A hypothalamic-brainstem activity sequence underlies arousal fluctuations during daytime drowsiness
Ewa Beldzik, Nicholas G. Cicero, Daniel E. P. Gomez, Zinong Yang, Juan Eugenio Iglesias, Brian L. Edlow, Laura D. Lewis
The paper identifies a hypothalamic-brainstem activity sequence that drives arousal fluctuations and cortical hemodynamics during drowsiness using fMRI.
bioRxiv · May 27, 2026 · PreprintNeuroscience