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November 1956

The Cochleopalpebral Reflex in Normal Hearing and Hard of Hearing Persons

Author Affiliations

U.S. Army; Washington, D. C.; Medical Department, U. S. Army

AMA Arch Otolaryngol. 1956;64(5):402-408. doi:10.1001/archotol.1956.03830170052007

In an earlier report, Galambos, Rosenberg, and Glorig1 investigated the usefulness of the cochleopalpebral, or eyeblink reflex, as a test of hearing. Normal hearing subjects, in addition to patients with hearing loss, were tested to determine the intensity of sound necessary to elicit an eyeblink response. Clicks were used as the auditory stimuli. The authors indicated that the eyeblink response might serve as a measure of loudness recruitment, since some subjects with relatively severe hearing loss demonstrated a cochleopalpebral reflex at sound intensities of only 20 to 30 db. greater than those required for evoking the eyeblink response from persons with normal hearing. This finding suggests that the cochleopal-pebral reflex can be used as an aid in differentially diagnosing the type of hearing loss. More specifically, conductively deafened patients should require more sound intensity to produce an eyeblink than most patients with a perceptive-type hearing loss

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