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Article
November 1960

Chronic Progressive Deafness, Including Otosclerosis and Diseases of the Internal Ear: Summaries of the Bibliographic Material Available for 1957

Author Affiliations

Detroit; Bordeaux, France; Milan, Italy; Krakow, Poland; Los Angeles
Associate Professor of Otolaryngology, Wayne State University (Dr. Proctor); Professor Agrégé à la Faculté de Médicine, University of Bordeaux (Dr. Portmann); Prof. Dott., University of Milan (Dr. Bozzi); Medical Academy Docent in Otolaryngology, University of Krakow (Dr. Szpunar), and Associate Professor of Otolaryngology, College of Medical Evangelists (Dr. Pick).

Arch Otolaryngol. 1960;72(5):632-699. doi:10.1001/archotol.1960.00740010644010
Abstract

(Continued from page 559)

Intracranial Tumors  Some relations between auditory function and intracranial lesions with particular reference to lesions of the cerebellopontine angle were elicited by Goodman249 in a study of 18 patients on whom neurosurgical or neurologic data were available; these were compared with those for lesions of the cochlea. In cochlear disorders there is a discrimination loss for speech that is characteristically severe relative to a measured threshold loss for tones, but in intracranial lesions there is severe discrimination loss for speech that appears independent of the threshold loss for pure tones. The threshold loss will vary from normal sensitivity to severe loss (total loss of sensitivity for pure tones was excluded), whereas discrimination loss for speech will vary from severe to total. In intracranial lesions, severity of the discrimination loss for speech is not necessarily directly proportional to the severity of the threshold loss for tones.

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