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October 1976

Subjective and Electrophysiologic Tests in Brain-Stem Lesions

Author Affiliations

From the Audiology Group, Institute of Sound and Vibration Research, University of Southampton, Southampton, England.

Arch Otolaryngol. 1976;102(10):608-613. doi:10.1001/archotol.1976.00780150076005

• A battery of subjective and electrophysiologic auditory and vestibular tests were administered to 22 patients with neurologically confirmed brain-stem lesions to investigate the interrelationships between the test results.

Acoustic-reflex and simultaneous midplane binaural loudness-balance abnormalities were related to N2 and N3 abnormalities on the brain-stem evoked-response measures. Unilateral abnormalities in low-redundancy speech tests, prolonged auditory reaction times, and reduced loudness growth on the alternate binaural loudness-balance test were related to ipsilateral N4 abnormalities or contralateral N5 abnormalities on the brain-stem evoked-response measures.

(Arch Otolaryngol 102:608-613, 1976)

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