electrocochleography

electrocochleography
A measurement of the electrical potentials generated in the inner ear as a result of sound stimulation. [electro- + L. cochlea, snail shell, + G. grapho, to write]

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n.
a test to measure electrical activity produced within the cochlea in response to a sound stimulus. It is used in the diagnosis of Ménière's disease and other forms of sensorineural deafness.

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elec·tro·coch·le·og·ra·phy (e-lek″tro-kok″le-ogґrə-fe) measurement of electrical potentials (cochlear microphonics, summating potentials, and action potentials of the eighth cranial nerve) in response to acoustic stimuli measured by an electrode in the external acoustic canal, on the tympanic membrane, or through the tympanic membrane applied to the promontory or the round window. electrocochleographic adj

Medical dictionary. 2011.

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