title: [Characteristics of the air-conducted ocular evoked myogenic potential in the young normal Chinese subjects].
abstract: OBJECTIVE
  To identify the characteristics of the air-conducted ocular vestibular-evoked myogenic potential (oVEMP) in the young normal Chinese subjects.
  
  
  METHODS
  Twenty five normal subjects were recruited for conventional examinations of oVEMP. The subjects were 19 - 45 years of age [(24.3 ± 5.6) years], 12 males and 13 females. 500 Hz air-conducted tone burst was employed for examination. The threshold of oVEMP in each ear was examined; patterns of these waves were observed and the normal ranges of the oVEMP waves responded to 100 dBnHL were calculated.
  
  
  RESULTS
  All subjects were elicited with normal oVEMP N1-P1 waves in both ears. The response rate in these subjects was 100%. The threshold of oVEMP examination was (86.6 ± 3.6) dBnHL (x(-) ± s), latency N1 (10.1 ± 0.4) ms, latency P1 (14.7 ± 1.2) ms, interval N1-P1 (4.5 ± 1.0) ms, amplitude (7.9 ± 4.4) µV.
  
  
  CONCLUSIONS
  Air-conducted oVEMP is a kind of vestibular-ocular reflex respond to intensive sound generated by otolithic vestibular end organs. It is stable in the young normal subjects with minor variabilities.
authors.affiliation: Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital, Xi'an Jiaotong University College of Medicine, Ear Institute of Xi'an Jiaotong University College of Medicine, Xi'an 710004, China.
authors.forename: Qing
authors.initials: Q
authors.lastname: Zhang
authors.forename: Hui
authors.initials: H
authors.lastname: Song
authors.forename: Juan
authors.initials: J
authors.lastname: Hu
authors.forename: Yan-fei
authors.initials: YF
authors.lastname: Chen
authors.forename: Yan
authors.initials: Y
authors.lastname: Zhang
authors.forename: Xiao-ying
authors.initials: XY
authors.lastname: DU
authors.forename: Quan-an
authors.initials: QA
authors.lastname: Zhang
authors.forename: Jun-rong
authors.initials: JR
authors.lastname: Wei
authors.forename: Min
authors.initials: M
authors.lastname: Xu
authors.forename: Kimitaka
authors.initials: K
authors.lastname: Kaga
mesh_terms: D000328:Adult; D044466:Asian People; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012444:Saccule and Utricle / Q000502:physiology*; D058585:Vestibular Evoked Myogenic Potentials; D014724:Vestibular Function Tests; D055815:Young Adult