A method of estimating at least one intracranial hemodynamic parameter in a subject, the method comprising: a) obtaining data of changes in electrical impedance across the subject's head as a function of time; b) analyzing the data; and c) estimating one or more of...http://www.google.de/patents/US8211031?utm_source=gb-gplus-sharePatent US8211031 - Non-invasive intracranial monitor
