Abstract
LITTLE work has been done on hearing in rodents at high frequencies (over 30 kHz). Ralls1 has shown sensitivity at frequencies up to 80 kHz in wild mice (Mus musculus and Peromyscus) and Crowley et al.2 showed marked sensitivity to 40 kHz in the laboratory rat. Ultrasound emission has been shown by Anderson3, Zippelius and Schleidt4 and later by Noirot5 and Sewell6–8 to be widespread among rodents. In the light of this work on ultrasound production and the paucity of work on such aspects of hearing, I undertook an investigation of the cochlear microphonic response to these high frequencies.
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References
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BROWN, A. Bimodal Cochlear Response Curves in Rodents. Nature 228, 576–577 (1970). https://doi.org/10.1038/228576a0
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DOI: https://doi.org/10.1038/228576a0
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