损伤与左半球单方面中风后声学声学感知受损的相关性
Jeffrey R Binder1,2, Anna Freiberg1, Joseph Heffernan1
1Department of Neurology, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
Brain : a journal of neurology
|January 10, 2025
概括
在左半球中风后,听觉-语音感知受损,对于理解语音至关重要,是常见的. 特定的左叶区域,包括横 temporal gyrus,对于区分语音来说至关重要.
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.
- 语音处理 语音处理
背景情况:
- 声学语音感知是区分语言声音的能力.
- 获得性损伤,称为纯单词聋,通常是双边脑损伤的结果.
- 单边左半球损伤对这种能力的影响以及涉及的特定大脑区域仍然不清楚.
研究的目的:
- 调查左半球单边中风后声学音声感知缺陷的流行率和病变相关性.
- 为了确定负责不同类型的语音声音歧视的关键左半球区域.
主要方法:
- 七十三名患有慢性左半球中风的个体被评估了声声语音感知.
- 使用多变量病变-症状映射,控制混因素.
- 分析检查了地点,方式,发音和元音的歧视,并对跨道的重叠分析.
主要成果:
- 18%的中风患者表现出听力听觉受损;表达歧视受到影响最多 (44%).
- 鉴定到的关键区域包括横 temporal gyrus (TTG),声波辐射和后部上部时间 (pSTS).
- 特定的歧视类型与TTG,时间平面和pSTS内的不同分区域有关.
结论:
- 在单方面左叶损伤后,声学声学障碍,特别是表达感知缺陷是常见的.
- 该研究澄清了各种语音声音歧视类型的特定损伤相关性.
- 研究结果表明,不同语音特征对光谱和时间处理的依赖程度不同.
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