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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Goto, K. Sugi, T. Matsuda, Y. Goto, S. Fukuda, H. Goto, Y. Yamasaki, T. Tobimatsu, S. |
| Copyright Year | 2013 |
| Description | Author affiliation: Dept. of Clinical Neurophysiol., Kyushu Univ., Fukuoka, Japan (Yamasaki, T.; Tobimatsu, S.) || Dept. of Occupational Therapy, Int. Univ. of Health & Welfare, Fukuoka, Japan (Goto, Y.) || Dept. of Adv. Technol. Fusion, Saga Univ., Saga, Japan (Sugi, T.; Matsuda, Y.; Goto, S.) || Dept. of Sci. & Adv. Technol., Saga Univ., Saga, Japan (Goto, K.) || Yame Rehabilitation Hosp., Fukuoka, Japan (Fukuda, H.) |
| Abstract | Visual evoked potentials (VEPs) are the electrical responses from the brain concerned with visual information processing. Amplitude of VEPs is smaller than that of background EEG activity, and the stimulus-locked averaging method is usually used for obtained the waveform. VEP response to each stimulus is not completely the same however it is varying with its amplitude and duration. Therefore, amplitude of averaged VEP waveform deteriorates due to their variability in raw data. Feature extraction of background EEG activity during visual stimulation is also a one of significant items in VEP analysis. In that case, separation of VEP component and background EEG component (mainly posterior dominant rhythm) is crucial. In the past, we proposed the method of estimating both amplitude of VEP and dominant rhythm by use of EEG model. This present study, the proposed method was applied to actual recorded VEP data and its effectiveness was evaluated. EEGs with visual stimulus were recorded from nine healthy young adults. Usefulness of the proposed method was investigated by comparing the conventional power spectrum averaging method. The proposed method will be applicable to show an accurate VEP analysis and characteristic analysis of background activity under visual stimulus. |
| Sponsorship | IEEE Ind. Electron. Soc. |
| Starting Page | 233 |
| Ending Page | 236 |
| File Size | 624480 |
| Page Count | 4 |
| File Format | |
| ISBN | 9788993215052 |
| ISSN | 20937121 |
| DOI | 10.1109/ICCAS.2013.6703899 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-10-20 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Posterior dominant rhythm TV Brain modeling Rhythm Visual evoked potentials (VEPs) Amplitude estimation EEG model Optimization |
| Content Type | Text |
| Resource Type | Article |
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