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Science 7 April 1972:
Vol. 176. no. 4030, pp. 66 - 68
DOI: 10.1126/science.176.4030.66
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Articles

Cochlear Microphonic Audiograms in the "Pure Tone" Bat Chilonycteris parnellii parnellii

George Pollak 1, O. W. Henson Jr. 1, and Alvin Novick 2

1 Department of Anatomy, Yale University, New Haven, Connecticut 06520
2 Department of Biology, Yale University

Audiograms are sharply tuned to a frequency close to the second harmonic of the pulse. The tuning, which is much sharper than previously reported for any vertebrate receptor, provides a mechanism whereby the bat can effectively perceive echoes even during periods of pulse-echo overlap.


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