NDLI: Impact of mental focus on steady-state visually evoked potential under eyes closed condition for binary brain computer interface

Content Provider	IEEE Xplore Digital Library
Author	Nishifuji, S. Kuroda, T.
Copyright Year	2012
Description	Author affiliation: Dept. of Electron. & Inf. Syst. Eng., Yamaguchi Univ., Ube, Japan (Kuroda, T.) \|\| Dept. of Electr. & Electron. Eng., Yamaguchi Univ., Ube, Japan (Nishifuji, S.)
Abstract	The steady-state visually evoked potential (SSVEP), is found to be affected by mental focusing on the stimuli under eyes closed condition. The amplitude d change of the SSVEP in concentrating on flicker stimuli was investigated for a novel brain computer interface (BCI) based on the SSVEP with eyes closed for severely disabilities who were not able to control their eye movement to use conventional SSVEP-based BCIs. The amplitude of the SSVEP in the posterior region was found to be reduced by more than 20% in 10 out of 11 healthy adults when the subjects concentrated on the flicker stimuli under the conditions of flicker frequency of 10 Hz and stimulus intensity of 5 lx. Such an effect was observed in the occipital region under the condition of 14Hz and 5 lx. These results suggest the possibility of SSVEP-based binary BCI with eyes closed in terms of the mental focus.
Sponsorship	IEEE Eng. Medicine Biol. Soc.
Starting Page	1765
Ending Page	1768
File Size	586935
Page Count	4
File Format	PDF
ISBN	9781424441198
ISSN	1557170X
e-ISBN	9781457717871
DOI	10.1109/EMBC.2012.6346291
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Focusing Electroencephalography Brain computer interfaces Electrodes Steady-state Electric potential Visualization
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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