October 26, 2020

Ultra-slow Oscillations in fMRI and Resting-State Connectivity: Neuronal and Vascular Contributions and Technical Confounds

Drew et al. review the linkage of two ultra-slow rhythms in brains: broadband ∼0.1-Hz oscillations in the diameter of arterioles and, similarly, broadband modulation of γ-oscillations in neuronal activity. The linkage underlies “functional connectivity” deduced from BOLD fMRI.

 Neuron

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