I am currently doing some research about human emotion based on EEG classification.

I do an experiment in that I show subject a picture about 3 state of emotion and record their EEG signal. I split my experiment into 3 set, each set I change record order (for example: Set 1: emotion 1, 2 ,3 ; Set 2: emotion 2, 3, 1 and Set 3: emotion 3,1,2).

I have a question that at different record time (or at different set) does the EEG signal perform on same task have the same characteristics with order set.?

I have this question because I hear that people always change state of mind at different time.

Thank you very much.


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