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Coupled Oscillators - Complex but Not Complicated Cardiovascular and Brain Interactions.

Research output: Contribution to journalJournal article

Published

Journal publication date11/2007
JournalIEEE Engineering in Medicine and Biology Magazine
Journal number6
Volume26
Number of pages5
Pages25-29
Original languageEnglish

Abstract

In coupled nonlinear oscillators approach, the framework that has been used for the studies of cardiovascular and brain oscillations. As background, it describes the human CVS and present results of time-frequency analysis using wavelet transforms of several noninvasive measurements of cardiovascular signals. Studies of neuronal oscillations have been undertaken since the first human electroencephalographic (EEG) recording, and the recent resurgence of interest in neuronal oscillations. It is concluded that interactions occur between the oscillatory processes, both within and between the cardiovascular and the neuronal systems. The strengths and directions of these interactions may be used, in principle, for characterization of the state of the organism as demonstrated here for the case of deep anesthesia.

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