected position over the scalp, while EEG captures the effects of the stimulation on brain electrical activity. Moreover, the combination of these techniques allows the investigation of several brain properties, including brain functional connectivity. The choice of E-field parameters, such as intensity, orientation, and position, is crucial for eliciting cortex-specific effects. Here, we evaluated whether and how the spatial pattern, i.e., topography and strength of functional connectivity, is modulated by the stimulus orientation. We systematically altered the E-field orientation when stimulating the left pre-supplementary motor area and showed an increase of functional connectivity in areas associated with the primary motor cortex and an E-field orientation-specific modulation of functional connectivity intensity.
Journal	Brain Sciences
Volume Number	13
PubMed Central reference number	PMC10046030
Issue Number	3
PubMed reference number	36979228
e-ISSN	20763425
DOI	10.3390/brainsci13030418
Language	English
Publisher	MDPI
Publisher Date	2023-02-28
Access Restriction	Open
Rights License	Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). © 2023 by the authors.
Subject Keyword	TMS-EEG functional connectivity stimulus orientation
Content Type	Text
Resource Type	Article
Subject	Neuroscience

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