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March 1970

A Special Case of Auditory Localization: CROS for Blind Persons With Unilateral Hearing Loss

Author Affiliations

East Lansing, Mich; Evanston, Ill; East Lansing, Mich
From the Department of Audiology and Speech Sciences, Michigan State University, East Lansing (Dr. Rintelmann and Mr. Burchfield) and the Department of Communicative Disorders, Northwestern University, Evanston, Ill (Dr. Harford).

Arch Otolaryngol. 1970;91(3):284-288. doi:10.1001/archotol.1970.00770040390012

This preliminary report based on two clinical cases suggests that the contralateral routing of signals (CROS) by a hearing aid has potential value in the habilitation of blind persons with a profound unilateral hearing loss. The CROS hearing aid can be substantially beneficial in mobility training by providing clues for locating the source of sounds, even though environmental sounds are being received by just one ear. A rationale is presented concerning this special method of auditory localization.

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