Localization of noise, use of binaural cues, and a description of the superior olivary complex in the smallest carnivore, the least weasel (Mustela nivalis).

Localization of noise, use of binaural cues, and a description of the superior olivary complex in the smallest carnivore, the least weasel (Mustela nivalis).
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噪声的定位、双耳线索的使用以及对最小的食肉动物、最小的黄鼠狼(Mustela nivalis)的上橄榄核复合体的描述。

DOI:
10.1037//0735-7044.101.5.701
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发表时间:
1987
影响因子:
1.9
通讯作者:
Heffner,HE
Heffner,HE
中科院分区:
医学4区
文献类型:
--
作者:
Heffner,RS;Heffner,HE

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猫和狗具有相对较好的声音定位敏锐度,问题是,这种特征是否是所有食肉动物的特征,或者是否是由于它们有大的头部和相应的大双耳定位线索。最小的黄鼠狼,现存最小的食肉动物的定位敏锐度,被认为是不太准确的比大型食肉动物,但比其他小型哺乳动物更准确。这表明,食肉动物可能是在强大的选择压力,以准确定位,但耳间距离可能是一个限制因素。最小的黄鼠狼能够使用双耳相位差和强度差来定位,但具有相对较宽的中频范围,对于这两个线索都不是最佳的。最后,最小鼬鼠的上级橄榄复合体发育良好,与大型食肉动物相比,更像小型啮齿动物。(PsycINFO数据库记录(c)2016阿帕,保留所有权利)
Cats and dogs have relatively good sound-localization acuity, and the question arises as to whether this trait is a characteristic of all carnivores or whether it is due to the fact that they have large heads and correspondingly large binaural localization cues available to them. The localization acuity of the least weasel, the smallest extant carnivore, was found to be less accurate than larger carnivores but more accurate than other small mammals. This suggests that carnivores may be under strong selective pressure to localize accurately but that interaural distance may be a limiting factor. The least weasel is capable of using both binaural phase differences and intensity differences to localize, but has a relatively broad mid-frequency range for which neither cue is optimal. Finally, the superior olivary complex of the least weasel is well developed and resembles that of larger carnivores more than that of small rodents.(PsycINFO Database Record (c) 2016 APA, all rights reserved)
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