articulatory,声学和语义语音表示的全脑动态
Maxime Verwoert1, Joaquín Amigó-Vega2,3, Yingming Gao4
1Department of Neurosurgery, Mental Health and Neuroscience Research Institute, Maastricht University, Maastricht, The Netherlands. m.verwoert@maastrichtuniversity.nl.
这项研究绘制了大脑中的语音表示. 语义,发音和声学语音过程是双边分布的,观察到不同的网络和半球专业化.
科学领域:
- 神经科学是一个神经科学.
- 语音科学 语言科学
- 计算语言学 计算语言学
背景情况:
- 语音生产涉及语义,发音和声学表示.
- 了解这些表示的神经基础对于脑-计算机接口至关重要.
研究的目的:
- 绘制大脑中语义,发音和声学语音表示的空间和时间分布.
- 为了研究语音表示处理中的半球差异.
主要方法:
- 15名参与者使用1647个电极接触器记录了内神经数据.
- 参与者在数据采集过程中公开说出了100个独特的单词.
- 分析的重点是识别语义,发音和声学语音组件的神经相关性.
主要成果:
- 这三种语音表现 (语义,发音,声学) 都显示出双边空间分布.
- 与右半球相比,左半球表现出比右半球更广泛和时间动态的表现.
- 关节和声学表示聚集在西尔维亚裂周围,而语义表示则在不同的网络中分布更广泛.
结论:
- 语音产生是一种高度分布的神经过程,涉及不同的但相互作用的大脑网络.
- 非运动语音表现为高级语音脑电脑接口提供了潜力.
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