Effect of tracheosyringeal nerve section on sexually dimorphic distance calls in Bengalese finches (Lonchura striata var domestica)
Effect of tracheosyringeal nerve section on sexually dimorphic distance calls in Bengalese finches (Lonchura striata var domestica)
复制标题
DOI：
10.2108/zsj.12.801
复制
发表时间：
1995-12-01
影响因子：
0.9
通讯作者：
Yoneda, T
中科院分区：
文献类型：
--
作者：
Okanoya, K;Yoneda, T
在孟加拉雀，成年男性的距离呼叫是窄带的频谱域和连续的时域，而女性的呼叫是宽带和脉冲。为了检查这种性二态行为的舌下神经控制的程度，在Nembutal深度麻醉下单侧切断成年鸟从舌下神经核到空洞的神经束。在时间-幅度曲线的距离呼叫的性别二态性并没有消失，无论是切断左侧或右侧的神经。另一方面，通过切断左侧神经，远距离呼叫的频谱域中的性别差异变得更加模糊，但通过切断右侧神经，仅观察到轻微的影响。结果表明，只有光谱信息传递的气管鞘神经和调用的性别是积极控制的左气管鞘神经。其中一些结果与斑胸草雀的右侧气管鞘神经支配左侧气管鞘神经，雌性鸣叫声不因切断神经而改变的现象相反。
In Bengalese finches, adult male distance calls are narrow-banded in the spectral domain and continuous in the time domain while female calls are wide-banded and pulsed. To examine the degree of syringeal control on this sexually dimorphic behavior, the nerve bundle from the hypoglossal nucleus to the syrinx was cut unilaterally in adult birds under deep Nembutal anesthesia. The sexual dimorphism in the time-amplitude profile of the distance calls did not disappear by cutting neither the left nor the right nerve. On the other hand, the sex difference in the spectral domain of the distance call became more ambiguous by cutting the left nerve but only minor effect was observed by cutting the right nerve. Results suggest that only spectral information is conveyed by the tracheosyringeal nerves and calls of the both sexes are actively controlled by the left tracheosyringeal nerve. Some of these results are in contrast with the zebra finch whose right tracheosyringeal nerve is dominant over the left and the female call does not change by the nerve cut operation.