Abstract

Electroencephalograph (EEG)-based brain-computer interfaces (BCI's) require on-line detection of mental states from spontaneous EEG signals. In this framework, surface Laplacian (SL) transformation of EEG signals has proved to improve the recognition scores of imagined motor activity. The results we obtained in the first year of an European project named adaptive brain interfaces (ABI) suggest that: 1) the detection of mental imagined activity can be obtained by using the signal space projection (SSP) method as a classifier and 2) a particular type of electrodes can be used in such a BCI device, reconciling the benefits of SL waveforms and the need for the use of few electrodes. Recognition of mental activity was attempted on both raw and SL-transformed EEG data from five healthy people performing two mental tasks, namely imagined right and left hand movements.

Keywords

Brain–computer interfaceElectroencephalographyMotor imageryComputer sciencePattern recognition (psychology)Classifier (UML)Artificial intelligencePsychologySpeech recognitionComputer visionNeuroscience

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Year
2000
Type
article
Volume
8
Issue
2
Pages
186-188
Citations
152
Access
Closed

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Fabio Babiloni, Febo Cincotti, L. Lazzarini et al. (2000). Linear classification of low-resolution EEG patterns produced by imagined hand movements. IEEE Transactions on Rehabilitation Engineering , 8 (2) , 186-188. https://doi.org/10.1109/86.847810

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DOI
10.1109/86.847810