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Tools of the trade: estimating time-varying connectivity patterns from fIVERI data

Social cognitive and affective neuroscience, 2021-08, Vol.16 (8), p.849 [Peer Reviewed Journal]

COPYRIGHT 2021 Oxford University Press ;ISSN: 1749-5016 ;EISSN: 1749-5024 ;DOI: 10.1093/scan/nsaa114

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  • Title:
    Tools of the trade: estimating time-varying connectivity patterns from fIVERI data
  • Author: Iraji, Armin ; Faghiri, Ashkan ; Lewis, Noah ; Fu, Zening ; Rachakonda, Srinivas ; Calhoun, Vince D
  • Subjects: Brain research ; Medical research ; Medicine, Experimental ; Neurophysiology ; Time perception
  • Is Part Of: Social cognitive and affective neuroscience, 2021-08, Vol.16 (8), p.849
  • Description: Given the dynamic nature of the brain, there has always been a motivation to move beyond 'static' functional connectivity, which characterizes functional interactions over an extended period of time. Progress in data acquisition and advances in analytical neuroimaging methods now allow us to assess the whole brain's dynamic functional connectivity (dFC) and its network-based analog, dynamic functional network connectivity at the macroscale (mm) using fMRI. This has resulted in the rapid growth of analytical approaches, some of which are very complex, requiring technical expertise that could daunt researchers and neuroscientists. Meanwhile, making real progress toward understanding the association between brain dynamism and brain disorders can only be achieved through research conducted by domain experts, such as neuroscientists and psychiatrists. This article aims to provide a gentle introduction to the application of dFC. We first explain what dFC is and the circumstances under which it can be used. Next, we review two major categories of analytical approaches to capture dFC. We discuss caveats and considerations in dFC analysis. Finally, we walk readers through an openly accessible toolbox to capture dFC properties and briefly review some of the dynamic metrics calculated using this toolbox.
  • Publisher: Oxford University Press
  • Language: English
  • Identifier: ISSN: 1749-5016
    EISSN: 1749-5024
    DOI: 10.1093/scan/nsaa114
  • Source: Open Access: PubMed Central
    Journals@Ovid Open Access Journal Collection Rolling
    GFMER Free Medical Journals
    Directory of Open Access Journals
    Open Access: Oxford University Press Open Journals
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