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Frequency Tuning of Bone Conducted Tone Burst‐Evoked Myogenic Potentials in Extraocular Muscles (BOVEMP) in Normal Human Subjects
Author(s) -
Donnellan Kimberly A.,
Eby Thomas L.,
Zhou Wu Z.,
Mustain William B.
Publication year - 2009
Publication title -
the laryngoscope
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.181
H-Index - 148
eISSN - 1531-4995
pISSN - 0023-852X
DOI - 10.1002/lary.20405
Subject(s) - citation , presentation (obstetrics) , tone (literature) , extraocular muscles , theology , psychology , philosophy , medicine , library science , linguistics , computer science , anatomy , radiology
Sound activation of the vestibular system resulting in short latency myogenic potential changes in various muscles has generated great interest as a clinical tool. Because it offers the potential for evaluating specific unilateral vestibular structures its future as a diagnostic tool seems promising. However, the role that the various vestibular end organs (saccule, utricle and semicircular canals) play in generating these vestibular evoked myogenic responses remains unclear. Vestibular evoked myogenic potentials (VEMP) recorded over the ipsilateral sternocleidomastoid muscle (SVEMP) are mediated by the vestibular colic pathway and thought to be of saccule origin. Another VEMP, recorded from the extraocular muscles (OVEMP), was reported in 2007 by Todd et al. OVEMP is considered to be a manifestation of the vestibulo-ocular reflex. The introduction of OVEMP suggests that addition vestibular end organs may be involved in generation of the response since both the otolith and canals contribute to the generation of vestibulo-ocular reflexes.