Ultrafast complex-valued 4D fMRI reveals sleep-induced brain respiratory pulsation changes in both magnitude and phase signals

Ultrafast complex-valued 4D fMRI reveals sleep-induced brain respiratory pulsation changes in both magnitude and phase signals

Physiological brain pulsations play a critical role in sleep physiology, but their underlying mechanisms remain poorly understood. To study these pulsations more deeply, we employed ultrafast magnetic resonance encephalography (MREG) to capture complex-valued 4D fMRI brain data at a critical 10 Hz s...

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Bibliographic Details
Main Authors: Saara Sofia Syväoja, Lauri Raitamaa, Heta Helakari, Jussi Kantola, Matti Järvelä, Janne Kananen, Ville Isokoski, Vesa Korhonen, Tommi Väyrynen, Timo Tuovinen, Jürgen Hennig, Vesa Kiviniemi
Format: Article
Language:English
Published: Elsevier 2025-08-01
Series:NeuroImage
Subjects:
Magnetic resonance encephalography (MREG)
Cerebrospinal fluid (CSF)
Respiratory brain pulsation
Sleep
Fast fMRI
Online Access:http://www.sciencedirect.com/science/article/pii/S1053811925002939
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http://www.sciencedirect.com/science/article/pii/S1053811925002939

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