Autoregulation of cerebral blood flow (CBF) is a physiologic and homeostatic process that maintains nearly constant CBF over a range of mean arterial pressures (MAPs). Disease states, including ...
How does the brain clean itself during sleep? A new ultrafast MRI method tracks cerebrospinal fluid flow without contrast ...
IN modern civilizations an enormous toll of suffering and death is exacted by local disorders of brain blood flow. Regional hemodynamic failure, with unique rapidity, produces anoxic devastation in ...
The clinical syndrome produced by a stroke is determined by the artery or arteries that are occluded. Blood is supplied to the brain by two major sets of arteries, the anterior and posterior ...
WE have recently studied 2 patients with symptoms of cerebral ischemia in whom a reversal of blood flow through the left vertebral artery was demonstrated. In both cases the anatomic lesion producing ...
Sleep helps the brain to cleanse itself—and now this process can be measured in humans entirely noninvasively. Researchers at ...
Persistent Fetal Circulation. Rostal-caudal MRA projection. A number of individuals have a normal anatomic variant known as a persistent fetal circulation, where the posterior cerebral artery (PCA) ...
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