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Silent Communication: Toward Using Brain Signals

机译:沉默的交流:使用脑信号

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摘要

From the 1980s movie Firefox to the more recent Avatar, popular science fiction has speculated about the possibility of a persons thoughts being read directly from his or her brain. Such braincomputer interfaces (BCIs) [1] might allow people who are paralyzed to communicate with and control their environment, and there might also be applications in military situations wherever silent user-to-user communication is desirable [2]. Previous studies have shown that BCI systems can use brain signals related to movements and movement imagery [3] or attention-based character selection [4]. Although these systems have successfully demonstrated the possibility to control devices using brain function, directly inferring which word a person intends to communicate has been elusive. A BCI using imagined speech might provide such a practical, intuitive device. Toward this goal, our studies to date addressed two scientific questions: 1) Can brain signals accurately characterize different aspects of speech? 2) Is it possible to predict spoken or imagined words or their components using brain signals?
机译:从1980年代的电影Firefox到最近的《阿凡达》,科幻小说都在猜测人们可能会直接从他或她的大脑中读取思想。这种脑机接口(BCI)[1]可能使瘫痪的人们与他们的环境进行通信并控制他们的环境,并且在军事场合也可能需要无声的用户间通信[2]。先前的研究表明,BCI系统可以使用与运动和运动图像[3]或基于注意力的字符选择[4]有关的大脑信号。尽管这些系统已经成功地证明了使用大脑功能来控制设备的可能性,但是直接推断一个人想要传达的单词却难以捉摸。使用想象的语音的BCI可能会提供这种实用,直观的设备。为了实现这一目标,迄今为止,我们的研究解决了两个科学问题:1)脑信号能否准确表征语音的不同方面? 2)是否可以使用脑信号预测口头或想象中的单词或它们的成分?

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  • 来源
    《Pulse, IEEE》 |2012年第1期|p.43-46|共4页
  • 作者

    Pei X.; Hill J.; Schalk G.;

  • 作者单位

    BrainComputer Interface R&D Program, Wadsworth Center, Albany, New York.;

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  • 正文语种 eng
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