We measured the phase of low-frequency oscillations (LFOs) of [Hb] and [HbO] in the human brain during sleep. We found that, on average, the phase lead of [Hb] vs [HbO] LFOs is greater during slow-wave sleep than during REM sleep.
© 2012 OSA
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.5280) Medical optics and biotechnology : Photon migration
(170.2655) Medical optics and biotechnology : Functional monitoring and imaging
M. L. Pierro, A. Sassaroli, S. Fantini, and P. Bergethon, "Phase relationship between the low-frequency oscillatory components of cerebral [HbO] and [Hb] assessed by NIRS during sleep in human subjects," in Biomedical Optics and 3-D Imaging, OSA Technical Digest (Optical Society of America, 2012), paper BM4A.5.
References are not available for this paper.