Design of an EEG-based Brain-Computer Interface (BCI) from Standard Components running in Real-time under Windows - Entwurf eines EEG-basierten Brain-Computer Interfaces (BCI) mit Standardkomponenten, das unter Windows in Echtzeit arbeitet
- 1 January 1999
- journal article
- Published by Walter de Gruyter GmbH in Biomedizinische Technik/Biomedical Engineering
- Vol. 44 (1-2) , 12-16
- https://doi.org/10.1515/bmte.1999.44.1-2.12
Abstract
An EEG-based brain-computer interface (BCI) is a direct connection between the human brain and the computer. Such a communication system is needed by patients with severe motor impairments (e.g. late stage of Amyotrophic Lateral Sclerosis) and has to operate in real-time. This paper describes the selection of the appropriate components to construct such a BCI and focuses also on the selection of a suitable programming language and operating system. The multichannel system runs under Windows 95, equipped with a real-time Kernel expansion to obtain reasonable real-time operations on a standard PC. Matlab controls the data acquisition and the presentation of the experimental paradigm, while Simulink is used to calculate the recursive least square (RLS) algorithm that describes the current state of the EEG in real-time. First results of the new low-cost BCI show that the accuracy of differentiating imagination of left and right hand movement is around 95%.Keywords
This publication has 1 reference indexed in Scilit:
- Graz brain-computer interface II: towards communication between humans and computers based on online classification of three different EEG patternsMedical & Biological Engineering & Computing, 1996