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Asynchronous BCI control using high-frequency SSVEP

Open access
Diez, Pablo F, Mut, Vicente A, Avila Perona, Enrique M, Laciar Leber, Eric·2011·Journal of NeuroEngineering and Rehabilitation

Abstract

BACKGROUND: Steady-State Visual Evoked Potential (SSVEP) is a visual cortical response evoked by repetitive stimuli with a light source flickering at frequencies above 4 Hz and could be classified into three ranges: low (up to 12 Hz), medium (12-30) and high frequency (> 30 Hz). SSVEP-based Brain-Computer Interfaces (BCI) are principally focused on the low and medium range of frequencies whereas there are only a few projects in the high-frequency range. However, they only evaluate the performance of different methods to extract SSVEP. METHODS: This research proposed a high-frequency SSVEP-based asynchronous BCI in order to control the navigation of a mobile object on the screen through a scenario and to reach its final destination. This could help impaired people to navigate a robotic wheelchair. There were three different scenarios with different difficulty levels (easy, medium and difficult). The signal processing method is based on Fourier transform and three EEG measurement channels. RESULTS: The research obtained accuracies ranging in classification from 65% to 100% with Information Transfer Rate varying from 9.4 to 45 bits/min. CONCLUSIONS: Our proposed method allows all subjects participating in the study to control the mobile object and to reach a final target without prior training.

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Metadata

Authors
Diez, P. F., Mut, V. A., Avila Perona, E. M., & Laciar Leber, E.
Venue
Journal of NeuroEngineering and Rehabilitation
Published
2011
Volume
8
Issue
1
Pages
39
ISSN
1743-0003 (ISSN-L)
OpenAlex
W2075039042
Cited by
212
References
1
FWCI
6.93
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Asynchronous BCI control using high-frequency SSVEP. https://app.cochat.ai/papers/10.1186/1743-0003-8-39
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Diez, P. F., Mut, V. A., Avila Perona, E. M., & Laciar Leber, E. (2011). Asynchronous BCI control using high-frequency SSVEP. Journal of NeuroEngineering and Rehabilitation. https://doi.org/10.1186/1743-0003-8-39

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