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首页> 外文期刊>Journal of the Association for Research in Otolaryngology: JARO >Reciprocal Matched Filtering in the Inner Ear of the African Clawed Frog (Xenopus laevis)
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Reciprocal Matched Filtering in the Inner Ear of the African Clawed Frog (Xenopus laevis)

机译：非洲爪青蛙内耳的互惠匹配过滤（Xenopus Laevis）

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摘要

Anurans (frogs and toads) are the most vocal amphibians. In most species, only males produce advertisement calls for defending territories and attracting mates. Female vocalizations are the exceptions among frogs, however in the African clawed frog (Xenopus laevis) both males and females produce distinct vocalizations. The matched filter hypothesis predicts a correspondence between peripheral auditory tuning of receivers and properties of species-specific acoustic signals, but few studies have assessed this relationship between the sexes. Measuring hearing sensitivity with a binaural recording of distortion product otoacoustic emissions, we have found that the ears of the males of this species are tuned to the dominant frequency of the female's calls, whereas the ears of the females are tuned close to the dominant frequency of the male's calls. Our findings provide support for the matched filter hypothesis extended to include male-female calling. This unique example of reciprocal matched filtering ensures that males and females communicate effectively in high levels of background noise, each sex being most sensitive to the frequencies of the other sex's calls.
机译：Anurans（青蛙和蟾蜍）是最大的两栖动物。在大多数物种中，只有男性生产捍卫领土和吸引队友的广告呼吁。雌性发声是青蛙的例外，但在非洲爪青蛙（Xenopus Laevis）雄性和女性都产生了明显的发声。匹配的滤波器假设预测接收器的外围听觉调谐与物种特定声学信号的性质之间的对应关系，但很少有研究已经评估了性别之间的这种关系。测量听觉敏感性与失真产品的双耳记录，我们发现该物种的耳朵被调整为女性呼叫的主导频率，而女性的耳朵被调整接近主导频率男性的电话。我们的调查结果为匹配的过滤器假设提供了支持，包括男性女性呼叫。互惠匹配过滤的这种独特的例子可确保雄性和女性在高水平的背景噪声中有效地沟通，每种性别对其他性别的呼叫的频率最敏感。

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