Data from: Low-frequency fluctuations of the resting brain: high magnitude does not equal high reliability

Dewang Mao, Zhongxiang Ding, Wenbin Jia, Wei Liao, Xun Li, Huiyuan Huang, Jianhua Yuan, Yu-Feng Zang & Han Zhang
The amplitude of low-frequency fluctuation (ALFF) measures low-frequency oscillations of the blood-oxygen-level-dependent signal, characterizing local spontaneous activity during the resting state. ALFF is a commonly used measure for resting-state functional magnetic resonance imaging (rs-fMRI) in numerous basic and clinical neuroscience studies. Using a test-retest rs-fMRI dataset consisting of 21 healthy subjects and three repetitive scans, we found that several key brain regions with high ALFF intensities (or magnitude) had poor reliability. Such regions included the...
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