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Science 11 October 1974:
Vol. 186. no. 4159, pp. 153 - 155
DOI: 10.1126/science.186.4159.153
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Articles

Cochlear Neurons: Frequency Selectivity Altered by Perilymph Removal

Donald Robertson 1

1 Department of Biology, McGill University, Montreal, Quebec, Canada

Removal of perilylmph from the scala tympani of the guinea pig cochlea reversibly broadened the tuning curves of single spiral ganglion cells emanating from the basilar membrane. Thus, fluid continuity along the membrane is essential for normal cochlear function, in particular for sharp neural tuning curves. These data reveal a possible source of error in some estimates of basilar membrane motion and suggest a reappraisal of current concepts of the mechanism of sharp tunig in primary auditory nerve fibers.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Electrocochleographic Recordings in Acute and Healed Perilymphatic Fistula.
K. C. M. Campbell and M. M. Savage (1992)
Arch Otolaryngol Head Neck Surg 118, 301-304
   Abstract »    PDF »
Cochlear tuning properties: concurrent basilar membrane and single nerve fiber measurements.
E. Evans and J. Wilson (1975)
Science 190, 1218-1221
   Abstract »    PDF »


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