[1]Department of Neurosurgery;
the Second Affiliated Hospital of Xi''an Jiaotong University;
Xi''an 710004;
China;
[2]Department of Otolaryngology-Head&Neck Surgery;
Johns Hopkins University School of Medicine;
Baltimore 21205;
USA;
[3]Division of Health Sciences Informatics;
Johns Hopkins University School of Medicine;
Baltimore 21205;
USA;
[4]School of Mathematics and Statistics;
Central China Normal University;
Wuhan 430079;
China;
[4]School of Mathematics and Statistics;
Central China Normal University;
Wuhan 430079;
China;
[5]Department of Otolaryngology-Head&Neck Surgery;
the First Affiliated Hospital of Xi’an Jiaotong University;
Xi’an 710061;
China;
single unit recording; skull cap; mechanical stability; improvement; semicircular canal neurons;