The Impact of Loss of Control on Movement BCIs


Reuderink, Boris and Poel, Mannes and Nijholt, Anton (2011) The Impact of Loss of Control on Movement BCIs. IEEE transactions on neural systems and rehabilitation engineering, 19 (6). pp. 628-637. ISSN 1534-4320

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Abstract:Brain–computer interfaces (BCIs) are known to suffer from spontaneous changes in the brain activity. If changes in the mental state of the user are reflected in the brain signals used for control, the behavior of a BCI is directly influenced by these states. We investigate the influence of a state of loss of control in a variant of Pacman on the performance of BCIs based on motor control. To study the effect a temporal loss of control has on the BCI performance, BCI classifiers were trained on electroencephalography (EEG) recorded during the normal control condition, and the classification performance on segments of EEG from the normal and loss of control condition was compared. Classifiers based on event-related desynchronization unexpectedly performed significantly better during the loss of control condition; for the event-related potential classifiers there was no significant difference in performance.
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Copyright:© 2011 IEEE
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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