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A local neural classifier for the recognition of EEG patterns associated to mental tasks

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7 Author(s)
del R Millan, J. ; Joint Res. Centre, Comm. of the Eur. Communities, Ispra, Italy ; Mourino, J. ; Franze, M. ; Cincotti, F.
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This paper proposes a novel and simple local neural classifier for the recognition of mental tasks from on-line spontaneous EEG signals. The proposed neural classifier recognizes three mental tasks from on-line spontaneous EEG signals. Correct recognition is around 70%. This modest rate is largely compensated by two properties, namely low percentage of wrong decisions (below 5%) and rapid responses (every 1/2 s). Interestingly, the neural classifier achieves this performance with a few units, normally just one per mental task. Also, since the subject and his/her personal interface learn simultaneously from each other, subjects master it rapidly (in a few days of moderate training). Finally, analysis of learned EEG patterns confirms that for a subject to operate satisfactorily a brain interface, the latter must fit the individual features of the former

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Neural Networks, IEEE Transactions on  (Volume:13 ,  Issue: 3 )