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Location of an acoustic window in dolphins
1A.N. Severtsov Institute of Evolutionary Morphology and Ecology of Animals, USSR Academy of Sciences, Moscow.
Experientia
|January 15, 1990
Abstract:
Auditory brainstem responses (ABR) to sound clicks from sources in different positions were recorded in dolphins Inia geoffrensis. The position of the acoustic window was determined by measurement of acoustic delays. The acoustic window was found to lie close to the auditory meatus and the bulla rather than on the lower jaw.