Key result
Increased alpha and beta EEG power were related to decreased BOLD functional connectivity, whereas gamma power correlated positively with BOLD connectivity between specific brain regions.
Observational (n=28)
No
Fluctuations in BOLD functional connectivity have a neurophysiological origin, with specific EEG frequency bands correlating with increases or decreases in connectivity.
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Dynamic BOLD connectivity fluctuations may index neural oscillations; leaves open clinical translation in cardiovascular neuroimaging.
Tagliazucchi et al. (2012) conducted an observational in Healthy (n=28). Spontaneous EEG power fluctuations was evaluated on Correlation between time-dependent BOLD functional connectivity and sliding window-averaged EEG power in different frequency bands. Increased alpha and beta EEG power were related to decreased BOLD functional connectivity, whereas gamma power correlated positively with BOLD connectivity between specific brain regions.
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