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1
The Influence of Voluntary Tonic Emg Level on the Vestibular-Evoked Myogenic Potential
In: ETSU Faculty Works (2004)
Abstract: Vestibular-evoked myogenic potentials (VEMPs) are proposed as a reliable test to supplement the current vestibular test battery by providing diagnostic information about saccular and/or inferior vestibular nerve function. VEMPs are short-latency electromyograms (EMGs) evoked by high-level acoustic stimuli and recorded from surface electrodes over the tonically contracted sternocleidomastoid muscle. VEMP amplitude is influenced by the EMG level, which must be controlled. This study examined the ability of subjects to achieve the EMG target levels over a range of target levels typically used during VEMP recordings. In addition, the influence of target EMG level on the latency and amplitude of the click- and tone-evoked VEMP was examined. The VEMP amplitude increased as a function of EMG target level, and the latency remained constant. EMG target levels ranging from 30 microV to 50 microV are suggested for clinical application of the VEMP.
Keyword: and Ocular Physiology; Audiology and Speech-Language Pathology; electromyography; motor-evoked potentials; Musculoskeletal; Neural; saccule; Speech and Hearing Science; Speech Pathology and Audiology; sternocleidomastoid muscle; vestibular function tests; vestibular nerve
URL: https://dc.etsu.edu/etsu-works/1789
https://www.rehab.research.va.gov/jour/04/41/3B/Akin.html
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2
The Effects of Click and Tone-Burst Stimulus Parameters on the Vestibular Evoked Myogenic Potential (vemp)
In: ETSU Faculty Works (2003)
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3
Vestibular Evoked Myogenic Potentials: Preliminary Report
In: ETSU Faculty Works (2001)
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