Abstract

The cross-correlation performance between epilepsy electroencephalogram (EEG) signals reflects the status of epilepsy patients which has importance for analyzing long-range correlation of nonstationary signals. For the first time, detrended cross-correlation analysis (DCCA) was applied to analyze the α wave of different physiological and pathological states of epilepsy EEG signals. It were compared the difference of DCCA values between epilepsy patients’ EEG signals and normal subjects’ EEG signals. It was found that the DCCA values of epilepsy patients’ EEG signals increased compared the normal subjects’ EEG signals which can be helpful for medical diagnosis and treatment.

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