Consider three types of waves, we can see a change in alpha and beta waves with a simple test of the eyes is close your eyes, open your eyes, winked, and the change in gamma wave with test status human behavior when the fun is done in this test. However, whether the subject is asleep, eyes closed or opened his eyes, the original EEG signals obtained from the object includes not only the wave of alpha, beta or gamma, but also the kinds of waves listed in Table 1
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