Mind Monitor

James, thank you,
you helped me a lot!

Thank you VERY VERY VERY much for such detailed reply. I should be expecting a reply: "everything is good" :D All graphs above I was trying to be in meditation state. Recently after hard brain work (in final with a headache) I lay down to measure wave activity and got the following picture...

Thanks for your APP and researches, I've read many articles on how brain works, about wave amplitudes / frequency, DSP and so on. But it is difficult for me to understand all of this and I want to ask more experienced people who are on this forum, What kind of brain activity can be seen on these pic...