一个皮质网站,编码语音表达和接收
Thomas Pomberger1, Katherine S Kaplan1, Rene Carter1
1Department of Neurobiology, Duke University, Durham, NC 27710, USA.
bioRxiv : the preprint server for biology
|October 28, 2024
概括
在小鼠体内,后侧胰岛 (pIns) 编码声音表达和声音接收. 尖端神经元中不同的神经元群响应发声和社交线索,突出其在社会沟通中的作用.
科学领域:
- 神经科学是一个神经科学.
- 动物行为 动物行为
- 审计处理 审计处理
背景情况:
- 在社会上有效的语音沟通依赖于大脑区域在特定的社会背景下处理表达和接受的发音.
- 后侧胰岛 (pIns) 参与声乐交流,但其在编码社会上下文依赖的声乐表达和接收方面的确切作用尚不清楚.
研究的目的:
- 在小鼠的社交声交通信过程中,研究后部岛屿 (pIns) 中的神经元活动.
- 确定pIns活动与声表达,声接收和社交线索的关系.
主要方法:
- 利用一种与微内镜结合的新型行为分析来监测社交互动小鼠的pIns中的神经元活动.
- 雇佣追踪实验来映射从pIns到参与声控和听觉处理的其他大脑区域的神经连接.
主要成果:
- 在发声表达和接收期间活跃的pIns中确定了不同的,空间交织的神经元群体.
- 观察到pIns活动先于发声,表明运动作用,甚至存在于先天聋的小鼠中.
- 发现受体pIns活动受到社会线索的调节,例如女性气味.
- 揭示了从深层pIns神经元到听觉丘脑和中脑声门区域的直接神经连接.
结论:
- 后部岛屿 (pIns) 在编码语音通信的表达和接受方面起着至关重要的作用.
- 脑中神经元活动取决于环境,将发声的运动信号与由社会线索调节的感官信息相结合.
- 该pIns作为一个关键节点,在社会背景下桥接听力处理和发音控制.
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