Neurovascular factors in resting-state functional MRI.
Neurovascular factors in resting-state functional MRI.
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DOI：
10.1016/j.neuroimage.2013.04.071
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发表时间：
2013-10-15
期刊：
影响因子：
5.7
通讯作者：
Liu, Thomas T.
中科院分区：
文献类型：
--
作者：
Liu, Thomas T.
There has been growing interest in the use of resting-state functional magnetic resonance imaging (rsfMRI) for the assessment of disease and treatment, and a number of studies have reported significant diseaserelated changes in resting-state blood oxygenation level dependent (BOLD) signal amplitude and functional connectivity. rsfMRI is particularly suitable for clinical applications because the approach does not require the patient to perform a task and scans can be obtained in a relatively short amount of time. However, the mechanisms underlying resting-state BOLD activity are not well understood and thus the interpretation of changes in resting state activity is not always straightforward. The BOLD signal represents the hemodynamic response to neural activity, and changes in resting-state activity can reflect a complex combination of neural, vascular, and metabolic factors. This paper examines the role of neurovascular factors in rsfMRI and reviews approaches for the interpretation and analysis of resting state measures in the presence of confounding factors.
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