NDLI: Fluctuation of complex wavelet coefficients amplitude correlation in EEG

Content Provider	IEEE Xplore Digital Library
Author	Vysata, O. Prochazka, A. Kukal, J.
Copyright Year	2009
Description	Author affiliation: Institute of Chemical Technology in Prague, Dept of Computing and Control Engineering, Technicka Street 5, 166 28 Prague 6, Czech Republic (Prochazka, A.; Kukal, J.) \|\| Neurocenter Caregroup, Jiráskova 1389, 516 01 Rychnov nad Kn¿¿nou, Czech Republic (Vysata, O.)
Abstract	The paper is devoted to a novel method for detecting the back-loop regulation of coupling and decoupling between cortical neurones from electroencephalogram (EEG) signals. In this method, a linear time-scale quantifier of the multivariate relationship between simultaneously observed time series takes advantage of unique properties of complex wavelets such as shift invariance, substantially reduced aliasing and non-oscillating magnitude. The quantifier provides correlation between amplitude of complex wavelet coefficients for different frequencies (controlled by the scale factor) at different times (controlled by the time shift). Biological interpretation of this measure is derived from a priori information about presence of inhibitory back-loop connections between cortical neurones in short distance while the long range excitatory connections do not appear to target or effectively excite inhibitory interneurons and analysis of sample pairs of EEG signals.
Starting Page	1
Ending Page	5
File Size	584181
Page Count	5
File Format	PDF
ISBN	9781424432974
DOI	10.1109/ICDSP.2009.5201183
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-05
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluctuations Wavelet coefficients Electroencephalography Discrete wavelet transforms Frequency Cerebral cortex Information processing Continuous wavelet transforms Electronic mail Signal analysis EEG Dual tree complex wavelet transform discrete wavelet transform coherence
Content Type	Text
Resource Type	Article

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