By illuminating chemical compounds in the brain, the fibres let them track the flow of blood and cerebrospinal fluid during sleep. They found that as levels of a molecule called norepinephrine ...

Hydrocephaly is a related complication in individuals with Dandy-Walker due to cysts that form in the brain's fourth ventricle and block the flow of cerebrospinal fluid (CSF). This blockage allows ...

Attier-Zmudka J, Sérot JM, Valluy J, et al. Decreased cerebrospinal fluid flow is associated with cognitive deficit in elderly patients. Front Aging Neurosci. 2019;11:87. doi:10.3389/fnagi.