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Time-variant Spectral Analysis of Electroencephalograms

โœ Scribed by Doz. Dr. sc. nat. H.-J. Volke; Prof. Dr. sc. med. P. Dettmar

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
722 KB
Volume
32
Category
Article
ISSN
0323-3847

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โœฆ Synopsis

Abstract

Methods usually applied for analysis of biological signals, as a rule, presuppose stationarity of the time series under investigation. Such kind of approach, however, will certainly be connected with an essential loss of information as dynamic properties of the system are excluded from consideration a priori. The method of timeโ€variant spectral analysis of the EEG suggested in this paper, on the contrary, provides timeโ€relatedchanges of the spectral coefficients. Additinonally, a decomposition of the EEG into its natural componentsas well as a combined EEGโ€/EPโ€analysis is enabled.

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