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白物质在青少年时期的基础节奏感知轨道
Peiyang Guo1, Zonglei Zhen2, Shiting Yang1
1State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China.
NeuroImage
|September 22, 2025
概括
青少年的节奏感知依赖于共享的白质网络,包括和体. 特定的路径支持基于节拍和基于序列的处理,整合传感运动和记忆系统,用于潜在的干预.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 认知科学 认知科学
背景情况:
- 青春期是大脑发育的关键时期,特别是白质的成熟.
- 节奏处理越来越多地被认为对青少年神经心理发展及其干预潜力的作用.
- 关于青少年支节奏感知的特定白质网络的理解有限.
研究的目的:
- 研究青少年白质微观结构与基于节拍和基于序列的节奏感知之间的相关性.
- 识别特定的白质区域,参与节奏处理的不同方面.
- 探索节奏感知和其他认知技能之间潜在的共享神经资源.
主要方法:
- 扩散张力成像 (DTI) 用于评估65名典型发育青少年的白质微观结构.
- 参与者完成了评估基于节拍 (脉冲检测) 和基于序列 (模式歧视) 的节奏感知任务.
- 统计分析检查了白质管道完整性和节奏感知性能之间的相关性,控制其他认知技能.
主要成果:
- 共有的白质网络,包括,小脑通道和大脑体,对于基于节拍和基于序列的节奏感知都至关重要.
- 特定的感觉运动通路 (上纵长I,中小脑脚) 与基于节拍的感知有关.
- 晶圆束特别与基于序列的节奏感知有关.
- 基于节拍的感知显示了快速自动命名的共享神经资源,涉及左上纵向囊I和.
结论:
- 青少年的节奏感知得到了连接感官运动和记忆系统的集成白质路径的支持.
- 这些发现强调了特定白质区域对于时间处理和半球间通信的重要性.
- 这些见解对开发基于节奏的发育障碍干预措施有影响.
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