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Article
August 1977

Masking Level Differences in Central Nervous System Diseases

Author Affiliations

From the Department of Otolaryngology, University of Bari, Italy.

Arch Otolaryngol. 1977;103(8):482-484. doi:10.1001/archotol.1977.00780250076008
Abstract

• The relationship between the tonal masking level difference performance and the behavior of the "sensitized speech tests" according to Bocca and Calearo, were studied in subjects with normal hearing who were suffering from CNS diseases.

The results have shown that pathological masking level difference values are present in all cases with pathological sensitized speech tests, and are related principally to the following two conditions: (1) the bulbo-pontine lesions and (2) the central hearing functional asymmetry.

In subjects with normal hearing who have CNS diseases, pathological tonal masking level differences indicate the existence of central hearing pathways lesions.

(Arch Otolaryngol 103:482-484, 1977)

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