Stefan C. A. Hegemann, Anand Kumar Bery, A. Kheradmand
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Focused Update on Clinical Testing of Otolith Organs
Sensing gravity through the otolith receptors is crucial for bipedal stability and gait. The overall contribution of the otolith organs to eye movements, postural control, and perceptual functions is the basis for clinical testing of otolith function. With such a wide range of contributions, it is important to recognize that the functional outcomes of these tests may vary depending on the specific method employed to stimulate the hair cells. In this article, we review common methods used for clinical evaluation of otolith function and discuss how different aspects of physiology may affect the functional measurements in these tests. We compare the properties and performance of various clinical tests with an emphasis on the newly developed video ocular counter roll (vOCR), measurement of ocular torsion on fundus photography, and subjective visual vertical or horizontal (SVV/SVH) testing.
期刊介绍:
The mission of Audiology Research is to publish contemporary, ethical, clinically relevant scientific researches related to the basic science and clinical aspects of the auditory and vestibular system and diseases of the ear that can be used by clinicians, scientists and specialists to improve understanding and treatment of patients with audiological and neurotological disorders.