92. Myogenic vestibular-evoked potentials: An extension of the assessment protocol

Vestibular-Evoked-Myogenic-Potentials (VEMPs) represent a muscular response following an intense acoustic stimulation. The cVEMPs explore a reflex arc (from saccule to the neck musculature) and usually are only recorded from sternocleidomastoideus (SCM).1 They are non-invasive, well-tolerated, simple-to-perform and very useful in several diseases. The normal response is a biphasic complex P13/N23. We propose a more extensive protocol. We recruited 31 subjects (mean age±SD:50.8±19.0). VEMPs were recorded symmetrically and simultaneously through surface electromyography from SCM, splenius (SPL), trapezius (TRP) and orbicularis oculi (OO).

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