2014•Indian Journal of OtologyRequires access

Variation in the gaze, caloric test and vestibular-evoked myogenic potential with advancing age

Sharda Ajay Sarda, Swati Bhat, Chitnahalli Shankaranarayan Vanaja

Abstract

Objectives: The present study was aimed to investigate age related changes on Caloric test, Gaze Test and Vestibular Evoked Myogenic Potential (cVEMP). Materials and Methods: The participants included 50 individuals ranging from 20-70 years having no complaint of dizziness or any major illness. The basic audiological test battery was carried out followed by Caloric test, Gaze Test and the VEMP. Results: There was no consistent pattern seen on the caloric test and gaze test with advancing age while VEMP showed significant increase in latency and decrease in amplitude of both P13 and N23 as the age advances. Discussion: The comparison of the mean SPV values do not show an age related pattern because the caloric test does not challenge the semicircular canal system enough so as to reveal its defects. The age related changes in the cVEMP parameters could be attributed to the age related degeneration in the vestibular sense organ

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Key concepts: Vestibular evoked myogenic potential, Caloric test, Audiology, Medicine, Caloric theory, Gaze, Vestibular system, Test (biology)