Identification of biological signal sources for circadian and cardiac cycle rhythms using BP neural networks

Biological oscillatory activity in neural networks has been intensively studied over the past years. Neuronal oscillations are the basis of many different behavioral patterns and sensory mechanism. Understanding the dynamic properties of these mechanisms is useful for analyses of biological function...

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Bibliographic Details
Published in:Kybernetes 2000-01, Vol.29 (9/10), p.1112-1125
Main Authors: Cisse, Y, Kinouch, Y, Nagashino, H, Akutagawa, M
Format: Article
Language:English
Subjects:
Circadian rhythm
Cybernetics
Identification
Medical applications
Neural networks
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Summary:Biological oscillatory activity in neural networks has been intensively studied over the past years. Neuronal oscillations are the basis of many different behavioral patterns and sensory mechanism. Understanding the dynamic properties of these mechanisms is useful for analyses of biological functions and medical diagnoses. The dynamic characteristics of wake-sleep circadian rhythms and ECG's cardiac cycle data measured for normal subjects are identified here, using MA-BP neural network model. It was found that dynamics of regular components can be captured by the model. The captured dynamics are kept in a steady state for some periods. The order of the MA neural network was suppressively controlled by the first 2∼3 orders. Hence it may be useful for medical diagnoses of circadian rhythms and heart related diseases.
ISSN:0368-492X
1758-7883
DOI:10.1108/03684920010342189