According to embodiments of the present invention, a brainwave variation analysis device for diagnosing depression and a method thereof can be configured to acquire brainwave data, detect refined composite multi-scale permutation entropy (RCMPE) indicators based on the brainwave data, and detect brainwave variability for the brainwave data by using the RCMPE indicators.
EEG SIGNAL VARIABILITY ANALYSIS SYSTEM FOR DEPRESSION DIAGNOSIS AND METHOD THEREOF