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首页> 外文期刊>The European Journal of Neuroscience >Localized immediate early gene expression related to the strength of song learning in socially reared zebra finches.
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Localized immediate early gene expression related to the strength of song learning in socially reared zebra finches.

机译：本地化的早期早期基因表达与社交饲养的斑马雀科动物的歌曲学习强度有关。

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摘要

Recent evidence showed that exposure of tape-tutored zebra finch (Taeniopygia guttata castanotis) males to the tutor song involves neuronal activation in brain regions outside the conventional 'song control pathways', particularly the caudal part of the neostriatum (NCM) and of the hyperstriatum ventrale (CMHV). Zebra finch males were reared with a live tutor during the sensitive period for song learning. When, as adults, they were re-exposed to the tutor song, the males showed increased expression of Fos, the protein product of the immediate early gene c-fos, in the NCM and CMHV, compared with expression in two conventional 'song control nuclei', high vocal centre (HVC) and Area X. The strength of the Fos response (which is a reflection of neuronal activation) in the NCM (but not in the other three regions) correlated significantly and positively with the number of song elements that the birds had copied from the tutor song. Thus, socially tutored zebra finch males show localized neural activation in response to tutor song exposure, which correlates with the strength of song learning.
机译：最近的证据表明，将带磁带的斑马雀（Taeniopygia guttata castanotis）男性暴露于家庭教师的歌曲中会涉及到传统“歌曲控制路径”之外的大脑区域的神经元激活，特别是新纹状体（NCM）的尾部和超纹状体腹（CMHV）。在敏感的时期，斑马雀科的雄性与活的家教一起饲养，以进行歌曲学习。当成年后，当它们重新暴露于家庭教师的歌曲时，与两个传统的“歌曲对照”中的表达相比，这些雄性在NCM和CMHV中显示出立即早期基因c-fos的蛋白质产物Fos的表达增加。核，高声中枢（HVC）和X区域。NCM（但在其他三个区域中则除外）的Fos反应强度（反映神经元激活）与歌曲元素的数量呈显着正相关那鸟是从导师的歌中复制来的。因此，受社会辅导的斑马雀科男性表现出对家教歌曲暴露的响应，这与歌曲学习的强度有关。

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