(Anna Cinaroglu/Moment/Getty Images) Yawning has an unusual and unexpected effect on the flow of fluid protecting the brain, ...

The space between the arachnoid and pia meningeal layers encasing the brain is a landscape of connective tissue, blood vessels, and cerebrospinal fluid. Scientists debate how that fluid moves within ...

New research reveals yawning does more than signal tiredness. Scientists observed that yawning causes cerebrospinal fluid to ...

Pulsatile CSF flow dynamics increase during epochs with slower reaction times and attentional failures. (CREDIT: Nature) By 10 a.m., having had no sleep, subjects were lying in MRI scanners engaging ...

Although yawning seems like a small, everyday action, recent studies have found that it causes an unexpected reaction in the fluid protecting the brain. A research team in Australia reports that a ...