Resting-state Functional Connectivity During Controlled Respiratory Cycles Using Functional Magnetic Resonance Imaging.

IF 1 Q4 NEUROSCIENCES Basic and Clinical Neuroscience Pub Date : 2022-11-01 DOI:10.32598/bcn.2022.2534.1

Chan-A Park, Yeong-Bae Lee, Chang-Ki Kang

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Abstract

Introduction: This study aimed to assess the effect of controlled mouth breathing during the resting state using functional magnetic resonance imaging (fMRI).

Methods: Eleven subjects participated in this experiment in which the controlled "Nose" and "Mouth" breathings of 6 s respiratory cycle were performed with a visual cue at 3T MRI. Voxel-wise seed-to-voxel maps and whole-brain region of interest (ROI)-to-ROI connectome maps were analyzed in both "Nose>Mouth" and "Mouth>Nose" contrasts.

Results: As a result, there were more connection pairs in the "Mouth" breathing condition, i.e., 14 seeds and 14 connecting pairs in the "Mouth>Nose" contrast, compared to 7 seeds and 4 connecting pairs in the "Nose>Mouth" contrast (false discovery rate [FDR] of P<0.05).

Conclusion: The present study demonstrated that mouth breathing with controlled respiratory cycles could significantly induce alterations in functional connectivity in the resting-state network, suggesting that it can differently affect resting brain function; in particular, the brain can hardly rest during mouth breathing, as opposed to conventional nasal breathing.

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功能磁共振成像在受控呼吸周期中的静息状态功能连接。

引言：本研究旨在使用功能性磁共振成像（fMRI）评估静息状态下控制口呼吸的效果。方法：11名受试者在3T MRI下用视觉提示进行6 s呼吸周期的“鼻”和“口”呼吸控制。在“Nose>Mouth”和“Mouth>Nose”对比中分析了体素种子到体素图和全脑感兴趣区域（ROI）到ROI连接体图。结果：在“口”呼吸条件下有更多的连接对，即14个种子和14个“口>鼻”对照的连接对，与“鼻子>嘴巴”对比中的7个种子和4个连接对相比（错误发现率[FDR]结论：本研究表明，呼吸周期受控的口呼吸可以显著诱导静息状态网络中功能连接的改变，这表明它可以不同地影响静息大脑功能；特别是，与传统的鼻腔呼吸相比，在口腔呼吸过程中，大脑几乎无法休息。

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来源期刊

Basic and Clinical Neuroscience NEUROSCIENCES-

CiteScore

2.60

自引率

0.00%

发文量

审稿时长

4 weeks

期刊介绍： BCN is an international multidisciplinary journal that publishes editorials, original full-length research articles, short communications, reviews, methodological papers, commentaries, perspectives and “news and reports” in the broad fields of developmental, molecular, cellular, system, computational, behavioral, cognitive, and clinical neuroscience. No area in the neural related sciences is excluded from consideration, although priority is given to studies that provide applied insights into the functioning of the nervous system. BCN aims to advance our understanding of organization and function of the nervous system in health and disease, thereby improving the diagnosis and treatment of neural-related disorders. Manuscripts submitted to BCN should describe novel results generated by experiments that were guided by clearly defined aims or hypotheses. BCN aims to provide serious ties in interdisciplinary communication, accessibility to a broad readership inside Iran and the region and also in all other international academic sites, effective peer review process, and independence from all possible non-scientific interests. BCN also tries to empower national, regional and international collaborative networks in the field of neuroscience in Iran, Middle East, Central Asia and North Africa and to be the voice of the Iranian and regional neuroscience community in the world of neuroscientists. In this way, the journal encourages submission of editorials, review papers, commentaries, methodological notes and perspectives that address this scope.