Brain enhancing the frequency of the remote....

The Indian Yogis explain the presence of "Lotus" field(some waves) in and around our head. The whole point of doing yoga is to lift our kundalini from stomach area slowly through the chest, head and then to some feet above our head where the "lotus" exist. I was wondering what is that lotus which exist few feet about each one's head and then I happen to see this video which speaks about our brain controlling some of the waves.... https://www.youtube.com/watch?v=0Uqf71muwWc interesting....isn't it.....