A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61B DIAGNOSIS; SURGERY; IDENTIFICATION
5/00 Measuring for diagnostic purposes; Identification of persons
A61B5/40 Detecting, measuring or recording for evaluating the nervous system
A61B5/4058 for evaluating the central nervous system
A61B5/4064 Evaluating the brain