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Novel protocols for P300-based brain-computer interfaces

Salvaris, M and Cinel, C and Citi, L and Poli, R (2012) 'Novel protocols for P300-based brain-computer interfaces.' IEEE Transactions on Neural Systems and Rehabilitation Engineering, 20 (1). 8 - 17. ISSN 1534-4320

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Abstract

The oddball protocol is often used in brain-computer interfaces (BCIs) to induce P300 ERPs, although, recently, some issues have been shown to detrimentally effect its performance. In this paper, we study a new periodic protocol and explore whether it can compete with the standard oddball protocol within the context of a BCI mouse. We found that the new protocol consistently and significantly outperforms the standard oddball protocol in relation to information transfer rates (33 bits/min for the former and 22 bits/min for the latter, measured at 90% accuracy) as well as P300 amplitudes. Furthermore, we performed a comparison of two periodic protocols with two less conventional oddball-like protocols that reveals the importance of the interactions between task and sequence in determining the success of a protocol. © 2006 IEEE.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Jim Jamieson
Date Deposited: 11 Feb 2013 14:07
Last Modified: 05 Feb 2019 17:15
URI: http://repository.essex.ac.uk/id/eprint/5483

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