Comput Methods Programs Biomed - An algorithm for on-line detection of high frequency oscillations related to epilepsy.

Tópicos

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Resumo

Recent studies suggest that the appearance of signals with high frequency oscillations components in specific regions of the brain is related to the incidence of epilepsy. These oscillations are in general small in amplitude and short in duration, making them difficult to identify. The analysis of these oscillations are particularly important in epilepsy and their study could lead to the development of better medical treatments. Therefore, the development of algorithms for detection of these high frequency oscillations is of great importance. In this work, a new algorithm for automatic detection of high frequency oscillations is presented. This algorithm uses approximate entropy and artificial neural networks to extract features in order to detect and classify high frequency components in electrophysiological signals. In contrast to the existing algorithms, the one proposed here is fast and accurate, and can be implemented on-line, thus reducing the time employed to analyze the experimental electrophysiological signals.

Resumo Limpo

recent studi suggest appear signal high frequenc oscil compon specif region brain relat incid epilepsi oscil general small amplitud short durat make difficult identifi analysi oscil particular import epilepsi studi lead develop better medic treatment therefor develop algorithm detect high frequenc oscil great import work new algorithm automat detect high frequenc oscil present algorithm use approxim entropi artifici neural network extract featur order detect classifi high frequenc compon electrophysiolog signal contrast exist algorithm one propos fast accur can implement onlin thus reduc time employ analyz experiment electrophysiolog signal

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