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The wadsworth BCI research and development program: at home with BCI

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7 Author(s)
T. M. Vaughan ; Lab. of Nervous Syst. Disorders, New York State Dept. of Healthand State Univ. of New York, Albany, NY, USA ; D. J. McFarland ; G. Schalk ; W. A. Sarnacki
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The ultimate goal of brain-computer interface (BCI) technology is to provide communication and control capacities to people with severe motor disabilities. BCI research at the Wadsworth Center focuses primarily on noninvasive, electroencephalography (EEG)-based BCI methods. We have shown that people, including those with severe motor disabilities, can learn to use sensorimotor rhythms (SMRs) to move a cursor rapidly and accurately in one or two dimensions. We have also improved P300-based BCI operation. We are now translating this laboratory-proven BCI technology into a system that can be used by severely disabled people in their homes with minimal ongoing technical oversight. To accomplish this, we have: improved our general-purpose BCI software (BCI2000); improved online adaptation and feature translation for SMR-based BCI operation; improved the accuracy and bandwidth of P300-based BCI operation; reduced the complexity of system hardware and software and begun to evaluate home system use in appropriate users. These developments have resulted in prototype systems for every day use in people's homes.

Published in:

IEEE Transactions on Neural Systems and Rehabilitation Engineering  (Volume:14 ,  Issue: 2 )