Comput Math Methods Med - Higuchi fractal properties of onset epilepsy electroencephalogram.

Tópicos

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Resumo

Epilepsy is a medical term which indicates a common neurological disorder characterized by seizures, because of abnormal neuronal activity. This leads to unconsciousness or even a convulsion. The possible etiologies should be evaluated and treated. Therefore, it is necessary to concentrate not only on finding out efficient treatment methods, but also on developing algorithm to support diagnosis. Currently, there are a number of algorithms, especially nonlinear algorithms. However, those algorithms have some difficulties one of which is the impact of noise on the results. In this paper, in addition to the use of fractal dimension as a principal tool to diagnose epilepsy, the combination between ICA algorithm and averaging filter at the preprocessing step leads to some positive results. The combination which improved the fractal algorithm become robust with noise on EEG signals. As a result, we can see clearly fractal properties in preictal and ictal period so as to epileptic diagnosis.

Resumo Limpo

epilepsi medic term indic common neurolog disord character seizur abnorm neuron activ lead unconsci even convuls possibl etiolog evalu treat therefor necessari concentr find effici treatment method also develop algorithm support diagnosi current number algorithm especi nonlinear algorithm howev algorithm difficulti one impact nois result paper addit use fractal dimens princip tool diagnos epilepsi combin ica algorithm averag filter preprocess step lead posit result combin improv fractal algorithm becom robust nois eeg signal result can see clear fractal properti preictal ictal period epilept diagnosi

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