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Updated: Jun 22, 2025

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A Method to Study Adaptation to Left-Right Reversed Audition
Published on: October 29, 2018
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听力空间的双重表示
Stephanie Clarke1, Sandra Da Costa1, Sonia Crottaz-Herbette1
1Neuropsychology and Neurorehabilitation Service, Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, Av. Pierre-Decker 5, 1011 Lausanne, Switzerland.
Brain sciences
|June 27, 2024
概括
大脑使用听觉空间线索来定位声音和对象表示. 与位置相关的声音对象编码主要涉及左半球,与声音本地化不同,右半球占主导地位.
科学领域:
- 神经科学是一个神经科学.
- 听觉感知是一种听觉感知.
- 认知心理学 认知心理学
背景情况:
- 听觉空间线索具有双重功能:明确的声音源定位和与位置相关的声音对象表示.
- 之前的研究表明,对于明确的声音定位,右半球占主导地位.
- 一项临床案例研究揭示了解离,局部化受损,但保留了用于声音对象分离的空间暗示使用.
研究的目的:
- 审查有关大脑区域的证据,这些区域参与了与位置相关的声音对象的表示.
- 调查听觉唤起潜力 (AEP) 和功能磁共振成像 (fMRI) 研究如何探索这一方面.
- 综合来自损伤研究和神经成像的发现,以了解半球参与.
主要方法:
- 对听觉唤起潜力 (AEP) 和功能磁共振成像 (fMRI) 研究进行系统的文献搜索.
- 研究比较了静止与移动的声音对象的编码.
- 纳入研究,检查大脑损伤后受损的基于空间暗示的声音对象分离的解剖相关性.
主要成果:
- 确定了1项AEP研究和12项符合搜索标准的fMRI研究.
- 有证据表明,与位置相关的声音对象表示主要涉及左半球,右半球有所贡献.
- 位置相关编码发生在早期的听觉区域和时语音区域,它有利于情感价值处理.
结论:
- 声音对象的位置链接表示与显式声音定位相比,显示出明显的半球参与.
- 左半球在编码声音对象的空间属性方面发挥着重要作用.
- 在听觉区域的这种空间编码机制也影响了处理情感价值的过程.
关键词:
7T fMRI 7T fMRI 7T fMRI 7T fMRI 7T fMRI 7T fMRI 7T fMRI 7T fMRI 7T fMRI 7T fMRI 7T fMRI 7听觉带区域是听觉带区域.听觉唤起了潜在的潜力.听觉的空间线索.横向化 (lateralization) 是一种侧向化.主要的听觉皮层主要是听觉皮层.声音本地化 声音本地化更多相关视频
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