探索乌的Caudolateral Nidopallium和它的歌曲系统之间的解剖学联系
Felix W Moll1, Ylva Kersten1, Saskia Erdle1
1Animal Physiology Unit, Institute of Neurobiology, University of Tübingen, Tübingen, Germany.
The Journal of comparative neurology
|February 8, 2025
概括
乌的caudolaterale nidopallium (NCL) 与歌声系统平行,投射到诸如arcopallium (RA) 和X区域之类的运动区域. 这表明NCL是一般运动系统的一部分,具有最小的歌曲系统连接.
科学领域:
- 神经科学是一个神经科学.
- 鸟类的认知能力
- 职业教育的学习是职业学习.
背景情况:
- 乌 (乌类歌唱鸟) 显示先进的认知能力,包括声控.
- 乌的尾巴 (NCL) 与声乐和非声乐行为有关.
- 乌NCL与其歌声系统之间的直接解剖学联系以前尚不清楚.
研究的目的:
- 为了研究乌的NCL及其歌声系统之间的解剖联系.
- 为了确定NCL是否与控制发声的神经通路集成.
主要方法:
- 利用光追踪器绘制神经通路的地图.
- 采用组织学染色技术进行详细分析.
- 从NCL检查到歌曲系统核 (AID,RA,X区域) 的预测.
- 研究了从前部内骨 (MAN) 的巨细胞核到NCL和HVC的投影.
主要成果:
- 该NCL密集地投射到arcopallium (AID) 和X区域,反映曲核HVC投射.
- 在X区域观察到稀疏的NCL纤维.
- 截然不同的MAN神经元群体与NCL和HVC并行,没有重叠.
- NCL和歌曲系统路径似乎在很大程度上是分开的.
结论:
- NCL很可能是乌平行"通用运动系统"的一部分.
- NCL与歌曲系统的直接 (单突触) 互连是最小的.
- 这表明,对于一般运动功能和专门的发音,神经控制是不同的,但并行的.
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