Figure 2

Cerebrospinal pressure-volume curves. a. Pressure-volume curve plotted using clinical test- with permission from author [13]. b. Pressure-volume curve of the model used for testing in vitro. Three-part approximation of the compliance within the CSF compartments. The compliance over the first part is 0.17 ml mmHg^-1, over the plateau 5.53 ml mmHg^-1, over the final part 0.31 ml mmHg^-1. This is computer graph was generated to interpolate measured values.