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A power spectrum based backpropagation artificial neural network model for classification of sleep-wake stages in rats

Sinha, Mr Rakesh Kumar and Agrawal, Mr Navin Kumar and Ray, Dr Amit Kumar (2003) A power spectrum based backpropagation artificial neural network model for classification of sleep-wake stages in rats. [Journal (On-line/Unpaginated)]

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Abstract

Three layered feed-forward backpropagation artificial neural network architecture is designed to classify sleep-wake stages in rats. Continuous three channel polygraphic signals such as electroencephalogram, electrooculogram and electromyogram were recorded from conscious rats for eight hours during day time. Signals were also stored in computer hard disk with the help of analog to digital converter and its compatible data acquisition software. The power spectra (in dB scale) of the digitized signals in three sleep-wake stages were calculated. Selected power spectrum data of all three simultaneously recorded polygraphic signals were used for training the network and to classify slow wave sleep, rapid eye movement sleep and awake stages. The ANN architecture used in present study shows a very good agreement with manual sleep stage scoring with an average of 94.83% for all the 1200 samples tested from SWS, REM and AWA stages. The high performance observed with the system based on ANN highlights the need of this computational tool into the field of sleep research.

Item Type:Journal (On-line/Unpaginated)
Keywords:Artificial neural network, Power spectrum, Sleep-wake states
Subjects:JOURNALS > Online Journal of Health and Allied Sciences
ID Code:3227
Deposited By:Kakkilaya Bevinje, Dr. Srinivas
Deposited On:17 Oct 2003
Last Modified:11 Mar 2011 08:55

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