作者
G Edward Vates, David S Vicario, Fernando Nottebohm
发表日期
1997/4/7
期刊
Journal of Comparative Neurology
卷号
380
期号
2
页码范围
275-290
出版商
John Wiley & Sons, Inc.
简介
Songbirds have a complex vocal repertoire, much of which is learned by imitation. The vocal motor system of songbirds includes a set of telencephalic pathways dedicated to the acquisition and production of learned song. The main vocal motor pathway goes from the high vocal center (HVC) to the robust nucleus of the archistriatum (RA), which in turn innervates mesencephalic and medullary nuclei involved in vocalization. We used neural tract tracers (biotinylated dextran amines, fluorescein‐ and rhodamine‐linked dextran amines, and Fluorogold) to show that RA of adult male canaries (Serinus canaria) and zebra finches (Taeniopygia guttata) sends an ipsilateral projection to the posterior portion of the dorsomedial thalamic nucleus (DMP). DMP projects to the medial portion of the magnocellular nucleus of the anterior neostriatum (mMAN), which is known to project to HVC, forming a feedback circuit. We also …
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