New research has found that people with narcolepsy type 1 exhibit patterns of slow brain pulsations that resemble those seen in healthy sleep. The findings, published in PNAS, suggest that orexin—a ...

A hormone produced by the brain, orexin, may play a central role in the functioning of the brain's glymphatic system, which clears waste, according to a new study from the University of Oulu.

Researchers at the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine ...

A hormone produced by the brain, orexin, may play a central role in the functioning of the brain’s glymphatic system, which clears waste, according to a new study from the University of Oulu.

The researchers found that microvascular pulses increase with age, particularly in the brain’s deep white matter, a region ...

Painless brain imaging can map elevated pulsation of microvessels, which is potentially connected to memory loss and ...

Brain clearance involves three types of pulsation: cardiovascular pulsations generated by the heartbeat in the arteries, respiratory pulsations in the veins and cerebrospinal fluid spaces, and slow ...