New Approach to Estimation of Interchannel Phase Coupling of Electroencephalograms

A new method to estimate the phase coupling of electroencephalogram (EEG) signals in different channels is based on the calculation of difference of phase characteristics for channel signals at the ridge points (maximum magnitudes) of wavelet spectra. It is shown that the method can be used to deter...

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Bibliographic Details
Published in:Journal of communications technology & electronics 2018-09, Vol.63 (9), p.1070-1075
Main Authors: Tolmacheva, R. A., Obukhov, Yu. V., Polupanov, A. F., Zhavoronkova, L. A.
Format: Article
Language:English
Subjects:
Applications of Radiotechnology and Electronics in Biology and Medicine
Communications Engineering
Coupling
Electroencephalography
Engineering
Medical research
Networks
Wavelet analysis
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Summary:A new method to estimate the phase coupling of electroencephalogram (EEG) signals in different channels is based on the calculation of difference of phase characteristics for channel signals at the ridge points (maximum magnitudes) of wavelet spectra. It is shown that the method can be used to determine phase-coupled pairs of EEG leads and distinguish such pairs from uncoupled pairs. The interchannel phase coupling of EEG is estimated for cognitive and motor tests of a normal patient and a patient with craniocerebral injury
ISSN:1064-2269
1555-6557
DOI:10.1134/S1064226918090206