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Shared and connection-specific intrinsic interactions in the default mode network

Samogin, Jessica and Liu, Quanying and Marino, Marco and Wenderoth, Nicole and Mantini, Dante (2019) Shared and connection-specific intrinsic interactions in the default mode network. NeuroImage, 200 . pp. 474-481. ISSN 1053-8119. http://resolver.caltech.edu/CaltechAUTHORS:20190709-092242522

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Abstract

Electrophysiological studies revealed that different neuronal oscillations, among which the alpha (8-13 Hz) rhythm in particular, but also the beta (13-30 Hz) and gamma (30-80 Hz) rhythms, are modulated during rest in the default mode network (DMN). Little is known, however, about the role of these rhythms in supporting DMN connectivity. Biophysical studies suggest that lower and higher frequencies mediate long- and short-range connectivity, respectively. Accordingly, we hypothesized that interactions between all DMN areas are supported by the alpha rhythm, and that the connectivity between specific DMN areas is established through other frequencies, mainly in the beta and/or gamma bands. To test this hypothesis, we used high-density electroencefalographic data collected in 19 healthy volunteers at rest. We analyzed frequency-dependent functional interactions between four main DMN nodes in a broad (1-80 Hz) frequency range. In line with our hypothesis, we found that the frequency-dependent connectivity profile between pairs of DMN nodes had a peak at 9-11 Hz. Also, the connectivity profile showed other peaks at higher frequencies, which depended on the specific connection. Overall, our findings suggest that frequency-dependent connectivity analysis may be a powerful tool to better understand how different neuronal oscillations support connectivity within and between brain networks.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.neuroimage.2019.07.007DOIArticle
ORCID:
AuthorORCID
Liu, Quanying0000-0002-2501-7656
Mantini, Dante0000-0001-6485-5559
Additional Information:© 2019 Published by Elsevier Inc. Received 22 December 2018, Revised 24 April 2019, Accepted 4 July 2019, Available online 4 July 2019. The work was supported by the KU Leuven Special Research Fund, Belgium (grant C16/15/070), the Research Foundation Flanders (grants G0F76.16N, G0936.16N, EOS.30446199 and fellowship 12P6719N to QL) and the James G. Boswell Foundation (postdoctoral fellowship to QL).
Funders:
Funding AgencyGrant Number
Katholieke Universiteit LeuvenC16/15/070
Fonds Wetenschappelijk Onderzoek (FWO)G0F76.16N
Fonds Wetenschappelijk Onderzoek (FWO)G0936.16N
Fonds Wetenschappelijk Onderzoek (FWO)EOS.30446199
Fonds Wetenschappelijk Onderzoek (FWO)12P6719N
James G. Boswell FoundationUNSPECIFIED
Subject Keywords:Electroencephalography; Resting state; Functional connectivity; Time-frequency analysis; Neuronal communication; Intrinsic brain activity; Default mode network
Record Number:CaltechAUTHORS:20190709-092242522
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20190709-092242522
Official Citation:Jessica Samogin, Quanying Liu, Marco Marino, Nicole Wenderoth, Dante Mantini, Shared and connection-specific intrinsic interactions in the default mode network, NeuroImage, Volume 200, 2019, Pages 474-481, ISSN 1053-8119, https://doi.org/10.1016/j.neuroimage.2019.07.007. (http://www.sciencedirect.com/science/article/pii/S1053811919305750)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96988
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:09 Jul 2019 16:57
Last Modified:15 Jul 2019 20:32

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