A SSVEP brain–computer interface under the hybrid stimuli of P300 and SSVEP

Luzheng Bi*, K. Jie, Jinling Lian, Bingqing Wu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

To develop a hybrid brain–computer interface (BCI) based on P300 and steadystate visual evoked potential (SSVEP), we explore the feasibility of eliciting the SSVEP potential and developing the SSVEP BCI under the hybrid stimuli of SSVEP and P300, and analyze the effects of P300 stimuli on the SSVEP potential and the performance of the SSVEP BCI. The hybrid stimuli include the SSVEP stimuli, which are composed of two rectangle checkerboards presented on a LCD screen and flashing at designated frequencies, respectively, and the P300 stimuli comprising nine characters located between the SSVEP stimuli. Subjects are required to pay attention to both SSVEP and P300 stimuli simultaneously. To evaluate the performance of the SSVEP potential and SSVEP BCI under the hybrid stimuli, we adopt the SNR of SSVEP potential and the classification accuracy and information transfer rate (ITR) of the SSVEP BCI as performance measures. The experimental results show that it is feasible to evoke SSVEP potential and develop the SSVEP BCI when subjects pay attention to both P300 and SSVEP stimuli simultaneously. The findings lay a foundation for developing the simultaneous hybrid BCIs based on SSVEP and P300.

Original languageEnglish
Title of host publicationWIT Transactions on Modelling and Simulation
EditorsHonghuan Tan
PublisherWITPress
Pages1095-1104
Number of pages10
ISBN (Electronic)9781845649821
DOIs
Publication statusPublished - 1 Jun 2014
Event2014 International Conference on Simulation and Modeling Methodologies, Technologies and Applications, SMTA 2014 - Sanya, China
Duration: 20 Feb 201421 Feb 2014

Publication series

NameWIT Transactions on Modelling and Simulation
Volume60
ISSN (Print)1743-355X

Conference

Conference2014 International Conference on Simulation and Modeling Methodologies, Technologies and Applications, SMTA 2014
Country/TerritoryChina
CitySanya
Period20/02/1421/02/14

Keywords

  • Human–computer interaction
  • Human–robot interface
  • Hybrid BCI
  • P300
  • SSVEP

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