Abstract
The SP/AP ratio is a commonplace measure used in cochleography for detection of Meniere’s disease (a pathology of the vestibular system). The measure is usually an averaged response to an acoustic stimulus. Franz described a process whereby the vestibular response rather than the cochlear response was used to elicit the SP/AP ratio. This paper examines that direct process. The direct process appears to detect a driven vestibular response, probably from the semicircular canals, at about 15Hz.
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Shoushtarian, M., Lithgow, B. A vestibular diagnostic response. Australas Phys Eng Sci Med 27, 189–198 (2004). https://doi.org/10.1007/BF03178648
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DOI: https://doi.org/10.1007/BF03178648