Abstract：
:Exposure of the vestibulo-cochlear anastomosis in the cat allows single-unit recording of afferent fibers originating from inner hair cells and olivocochlear efferent fibers to the outer hair cells. Comparison of data obtained from individual animals show similarities in absolute threshold and dynamic range between the efferent fibers and that subset of auditory-nerve afferents with low spontaneous rates and high thresholds [Liberman (1978) J. Acoust. Soc. Am. 63, 442-455]. The afferent-efferent comparisons also show that interanimal variability in efferent excitability (thresholds and maximum discharge rates) is directly correlated with variation in the mean spontaneous discharge rate of the afferent fiber population. It is suggested that interanimal differences in efferent excitability may explain some of the interanimal variability in susceptibility to acoustic trauma.
journal_name
Hear Resjournal_title
Hearing researchauthors
Liberman MCdoi
10.1016/0378-5955(88)90105-0subject
Has Abstractpub_date
1988-07-15 00:00:00pages
179-91issue
2eissn
0378-5955issn
1878-5891pii
0378-5955(88)90105-0journal_volume
34pub_type
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