“…There have been several experimental studies of human brain tissue (Chatelin et al, 2012;Donnelly and Medige, 1997;Fallenstein et al, 1969;Franceschini et al, 2006;Kruse et al, 2008;Nicolle et al, 2004;Prange and Margulies, 2002;Prange et al, 2000;Sack et al, 2008Sack et al, , 2009Schiavone et al, 2009). However, with the exception of a few of these aforementioned studies (Franceschini et al, 2006;Prange and Margulies, 2002;Prange et al, 2000), each reported single-mode experiments, with tests in just tension, compression, or shear.…”