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Estimation of SSVEP-based EEG complexity using inherent fuzzy entropy

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Cao, Z ORCID: 0000-0003-3656-0328, Prasad, M and Lin, C-T 2017 , 'Estimation of SSVEP-based EEG complexity using inherent fuzzy entropy', in Proceedings of the 2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE) , IEEE-Inst Electrical Electronics Engineers Inc , doi: 10.1109/FUZZ-IEEE.2017.8015730.

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Abstract

This study considers the dynamic changes of complexity feature by fuzzy entropy measurement and repetitive steady-state visual evoked potential (SSVEP) stimulus. Since brain complexity reflects the ability of the brain to adapt to changing situations, we suppose such adaptation is closely related to the habituation, a form of learning in which an organism decreases or increases to respond to a stimulus after repeated presentations. By a wearable electroencephalograph (EEG) with Fpz and Oz electrodes, EEG signals were collected from 20 healthy participants in one resting and five-times 15 Hz SSVEP sessions. Moreover, EEG complexity feature was extracted by multi-scale Inherent Fuzzy Entropy (IFE) algorithm, and relative complexity (RC) was defined the difference between resting and SSVEP. Our results showed the enhanced frontal and occipital RC was accompanied with increased stimulus times. Compared with the 1st SSVEP session, the RC was significantly higher than the 5th SSVEP session at frontal and occipital areas (p < 0.05). It suggested that brain has adapted to changes in stimulus influence, and possibly connected with the habituation. In conclusion, effective evaluation of IFE has a potential EEG signature of complexity in the SSEVP-based experiment.

Item Type: Conference Publication
Authors/Creators:Cao, Z and Prasad, M and Lin, C-T
Keywords: EEG, SSVEP, complexity, inherent fuzzy entropy
Journal or Publication Title: Proceedings of the 2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
ISSN: 1558-4739
DOI / ID Number: 10.1109/FUZZ-IEEE.2017.8015730
Copyright Information:

Copyright © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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