Department of Education and Support for Regional Medicine;
Tohoku University Hospital;
Sendai;
Japan;
Department of Neurology;
Tohoku University Graduate School of Medicine;
Sendai;
Japan;
Department of Neurology;
National Hospital Organization Yonezawa National Hospital;
Yonezawa;
Japan;
Department of Neurology;
Tohoku Medical and Pharmaceutical University;
Sendai;
Japan;
brain; parenchyma; bulk; flow; cerebrospinal; fluid; hydrostatic; pressure; interstitial; fluid; osmolarity; osmotic; pressure;