This talk will focus on recent developments in studying the electrophysiologic basis of functional MRI correlations. We will examine methods to measure the spatial correspondence between electrophysiologic band-limited power (BLP) and fMRI correlation patterns in human subjects. We will then discuss the available evidence that correlated, spontaneous activity of the brain exhibits frequency specificity, and outline a hypothesis that the spectral structure of task responses is reflected in the hierarchical organization of RSNs.
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