Global synchronous response to autogenous song in zebra finch HVc.
Global synchronous response to autogenous song in zebra finch HVc.
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斑胸草雀 HVc 对自体鸣叫的全局同步响应。
DOI：
10.1152/jn.1994.72.5.2105
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发表时间：
1994
影响因子：
2.5
通讯作者：
Margoliash,D
中科院分区：
文献类型：
--
作者：
Sutter,ML;Margoliash,D
1. 研究了尿素麻醉成年雄性斑胸草雀HVc神经元对自体鸣声（AS）反应的空间分布。在7只鸟中，穿透覆盖了HVc的整个中外侧、背侧或背侧范围。在八分之一的实验中，控制生育的插入是在HVc附近但在HVc之外进行的。从组织学材料中重建的记录位点表明，对AS的反应强于对音调或噪声的反应的位点与HVc内的位点之间具有良好的对应关系。2. 在每只实验鸟中，而不是在对照组中，在HVc的整个空间范围内（高达1.3 mm），对AS的多单元反应是相似的。对于每只实验鸟来说，最强烈的反应发生在一个狭窄的时间范围内。这个时间范围的中间部分称为最大同步时间（TMS）。在鸟类中，34-75%的记录点表现出相同的TMS。使用bb0 - 33%的位点在经颅磁刺激下表现出最强反应的标准，个体间经颅磁刺激周围的时间分散在6 - 138 ms之间。在7只实验鸟中，6只的TMS位置不受整合窗口从10到150 ms的变化的影响。在两只实验鸟中，短时间的整合窗口倾向于强调歌曲的开始部分。在一个案例中，这种效应足以改变短时间内的TMS。3. 每个TMS与最大同步（SMS）音节相关联。在不同的鸟类中，SMS的位置差异很大。在四种鸟类中，SMS是第一个基序的一个音节（基序是音节的时间序列，可以重复>或= 1次形成一首歌），在两只鸟中，SMS是歌曲的介绍音，在一只鸟中，SMS是最后一个（第三个）基序的第二个音节。与短消息类型相同但出现在其他母题中的音节通常引起的反应要弱得多，在许多情况下比这些母题中的其他音节弱。在非短信母题中引起强烈反应的音节不一定在短信母题中引起强烈反应，即使它们先于短信母题。SMS或前一个音节没有明显的声学特征，可以解释对歌曲的全球同步响应。（摘要删节为400字）
1. The spatial distribution of neuronal responses to autogenous song (AS) was investigated in the HVc of urethan-anesthetized adult male zebra finches (Taeniopygia guttata). In seven birds, penetrations covered the entire mediolateral, rostrocaudal, or dorsoventral extents of HVc. In an eighth, control birth penetrations were made near to but outside of HVc. Reconstruction of recording sites from histological material indicated a good correspondence between sites that exhibited stronger responses to AS than to tone or noise bursts, and sites that were within HVc. 2. Within each experimental bird but not in the control, multiple-unit responses to AS were similar across the entire spatial extent of HVc (up to 1.3 mm). For each experimental bird, the strongest responses occurred within a narrow range of times. The middle of this range of times is called the time of maximum synchronization (TMS). Across birds, 34–75% of recording sites exhibited the same TMS. With the use of a criterion of > 33% of sites exhibiting their strongest responses at the TMS, the temporal scatter around the TMS varied between 6 and 138 ms across individuals. In six of the seven experimental birds, the position of the TMS was not affected by changing the window of integration from 10 to 150 ms. In two experimental birds, short windows of integration tended to emphasize beginning portions of the song. In one case this effect was sufficiently strong to change the TMS for short windows of integration. 3. Each TMS was associated with a syllable of maximum synchronization (SMS). The positions of the SMS varied considerably across birds. In four birds the SMS was one of the syllables of the first motif (a motif is a temporal sequence of syllables that can be repeated > or = 1 times to form a song), in two birds the SMS was the introductory note of song, and in one bird the SMS was the second syllable of the last (3rd) motif. Syllables of the same type as the SMS but occurring in other motifs typically elicited much weaker responses, in many cases weaker than other syllables in those motifs. Syllables that elicited strong responses in non-SMS motifs did not necessarily elicit strong responses in the SMS motif, even if they preceded the SMS. There were no apparent acoustical features of the SMS or the preceding syllable that could account for the global synchronous response to song.(ABSTRACT TRUNCATED AT 400 WORDS)
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成年靛蓝鹀、雀斑雀的定型和塑料歌曲
影响因子：
2.5
作者：
D. Margoliash;C. Staicer;Sue A. Inoue
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DOI：
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作者：
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DOI：
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发表时间：
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期刊：
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影响因子：
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作者：
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DOI：
--
发表时间：
1989
期刊：
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影响因子：
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作者：
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