Design of an Electroencephalogram Module for Brain Computer Interface Oriented to People with Motor Disabilities

P. Tupayachi, J. Piñeyro, R. Callupe, R. Alvarado
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引用次数: 3

Abstract

In this work an acquisition module of EEG (Electroencephalographic) signals was developed, oriented to the later construction of a brain computer interface which could allows offer aid and/or rehabilitation therapy to people with motor and/or communication disabilities. The study of these brain computer interfaces is not new, has around 2 decades of investigation. For the implementation of these systems is basically needed 3 stages: An EEG signals acquisition, a signal processing stage, so that it is finally possible to extract specific signal features, according to certain stimuli and finally, features are translated into commands that operate a device like the movement of wheelchairs, prosthesis of amputated members, movement of images or even selection of letters to form words in screen. The acquisition systems used in the study of Brain computer interfaces are usually expensive for that reason this work is centralized in the development of the EEG acquisition stage which allows the beginning of the investigation in this area in our country
面向运动障碍者脑机接口的脑电图模块设计
在这项工作中,开发了EEG(脑电图)信号的采集模块,面向脑机接口的后期构建,该接口可以为有运动和/或沟通障碍的人提供援助和/或康复治疗。对这些脑机接口的研究并不新鲜,已经进行了大约20年的调查。这些系统的实现基本上需要3个阶段:一个EEG信号采集阶段,一个信号处理阶段,最终可以根据一定的刺激提取特定的信号特征,最后将这些特征转化为命令,操作轮椅的运动、截肢肢体的假肢、图像的运动甚至是选择字母来组成屏幕上的单词。脑机接口研究中使用的采集系统通常价格昂贵,因此这项工作主要集中在脑电图采集阶段的开发,这使得我国在这一领域的研究起步
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