Mind Monitor

Thanks for your reply. OK. I think I understood what is FFT. Maybe if you add a view to PSD on the site, it will be clearer for newbies. IMHO.
Thank you, great work).

I recorded the hour-long data and want to interpret the result correctly. Help me please.
How do I know in what state my brain was?
What is the theoretically ideal graph for the alpha state?
Thank you.
csv format
https://drive.google.com/open?id=0B3ZRC ... mNNaUgtdm8