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Use of running fractal dimension for the analysis of changing patterns in electroencephalograms

Pradhan, N and Narayana Dutt, D (1993) Use of running fractal dimension for the analysis of changing patterns in electroencephalograms. In: Computers in Biology and Medicine, 23 (5). pp. 381-388.

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Official URL: http://dx.doi.org/10.1016/0010-4825(93)90135-N


Running fractal dimensions were measured on four channels of an electroencephalogram (EEG) recorded from a normal volunteer. The changes in the background activity due to eye closure were clearly differentiated by the fractal method. The compressed spectral array (CSA) and the running fractal dimensions of the EEG showed corresponding changes with respect to change in the background activity. The fractal method was also successful in detecting low amplitude spikes and the changes in the patterns in the EEG. The effects of different window lengths and shifts on the running fractal dimension have also been studied. The utility of fractal method for EEG data compression is highlighted.

Item Type: Journal Article
Publication: Computers in Biology and Medicine
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Author Keywords:Fractal;Running fractal dimension;Chaotic dynamics;Computer analysis of EEG;Background EEG activity; Spike detection;CSA (compressed spectral array)
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 26 Apr 2011 10:22
Last Modified: 26 Apr 2011 10:22
URI: http://eprints.iisc.ac.in/id/eprint/36451

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