## Abstract Recent neuroimaging studies have lead to the proposal that rest is characterized by an organized, baseline level of activity, a default mode of brain function that is suspended during specific goalβoriented mental activity. Previous studies have shown that the primary function subserved
Fractal analysis of spontaneous fluctuations of the BOLD signal in the human brain networks
β Scribed by Li, Yi-Chia; Huang, Yun-An
- Book ID
- 127342099
- Publisher
- John Wiley and Sons
- Year
- 2013
- Tongue
- English
- Weight
- 499 KB
- Volume
- 39
- Category
- Article
- ISSN
- 1053-1807
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The blood oxygen level-dependent (BOLD) magnetic resonance signal of functional brain cortices is dominated by very low frequency (VLF) fluctuations in anesthetized child patients. The temporal synchrony of the BOLD signal is also higher in anesthetized children compared with awake adults. The origi
## Abstract FMRI has revealed the presence of correlated lowβfrequency cerebroβvascular oscillations within functional brain systems, which are thought to reflect an intrinsic feature of largeβscale neural activity. The spatial correlations shown by these fluctuations has been their identifying fea