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Frequency tuning properties of ocular vestibular evoked myogenic potentials.

Authors
  • Chihara, Yasuhiro
  • Iwasaki, Shinichi
  • Fujimoto, Chisato
  • Ushio, Munetaka
  • Yamasoba, Tatsuya
  • Murofushi, Toshihisa
Type
Published Article
Journal
Neuroreport
Publisher
Ovid Technologies (Wolters Kluwer) - Lippincott Williams & Wilkins
Publication Date
Oct 28, 2009
Volume
20
Issue
16
Pages
1491–1495
Identifiers
DOI: 10.1097/WNR.0b013e3283329b4a
PMID: 19809372
Source
Medline
License
Unknown

Abstract

Loud air-conducted sound or bone-conducted vibration produces vestibular-dependent electromyographic responses both in the cervical muscles (cervical vestibular evoked myogenic potentials) and in the extraocular muscles (ocular vestibular evoked myogenic potentials; oVEMPs). Although previous frequency tuning measurements of cervical vestibular evoked myogenic potentials have provided important information for a clinical application, those of oVEMPs have rarely been studied. We explored the frequency tuning properties of oVEMPs in 12 healthy participants. Our results indicate that the best frequencies of the oVEMPs to air-conducted sound and bone-conducted vibration are 500 and 250 Hz, respectively. The difference in the best frequencies between the two stimuli may originate from the difference in the end organs (saccule or utricle), preferentially activated by each stimulus.

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