语音运动皮层使BCI的光标控制和点击成为可能
Tyler Singer-Clark1,2, Xianda Hou1,3, Nicholas S Card1
1Department of Neurological Surgery, University of California Davis, Davis, CA, United States of America.
Journal of neural engineering
|April 25, 2025
概括
来自腹部运动皮层的神经活动可以控制计算机的光标和点击,使个人计算机能够独立使用. 这一发现支持将这个大脑区域用于多模式大脑计算机接口 (BCI).
科学领域:
- 神经科学是一个神经科学.
- 生物医学工程 生物医学工程
- 康复技术 康复技术 康复技术
背景情况:
- 腹腔 (言语) 运动皮质是为高性能言语脑电脑接口 (BCI) 控制而建立的.
- 此前还没有确定这个区域是否可以支持光标和点击控制,通常与背部运动皮质联系在一起.
研究的目的:
- 调查腹前中心 (vPCG) 对于通过BCI实现光标和点击控制的潜力.
- 为了评估vPCG驱动的光标BCI的性能和校准速度.
主要方法:
- 招募了一名患有肌缩侧面硬化症 (ALS) 的参与者,此前已植入vPCG电极.
- 开发并测试了一个使用参与者的vPCG神经活动进行目标选择任务的光标BCI.
主要成果:
- 该vPCG光标BCI显示了快速校准 (40秒) 和准确的性能 (每秒2.90位).
- 参与者成功地使用BCI独立控制他们的个人电脑.
结论:
- 来自vPCG的神经活动可以有效地驱动光标并点击BCI.
- 在vPCG中植入电极来进行语音解码也可能促进多模式BCI用于语音和光标控制.
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