Right-side dominance for song control in the zebra finch.
Right-side dominance for song control in the zebra finch.
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斑胸草雀控制鸣叫的右侧优势。
DOI：
10.1002/neu.480230807
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发表时间：
1992
期刊：
影响因子：
--
通讯作者：
Nottebohm,F
中科院分区：
文献类型：
--
作者：
Williams,H;Crane,LA;Hale,TK;Esposito,MA;Nottebohm,F
成年雄性斑雀接受了单侧去脊髓空洞神经或单侧前脑核HVC的损伤，HVC是已知的对歌唱控制很重要的区域。右侧手术后SONG的干扰作用大于左侧手术后。失神经后，一首歌中所有音节的基频都集中在500赫兹附近，几乎所有音节的类型都发生了改变。相反，左侧脊髓空洞失神经后产生的音节基本保持其术前频率，较少的音节类型发生变化。与神经节段不同，HVC损伤不会对音节音系产生明显的偏侧化影响；然而，HVC损伤确实影响鸟鸣的时间模式，而神经节段不影响，并且右侧HVC损伤后的时间模式变化比左侧HVC损伤后更明显。斑马雀歌唱控制的右侧优势与其他具有侧向不对称的鸣鸟的歌唱交流的优势相反。我们认为，需要一个占主导地位的一方比占主导地位的一方更重要。©1992 John Wiley父子公司
Adult male zebra finches underwent unilateral denervation of the syrinx or unilateral lesion of the forebrain nucleus HVC known to be important for song control. Disruptive effects of song were greater after right‐side than after left‐side operations. After denervation of the right half of the syrinx, the fundamental frequencies of all syllables within a song converged on a value near 500 Hz, and nearly all syllables were altered in type. In contrast, the syllables produced after denervation of the left side of the syrinx largely maintained their preoperative frequencies, and fewer syllables changed in type. Unlike nerve sections, HVC lesions did not result in strikingly lateralized effects on syllable phonology; however, HVC lesions did affect the temporal patterning of a bird's song, whereas nerve sections did not, and changes in temporal patterning were more marked after right than after left HVC lesions. Right‐side dominance for zebra finch song control is the reverse of that described in other songbird species with lateral asymmetry for vocal communication. We suggest that the need for a dominant side is more important than the side of dominance. © 1992 John Wiley & Sons, Inc.
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