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Advanced Neurocircuit Mapping via Non-invasive Magnetic Resonance Imaging Techniques Hirotaka Onoe 1,2 1Human Brain Research Center, Graduate School of Medicine, Kyoto University 2Laboratory of Neuropsychopharmacology, Faculty of Pharmaceutical Sciences, Kobe Gakuin University Keyword: 機能的磁気共鳴画像法 , fMRI , 機能的結合性 , FC , 安静時ネットワーク , RSN , functional magnetic resonance imaging , resting-state fMRI , rsfMRI , resting-state networks , RSNs pp.821-826
Published Date 2024/7/1
DOI https://doi.org/10.11477/mf.1416202689
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Abstract

The brain comprises a complex network of anatomically distinct regions (each with specialized functions) that collaborate to support various cognitive processes. Therefore, it is important to understand the brain from the perspective of a complex network. Functional magnetic resonance imaging (fMRI) is increasingly being accepted for its ability to provide useful insights into brain function. Among the fMRI techniques available in clinical practice, resting-state fMRI (rsfMRI) represents the core method for mapping brain activity in the absence of specific tasks; studies have reported the usefulness of rsfMRI in the investigation of various human diseases. Functional brain networks, which consist of interconnected regions that show correlated activities, are typically depicted as functional connectivity (FC). FC analysis using rsfMRI data provides extensive information, revealing intrinsic resting-state networks and highlights deviations in network structure among patients with psychiatric disorders. Such network insights not only deepen our understanding of the brain but also facilitate assessment of network alterations associated with psychiatric and neurodegenerative diseases.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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