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Science 17 August 1984:
Vol. 225. no. 4663, pp. 725 - 728
DOI: 10.1126/science.6463649
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Articles

Science, Vol 225, Issue 4663, 725-728
Copyright © 1984 by American Association for the Advancement of Science

articles

Neural mechanisms of sound localization in an echolocating bat

ZM Fuzessery and GD Pollak

The mustache bat emits a three-harmonic echolocation pulse. At the external ear, large interaural intensity differences are generated only when a sound originates within a limited area of two-dimensional space, and this area is different for each pulse harmonic. As a consequence, the external ear generates pronounced binaural spectral cues containing two-dimensional spatial information. This information is encoded in the inferior colliculus by neurons tuned to one of the harmonics and sensitive to interaural intensity differences.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Reversible Inactivation of the Dorsal Nucleus of the Lateral Lemniscus Reveals Its Role in the Processing of Multiple Sound Sources in the Inferior Colliculus of Bats.
R. M. Burger and G. D. Pollak (2001)
J. Neurosci. 21, 4830-4843
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