Functional MRI signals exhibit stronger covariation with peripheral autonomic measures as vigilance decreases.

Imaging Neurosci (Camb) · 2024 · PMC12290586 · PMID 40800367

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failed to reach significanceno p-value reported

This effect was strongest in the ventricles and with the data-driven EEG response function (i.e., that based on the fMRI-EEG cross-correlations), and failed to reach significance in the grey matter when convolving EEG power with the canonical HRF.

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