超越界限:研究前/后中央回和补充运动区的共享和分化连接。

IF 1.6 4区 医学 Q4 NEUROSCIENCES
Neuroreport Pub Date : 2024-03-20 Epub Date: 2024-02-18 DOI:10.1097/WNR.0000000000002011
Adnan A S Alahmadi
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引用次数: 0

摘要

研究目的本研究旨在全面研究涉及运动和感觉功能的关键脑区(即中央前回、中央后回和辅助运动区(SMA))的功能连接性。使用先进的核磁共振成像技术,目的是通过研究这些区域与八个不同的大脑功能网络的连接,了解它们的神经生理学综合特征。目的是揭示它们在传统运动和感觉功能之外的作用,从而有助于更全面地了解大脑功能:研究涉及 198 名健康志愿者,主要方法是利用先进的核磁共振成像技术进行功能连接分析。以双侧中央前回、中央后回和SMA为种子区域,研究它们与八个不同大脑区域功能网络的连接性。这种方法可以探索这些关键脑区之间的同步活动,揭示它们的综合功能以及与其他脑网络的关系:研究揭示了前中央回、后中央回和 SMA 与主要大脑功能网络之间微妙的功能连接。尽管这些区域的功能连接度很高,但它们与其他网络的功能整合却多种多样,尤其是在显著性、视觉、小脑和语言网络中。摘要中没有提供具体数据和统计意义,但研究结果表明,除了传统的运动和感觉功能外,每个脑区在复杂的认知任务中都扮演着独特和不同的角色:研究强调了中央前回、中央后回和 SMA 的多方面作用。除了对运动和感觉功能的重要参与外,这些区域还与不同的大脑网络表现出不同的功能整合。观察到的差异,尤其是在显著性、视觉、小脑和语言网络中的差异,表明这些区域在不同认知功能中有着细微和专门的参与。这项研究强调了从更广阔的神经生理学角度来理解这些脑区的复杂作用的重要性,有助于不断揭示大脑功能的复杂性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Beyond boundaries: investigating shared and divergent connectivity in the pre-/postcentral gyri and supplementary motor area.

Objective: This study aimed to comprehensively investigate the functional connectivity of key brain regions involved in motor and sensory functions, namely the precentral gyrus, postcentral gyrus and supplementary motor area (SMA). Using advanced MRI, the objective was to understand the neurophysiological integrative characterizations of these regions by examining their connectivity with eight distinct functional brain networks. The goal was to uncover their roles beyond conventional motor and sensory functions, contributing to a more holistic understanding of brain functioning.

Methods: The study involved 198 healthy volunteers, with the primary methodology being functional connectivity analysis using advanced MRI techniques. The bilateral precentral gyrus, postcentral gyrus and SMA served as seed regions, and their connectivity with eight distinct brain regional functional networks was investigated. This approach allowed for the exploration of synchronized activity between these critical brain areas, shedding light on their integrated functioning and relationships with other brain networks.

Results: The study revealed a nuanced landscape of functional connectivity for the precentral gyrus, postcentral gyrus and SMA with the main functional brain networks. Despite their high functional connectedness, these regions displayed diverse functional integrations with other networks, particularly in the salience, visual, cerebellar and language networks. Specific data and statistical significance were not provided in the abstract, but the results suggested unique and distinct roles for each brain area in sophisticated cognitive tasks beyond their conventional motor and sensory functions.

Conclusion: The study emphasized the multifaceted roles of the precentral gyrus, postcentral gyrus and SMA. Beyond their crucial involvement in motor and sensory functions, these regions exhibited varied functional integrations with different brain networks. The observed disparities, especially in the salience, visual, cerebellar and language networks, indicated a nuanced and specialized involvement of these regions in diverse cognitive functions. The study underscores the importance of considering the broader neurophysiological landscape to comprehend the intricate roles of these brain areas, contributing to ongoing efforts in unraveling the complexities of brain function.

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来源期刊
Neuroreport
Neuroreport 医学-神经科学
CiteScore
3.20
自引率
0.00%
发文量
150
审稿时长
1 months
期刊介绍: NeuroReport is a channel for rapid communication of new findings in neuroscience. It is a forum for the publication of short but complete reports of important studies that require very fast publication. Papers are accepted on the basis of the novelty of their finding, on their significance for neuroscience and on a clear need for rapid publication. Preliminary communications are not suitable for the Journal. Submitted articles undergo a preliminary review by the editor. Some articles may be returned to authors without further consideration. Those being considered for publication will undergo further assessment and peer-review by the editors and those invited to do so from a reviewer pool. The core interest of the Journal is on studies that cast light on how the brain (and the whole of the nervous system) works. We aim to give authors a decision on their submission within 2-5 weeks, and all accepted articles appear in the next issue to press.
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