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- PMID: 24304360
- UKPMCID: 24304360
- DOI: 10.3109/14992027.2013.853134
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Thresholds for vestibular-evoked myogenic potentials (VEMPs) produced by impulsive transmastoid acceleration.
Paillard, Aurore C; Kluk, Karolina; Todd, Neil P M
International journal of audiology. 2014;53(2):138-41.
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Full-text held externally
- PMID: 24304360
- UKPMCID: 24304360
- DOI: 10.3109/14992027.2013.853134
Abstract
OBJECTIVE: To evaluate methods for estimating thresholds of vestibular evoked myogenic potentials (VEMPs) and ocular VEMPs (OVEMPs) produced by impulsive transmastoid acceleration (ITA). DESIGN: VEMPs and OVEMPs were obtained simultaneously from subjects in supine posture with both head and eyes elevated. Thresholds to ITA were measured using four different response identification methods. STUDY SAMPLE: Twelve adult subjects with no history of auditory or vestibular deficits. RESULTS: VEMP and OVEMP thresholds were found within the range of -8 to -26 dB re 0.2 g, with overall VEMP thresholds being lower than OVEMP thresholds by average of 3-10 dB, depending on the method used. CONCLUSION: VEMPs can be obtained at lower ITA stimulation levels than OVEMPs. Threshold values depend on the method used to define response presence.