Slow Sphering to Suppress Non-Stationaries in the EEG


Reuderink, Boris and Farquhar, Jason and Poel, Mannes (2011) Slow Sphering to Suppress Non-Stationaries in the EEG. International Journal of Bioelectromagnetism, 13 (2). pp. 78-79. ISSN 1456-7865

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Abstract:Non-stationary signals are ubiquitous in electroencephalogram (EEG) signals and pose a problem for robust application of brain-computer interfaces (BCIs). These non-stationarities can be caused by changes in neural background activity. We present a dynamic spatial filter based on time local whitening that significantly reduces the detrimental influence of covariance changes during event-related desynchronization classification of an imaginary movement task.
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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