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Objective Indication of Fatigue in SSVEP-based BCI through EEG Spectral Analysis
T. Cao1; C. M. Wong1; F. Wan1; Y. Hu2
2013
Conference Namethe 5th International Brain-Computer Interface (BCI) Meeting
Source Publicationthe Proceedings of the 5th International Brain-Computer Interface (BCI) Meeting
Conference DateJune 3-7, 201
Conference PlaceCA, USA
Abstract

A critical problem in steady-state visual evoked potential (SSVEP)-based brain-computer interfaces (BCIs) is the fatigue that the users may suffer when staring at flashing stimuli. This paper studies an objective evaluation of the fatigue in SSVEP-based BCIs by EEG spectral analysis. The results show that the brain is slowing its activity as a result of the reduced cognitive capacity during fatigue, and the SSVEP amplitude as well as the signal-to-noise ratio (SNR) are influenced by fatigue level.

KeywordBci Ssvep Visual Stimulus Fatigue Eeg
DOIhttp://dx.doi.org/10.3217/978-3-85125-260-6-9
Language英语
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Document TypeConference paper
CollectionFaculty of Science and Technology
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.University of Macau, Macau
2.University of Hong Kong, Hong Kong
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
T. Cao,C. M. Wong,F. Wan,et al. Objective Indication of Fatigue in SSVEP-based BCI through EEG Spectral Analysis[C],2013.
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