期刊
BRAIN IMAGING AND BEHAVIOR
卷 10, 期 3, 页码 772-780出版社
SPRINGER
DOI: 10.1007/s11682-015-9447-8
关键词
MEG; Neuroimaging; Posture; Supine position; Upright position
类别
资金
- Canada Research Chair program
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Canadian Institutes of Health Research
- BIAL Foundation
- NSERC
- Mind and Life Institute
Neuroimaging researchers tacitly assume that body-position scantily affects neural activity. However, whereas participants in most psychological experiments sit upright, many modern neuroimaging techniques (e.g., fMRI) require participants to lie supine. Sparse findings from electroencephalography and positron emission tomography suggest that body position influences cognitive processes and neural activity. Here we leverage multi-postural magnetoencephalography (MEG) to further unravel how physical stance alters baseline brain activity. We present resting-state MEG data from 12 healthy participants in three orthostatic conditions (i.e., lying supine, reclined at 45A degrees, and sitting upright). Our findings demonstrate that upright, compared to reclined or supine, posture increases left-hemisphere high-frequency oscillatory activity over common speech areas. This proof-of-concept experiment establishes the feasibility of using MEG to examine the influence of posture on brain dynamics. We highlight the advantages and methodological challenges inherent to this approach and lay the foundation for future studies to further investigate this important, albeit little-acknowledged, procedural caveat.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据